User:Abyssal/List of the prehistoric life of Japan
Appearance
This list of the prehistoric life of Alabama contains the various prehistoric life-forms whose fossilized remains have been reported to the Scientific literature from Alabama.
Precambrian
The Paleobiology Database records no known occurrences of Precambrian fossils in Alabama.
Paleozoic
- †Aaptochiton – type locality for genus
- †Aaptochiton pustulosus – type locality for species
- †Abadehella
- †Acanthopecten
- †Acanthopecten coloradoensis – or unidentified comparable form
- †Acanthopecten onukii – type locality for species
- †Acanthopecten onukii
- †Acanthopecten spinosus – type locality for species
- †Acanthopecten spinosus
- †Acanthophillipsia
- †Acanthophillipsia densigranulata – type locality for species
- †Acervoschwagerina – tentative report
- †Acervoschwagerina
- †Acosarina
- †Acosarina circular – or unidentified comparable form
- †Acosarina minuta
- †Acosarina rectimarginata
- †Acratia – tentative report
- †Acratia hamadai – type locality for species
- †Acratia okumurai – type locality for species
- †Acritosia
- †Acritosia ogamensis – type locality for species
- †Acritosia teguliferoides
- †Acrodus – tentative report
- †Acteonina
- †Acteonina koizumii – type locality for species
- †Actinodontophora
- †Actinodontophora katsurensis – or unidentified related form
- †Actinodontophora katsurensis
- †Actinophrentis – tentative report
- †Adrianites
- †Agassizodus
- †Agathammina – tentative report
- †Agathammina
- †Agathiceras – tentative report
- †Agathiceras
- †Agathiceras suessi – or unidentified related form
- †Akasakiella – report made of unidentified related form or using admittedly obsolete nomenclature
- †Akasakiella
- †Akasakiella yabei – type locality for species
- †Akasakiella yabei – or unidentified related form
- †Akasakiella yabei
- †Akiyosiphyllum – tentative report
- †Akiyosiphyllum
- †Aktastioceras
- †Aktastioceras nishikawai – type locality for species
- †Albaillella
- †Albaillella angusta – or unidentified comparable form
- †Albaillella angusta
- †Albaillella asymmetrica – or unidentified related form
- †Albaillella asymmetrica
- †Albaillella bipartitus
- †Albaillella excelsa – or unidentified comparable form
- †Albaillella excelsa
- †Albaillella excelsa-lauta Linage groupinformal
- †Albaillella flexa – or unidentified comparable form
- †Albaillella flexa
- †Albaillella kuwaharai
- †Albaillella lauta
- †Albaillella levis – or unidentified related form
- †Albaillella levis – or unidentified comparable form
- †Albaillella levis
- †Albaillella optima – or unidentified comparable form
- †Albaillella optima
- †Albaillella sinuata – or unidentified comparable form
- †Albaillella sinuata
- †Albaillella triangularis – or unidentified comparable form
- †Albaillella triangularis
- †Alispiriferella
- †Alispiriferella lita – type locality for species
- †Alispiriferella lita
- †Allorhynchus
- †Allorisma – report made of unidentified related form or using admittedly obsolete nomenclature
- †Allotropiophyllum
- †Amandophyllum
- †Amblysiphonella
- †Amblysiphonella hidensis – type locality for species
- †Amphissites
- †Amphissites centronotus
- †Amphissites gifuensis – type locality for species
- †Amplexocarinia
- †Amplexoides
- †Amplexoides chaoi – or unidentified related form
- †Ampulliglabella – type locality for genus
- †Ampulliglabella
- †Ampulliglabella kojimai – type locality for species
- †Ampulliglabella rotunda – type locality for species
- †Ampulliglabella rotunda
- †Amsdenoides
- †Amygdalophylloides
- †Amygdalophylloides gracilis
- †Amygdalophylloides wuwangshie – type locality for species
- †Ananias
- †Ananias shikamai – type locality for species
- †Anematina
- †Anematina parva – type locality for species
- †Anemonaria
- †Anidanthus
- †Anidanthus mizukoshiensis – type locality for species
- †Anidanthus ussuricus – type locality for species
- †Anidanthus ussuricus
- †Annuliconcha
- †Annuliconcha kitakamiensis – type locality for species
- †Annuliconcha kitakamiensis
- †Anomphalus
- †Anomphalus japonicus – type locality for species
- †Apachella
- †Aphelaeceras
- †Aphelaeceras falciferum – or unidentified comparable form
- †Arachnastraea
- †Arachnolasma
- †Arachnolasma cylindricum
- †Arachnolasma ichinotaniense – type locality for species
- †Araeonema
- †Araeonema panthalassica – type locality for species
- †Araxoceras
- †Araxoceras rotoides – or unidentified comparable form
- †Arceodomus
- †Arceodomus japonicum – type locality for species
- †Archaeolithoporella
- †Archaeospongoprunum
- †Arionthia
- †Armenina
- †Artinskia
- †Asamiella – tentative report
- †Asamiella
- †Asamiella japonica – type locality for species
- †Asamiella japonica
- †Asamiella operculum Cinformal
- †Astartella – tentative report
- †Astartella
- †Astartella toyomensis – type locality for species
- †Astartella toyomensis
- †Atrypa
- †Attenuatella
- †Attenuatella bandoi – type locality for species
- †Attenuatella bandoi
- †Aulocystis
- †Aulocystis hitoeganensis – type locality for species
- †Aulopora – tentative report
- †Aulopora
- †Aulopora sorayamaensis – type locality for species
- †Aulopora sorayamaensis
- †Aulosteges
- †Auriculispina
- †Auriculispina kanmerai – type locality for species
- †Aurikirkbya
- †Aurikirkbya formula – type locality for species
- †Aurikirkbya kinshozhanensis – type locality for species
- †Aurikirkbya miyakei – type locality for species
- †Aurikirkbya subkellettae – type locality for species
- †Aviculopecten – tentative report
- †Aviculopecten
- †Aviculopecten hataii – type locality for species
- †Aviculopecten hataii – or unidentified comparable form
- †Aviculopecten hayasakai – type locality for species
- †Aviculopecten hayasakai
- †Aviculopecten onukii – type locality for species
- †Aviculopecten onukii
- †Aviculopecten shiroshitai – type locality for species
- †Aviculopecten shiroshitai – or unidentified comparable form
- †Aviculopinna
- †Bactrites
- †Bairdia
- †Bairdia akasakaensis – type locality for species
- †Bairdia eucurvia – type locality for species
- †Bairdia fujisan – type locality for species
- †Bairdia ikeyai – type locality for species
- †Bairdia minoensis – type locality for species
- †Bairdia nagaiwensis
- †Bairdia nishiwakii – type locality for species
- †Bairdia ogakiensis – type locality for species
- †Bairdia oklahomaensis – or unidentified comparable form
- †Bairdia spindlica – type locality for species
- †Bairdia trianguliformis
- †Bairdiacypris – tentative report
- †Bairdiacypris
- †Bairdiacypris deloi
- †Bairdiacypris hayasakai – type locality for species
- †Baisalina – tentative report
- †Baisalina
- †Bakevellia
- †Bakevellia gujoensis – type locality for species
- †Batostomella – report made of unidentified related form or using admittedly obsolete nomenclature
- †Baylea
- †Beedeina
- †Bellerophon
- †Bellerophon kitakamiensis – type locality for species
- †Bellerophon matsumotoi – type locality for species
- †Bellerophon yabei – type locality for species
- †Bicarina
- †Bicarina onoi – type locality for species
- †Bicoemplectopteris
- †Bitaunioceras
- †Bitaunioceras undulatum – type locality for species
- †Biwaella
- †Blasispirifer
- †Blasispirifer reedi – or unidentified comparable form
- †Blasispirifer reedi
- †Bogoslovskya
- †Bogoslovskya miharanoroensis – type locality for species
- †Bogoslovskya omiensis – type locality for species
- †Bothrophyllum
- †Bothrostegium
- †Boultonia
- †Brachycycloceras
- †Brachythyrina
- †Brachythyrina arctica – or unidentified comparable form
- †Brunsiella – tentative report
- †Brunsiella
- †Bulimorpha
- †Calcitornella – tentative report
- †Calcitornella
- †Calcivertella
- †Callispira
- †Callispirina
- †Callispirina ornata – or unidentified related form
- †Callitomaria
- †Callitomaria stanislavi – or unidentified comparable form
- †Cancellina
- †Cancellina fuwensis
- †Cancellina nipponica
- †Cancellina pamirica – or unidentified comparable form
- †Cancellina postnipponica – type locality for species
- †Cancellina postnipponica
- †Cancellina primigena – or unidentified related form
- †Cancrinella
- †Capillomesolobus
- †Carcinophyllum
- †Cardiella
- †Cartorhium
- †Cathaysiopteris
- †Cathayspirina
- †Cathayspirina magna – type locality for species
- †Cathayspirina magna
- †Cauletella
- †Cauletella manica
- †Cauletella paradoxa
- †Cauletella porosa – or unidentified comparable form
- †Cauletella porosa
- †Cavellina – tentative report
- †Cavellina
- †Cavellina hashimotoi – type locality for species
- †Cavellina nipponica – type locality for species
- †Ceraunocochlis
- †Cerithioides
- †Cerithioides angulatum – type locality for species
- †Cerithiozone – type locality for genus
- †Cerithiozone ornata – type locality for species
- †Chaetetes
- †Chalaroschwagerina
- †Chalaroschwagerina globosa
- †Chalaroschwagerina santyuensis – or unidentified comparable form
- †Chalaroschwagerina vulgaris
- †Chaoiella
- †Chaoiella taiyuanfuensis – type locality for species
- †Chaoiella taiyuanfuensis
- †Cheiropyge
- †Cheiropyge koizumii – type locality for species
- †Chienchangia – tentative report
- †Chilotrypa
- †Chondronia
- †Chondronia hiroshimensis – type locality for species
- †Chonetinella
- †Chonetinella iwakiensis – type locality for species
- †Chonetinella krotovi
- †Chonetinella transversa – type locality for species
- †Chonetinella transversa
- †Chonetinetes
- †Chonetinetes elongates – type locality for species
- †Chonosteges
- †Choristitella
- †Chusenella – tentative report
- †Chusenella
- †Chusenella acris
- †Chusenella atlinensis – or unidentified comparable form
- †Chusenella atlinensis
- †Chusenella atlinesis
- †Chusenella conicocylindrica – or unidentified comparable form
- †Chusenella schwagerinaeformis
- †Chusenella sinensis
- †Cibolites
- †Cibolites uddeni – or unidentified comparable form
- †Cladochonus
- †Cladochonus cylindratus
- †Cladochonus hamadai
- †Cladochonus verrucatus – type locality for species
- †Cladochonus verrucatus
- †Cladodus
- †Clarkina
- †Clausotrypa
- †Cleiothyridina
- †Cleiothyridina hayasakai – type locality for species
- †Cleiothyridina hayasakai
- †Cleiothyridina subexpansa – or unidentified comparable form
- †Climacammina
- †Clisiophyllum
- †Codonofusiella – tentative report
- †Codonofusiella
- †Codonofusiella ashioensis
- †Codonofusiella kwangsiana – or unidentified comparable form
- †Codonofusiella kwangsiana
- †Codonofusiella nabeyamensis
- †Coeloconulus – type locality for genus
- †Coeloconulus panae – type locality for species
- †Coenites
- †Coenites fukujiensis – type locality for species
- †Colaniella
- †Composita
- †Composita jogensis – type locality for species
- †Compressoproductus
- †Compressoproductus mytiloides – or unidentified comparable form
- †Cooperina
- †Cooperina inexpectata
- †Cooperina nipponica – type locality for species
- †Copicyntra
- †Copicyntroides
- †Copiellintra
- †Cordaites
- †Cornuspira – tentative report
- †Cornuspira
- †Corwenia – tentative report
- †Coscinophora
- †Coscinotrypa
- †Coscinotrypa minor – type locality for species
- †Costataenia – type locality for genus
- †Costataenia hayasakai – type locality for species
- †Costatoria
- †Costatumulus
- †Costatumulus tazawai – or unidentified comparable form
- †Costatumulus tazawai
- †Costiferina
- †Costiferina spiralis – or unidentified related form
- †Crassitudochiton – type locality for genus
- †Crassitudochiton plakos – type locality for species
- †Crenispirifer
- †Cribrogenerina – tentative report
- †Crurithyris
- †Cryptoseptida – tentative report
- †Cryptoseptida
- †Cryptospirifer
- †Cyathaxonia
- †Cyclacantharia
- †Cyclolobus
- †Cyclolobus walkeri – or unidentified comparable form
- †Cyrolexis
- †Cyrtonodus
- †Cyrtonodus brevis – type locality for species
- †Cyrtonodus fukujiensis – type locality for species
- †Cyrtonodus nishioi – type locality for species
- †Cyrtorostra
- †Cyrtorostra lunwalensis – or unidentified comparable form
- †Cystauletes
- †Cystauletes kingi – type locality for species
- †Cystiphyllum
- †Dagmarita
- †Darvasites
- †Daviesiella – tentative report
- †Daviesiella comoides – tentative report
- †Dechenella
- †Deckerella
- †Deflandrella
- †Demarezites – tentative report
- †Demarezites
- †Dentalium – report made of unidentified related form or using admittedly obsolete nomenclature
- †Dentalium akasakensis – type locality for species
- †Dentalium neornatum – type locality for species
- †Derbyia – tentative report
- †Derbyia
- †Derbyia acutiplicata – or unidentified comparable form
- †Derbyia altestriata – or unidentified comparable form
- †Derbyia altestriata
- †Derbyia buchi
- †Derbyia crassa
- †Derbyia dorsosulcata
- †Derbyia grandis – or unidentified comparable form
- †Derbyia hemisphaerica
- †Derbyia nipponica – type locality for species
- †Derbyia nipponica
- †Derbyia profunda
- †Derbyia sakamotozawensis – type locality for species
- †Derbyia schellwieni
- †Derbyia yukisawensis
- †Derbyoides
- †Dibunophylloides – tentative report
- †Dibunophylloides
- †Dibunophyllum
- †Dictyoclostus – report made of unidentified related form or using admittedly obsolete nomenclature
- †Dictyotomaria
- †Dicystoconcha
- †Dielasma
- †Diplosphaerina
- †Dolorthoceras
- †Dolorthoceras nakazawai – type locality for species
- †Domatoceras
- †Domatoceras ogatsuense – type locality for species
- †Donezella
- †Dorlodotia
- †Dunbarula – tentative report
- †Dunbarula
- †Durhamina – report made of unidentified related form or using admittedly obsolete nomenclature
- †Durhamina suzukensis – type locality for species
- †Dutkevitchia – tentative report
- †Dyoros
- †Dyscritella
- †Dyscritella shigeyasuensis – type locality for species
- †Dzhulfoceras
- †Dzhulfoceras furnishi – or unidentified comparable form
- †Echigophyllum – tentative report
- †Echigophyllum
- †Echinaria
- †Echinauris
- †Echinoconchus – tentative report
- †Echinoconchus – report made of unidentified related form or using admittedly obsolete nomenclature
- †Echinoconchus defensus – tentative report
- †Echinosteges – tentative report
- †Ectodemites
- †Ectodemites globosa – type locality for species
- †Edmondia
- †Edriosteges
- †Edriosteges multispinosus – or unidentified comparable form
- †Edriosteges poyangensis – or unidentified comparable form
- †Elivella
- †Elivella baschkirica – or unidentified related form
- †Elivina
- †Emilites
- †Emilites prosperus – or unidentified comparable form
- †Endops – type locality for genus
- †Endothyra – tentative report
- †Endothyra
- †Ensipteria – type locality for genus
- †Ensipteria
- †Ensipteria onukii – type locality for species
- †Ensipteria onukii
- †Entactinia
- †Entactinosphaera
- †Entactinosphaera aubouini – type locality for species
- †Entactinosphaera aubouini
- †Entactinosphaera echinata
- †Enteletes
- †Enteletes acutiplicatus – type locality for species
- †Enteletes acutiplicatus
- †Enteletes andrewsi – or unidentified related form
- †Enteletes andrewsi
- †Enteletes costellatus
- †Enteletes gibbosus
- †Eoasianites
- †Eoasianites subhanieli – or unidentified comparable form
- †Eolyttonia
- †Eolyttonia mira
- †Eolyttonia nakazawai – type locality for species
- †Eolyttonia nakazawai – or unidentified comparable form
- †Eoparafusulina
- †Eoparafusulina perplexa – or unidentified related form
- †Eridopora
- †Eridopora luminosa – or unidentified comparable form
- †Eridopora parasitica – or unidentified comparable form
- †Etheripecten – tentative report
- †Etheripecten
- †Euchondria – tentative report
- †Euchondria
- †Euchondria kesenensis – type locality for species
- †Euchondria kesenensis
- †Euconospira
- †Euconospira nipponica – type locality for species
- †Eucycloscala
- †Eugonophyllum
- †Eumedlicottia
- †Eunemopsis – tentative report
- †Euomphalus
- †Euomphalus asanoi – type locality for species
- †Euomphalus nodocarinatus – or unidentified related form
- †Euomphalus uedai – type locality for species
- †Euomphalus uedai
- †Euphemitopsis
- †Euphemitopsis kitakamiensis – type locality for species
- †Euphemitopsis kitakamiensis
- †Fallaxoproductus
- †Fallaxoproductus moribuensis – type locality for species
- †Favosites
- †Fenestella
- †Fenestella macronodata – type locality for species
- †Fenestella otae – type locality for species
- †Filites
- †Filites hashimotoi – type locality for species
- †Fistulipora
- †Fistulipora irimiensis – type locality for species
- †Fistulipora lunatifera – or unidentified related form
- †Fistulipora megastoma – or unidentified comparable form
- †Fistulipora miharanoensis – type locality for species
- †Fistulipora octonaria
- †Fistulipora ozawae – type locality for species
- †Fistulipora pseudolunaris – type locality for species
- †Fistulipora shigeyasuensis – type locality for species
- †Fistulipora volongensis – or unidentified related form
- †Follicucullus
- †Follicucullus bipartitus
- †Follicucullus charveti – or unidentified related form
- †Follicucullus charveti
- †Follicucullus falx
- †Follicucullus furca – type locality for species
- †Follicucullus hamatus
- †Follicucullus japonicus
- †Follicucullus monacanthus
- †Follicucullus orthogonus – or unidentified related form
- †Follicucullus orthogonus
- †Follicucullus scholasticus
- †Fomichevella
- †Foordiceras – tentative report
- †Foordiceras
- †Foordiceras akiyamai – type locality for species
- †Foordiceras wynnei – or unidentified comparable form
- †Foremanhelena
- †Foremanhelena circula – or unidentified comparable form
- †Foremanhelena circula
- †Foremanhelena triangula
- †Frondina – tentative report
- †Frondina
- †Fujispira – type locality for genus
- †Fujispira japonica – type locality for species
- †Fusulinella
- †Geinitzina – tentative report
- †Geinitzina
- †Geisonocerina – tentative report
- †Gemmellaroia
- †Gerkeina – tentative report
- †Gertholites
- †Gertholites haikawai – type locality for species
- †Geyerella
- †Geyerella ofunatoensis – type locality for species
- †Gifuaparchites – type locality for genus
- †Gifuaparchites takagii – type locality for species
- †Gifuchiton – type locality for genus
- †Gifuchiton pentagonus – type locality for species
- †Gifuella
- †Gifuelloides
- †Gigantopteris
- †Girtypecten
- †Girtypecten beipeiensis – or unidentified comparable form
- †Girtyporina
- †Girtyporina applicata – or unidentified comparable form
- †Girtyporina crassa
- †Girtyporina gorjunovae – type locality for species
- †Girtyporina gorjunovae
- †Girvanella – or unidentified related form
- †Girvanella
- †Glabrocingulum
- †Glikmanius
- †Globiella
- †Globiella kamiyassensis – type locality for species
- †Globiella tschernyschewi
- †Globivalvulina
- †Globivalvulina cyprica – or unidentified comparable form
- †Globivalvulina cyprica
- †Glomomidiella – tentative report
- †Glomomidiella
- †Glomospira – tentative report
- †Glomospira
- †Glyptopleura
- †Glyptopleura mugiensis – type locality for species
- †Glyptospira
- †Glyptospira tricostata – or unidentified comparable form
- †Goniarina
- †Goniarina permiana
- †Goniarina subulata – or unidentified comparable form
- †Goniasma – tentative report
- †Goniasma
- †Goniasma fortecarinata – type locality for species
- †Goniasma nodifera – type locality for species
- †Grammatodon
- †Grammatodon obsoletiformis – type locality for species
- †Grammatodon obsoletiformis
- †Grandaurispina
- †Grandaurispina kozlowskiana – or unidentified comparable form
- †Grandaurispina kozlowskiana
- †Gryphochiton
- †Gryphochiton asamiae – type locality for species
- †Guizhoupecten
- †Guizhoupecten miyamoriensis – type locality for species
- †Gujocardita – type locality for genus
- †Gujocardita oviformis – type locality for species
- †Gustefana
- †Gypospirifer
- †Gypospirifer kobiyamai – type locality for species
- †Gypospirifer kobiyamai
- †Haplentactinia – tentative report
- †Hayasakapecten
- †Hayasakapecten minoensis – type locality for species
- †Hayasakapecten reticularis – type locality for species
- †Hayasakapecten sasakii – type locality for species
- †Hayasakapecten sasakii
- †Hayasakapecten shimizui – type locality for species
- †Hayasakapecten shimizui
- †Hayasakapora – type locality for genus
- †Hayasakapora
- †Hayasakapora akiyoshiensis – type locality for species
- †Hayasakapora erectoradiata – type locality for species
- †Hayasakapora erectoradiata – or unidentified comparable form
- †Hayasakapora erectoradiata
- †Hayasakapora isaensis – type locality for species
- †Hayasakapora otai – type locality for species
- †Hayasakapora taishakuensis – type locality for species
- †Hayasakapora yanagidai – type locality for species
- †Hayasakapora yanagidai
- †Haydenella
- †Hegleria
- †Hegleria mammilla – or unidentified comparable form
- †Hegleria mammilla
- †Helicampodus
- †Helicoprion
- †Hemigordiopsis – tentative report
- †Hemigordius – tentative report
- †Hemigordius
- †Heritschioides – report made of unidentified related form or using admittedly obsolete nomenclature
- †Heterocaninia
- †Heterosubulites
- †Heterosubulites fusiformis – type locality for species
- †Hexagonella
- †Hexaphyllia
- †Hexiproductus
- †Hikorocodium
- †Hillaepora
- †Hiroshimaphyllum
- †Hollinella
- †Hollinella elliptica – type locality for species
- †Holmophyllum
- †Horridonia – tentative report
- †Huangia – report made of unidentified related form or using admittedly obsolete nomenclature
- †Huangia
- †Huangia misakensis – type locality for species
- †Hustedia
- †Hustedia culcitula
- †Hustedia grandicosta
- †Hustedia indica
- †Hustedia minuta – type locality for species
- †Hustedia minuta
- †Hustedia ratburiensis – or unidentified related form
- †Hustedia ratburiensis
- †Ibukiphyllum
- †Ichthyofrondina – tentative report
- †Ichthyofrondina
- †Institella
- †Iranophyllum
- †Iranophyllum shirasakiense – type locality for species
- †Ishigaum
- †Ishigaum klaengensis – or unidentified comparable form
- †Ishigaum klaengensis
- †Ishigaum obesum
- †Ishigaum trifustis – or unidentified comparable form
- †Ishigaum trifustis
- †Isogramma
- †Isogramma heritschi – type locality for species
- †Isogramma nakamurai – type locality for species
- †Isogramma nakamurai
- †Isurugiopora
- †Ivanovia
- †Janassa
- †Jilingites
- †Jilingites kesennumensis – type locality for species
- †Jimbokranion – type locality for genus
- †Jimbokranion subovalis – type locality for species
- †Juresania
- †Juresania juresanensis – or unidentified comparable form
- †Juresania juresanensis
- †Kahlerina – tentative report
- †Kahlerina
- †Kahlerina nautiloidea – or unidentified comparable form
- †Kahlerina nautiloidea
- †Kahlerina ussurica
- †Kamurana – tentative report
- †Kamurana
- †Kanashiropora – type locality for genus
- †Kanashiropora kozui – type locality for species
- †Kanokurachonetes – type locality for genus
- †Kanokurachonetes kanokurensis – type locality for species
- †Kashiwara
- †Kashiwara magna – or unidentified related form
- †Kawanamia – type locality for genus
- †Kawanamia onimarensis – type locality for species
- †Kellettina
- †Keyserlingina
- †Kiangsiella
- †Kionophyllum
- †Kirkbya
- †Kirkbya atolla – type locality for species
- †Kirkbya centrotumida – type locality for species
- †Kirkbya magniforma – type locality for species
- †Kirkbya multicresta – type locality for species
- †Kirkbya subnipponica – type locality for species
- †Kirkbya subquadriforma – type locality for species
- †Kitakamichonetes – type locality for genus
- †Kitakamichonetes
- †Kitakamichonetes multicapillatus – type locality for species
- †Kitakamichonetes multicapillatus
- †Knightella
- †Knightella hydrobiformis – type locality for species
- †Kochiproductus
- †Kochiproductus okutadamiensis – type locality for species
- †Koninckophyllum – tentative report
- †Koninckophyllum
- †Kueichouphyllum
- †Kunlunia
- †Kunlunia grabaui – type locality for species
- †Kunlunia grabaui
- †Kutorginella – tentative report
- †Labechiellata
- †Labrocuspis
- †Labrocuspis kobayashii – type locality for species
- †Lamnimargus
- †Lamnimargus japonicus – type locality for species
- †Lamnimargus japonicus
- †Lamnimargus peregrinus
- †Langella
- †Lantschichites
- †Lasiodiscus
- †Latentibifistula
- †Latentifistula
- †Latentifistula similicutis – type locality for species
- †Latentifistula similicutis
- †Laterispina
- †Leioclema
- †Leioclema micropora – type locality for species
- †Leioclema muratae – type locality for species
- †Leioclema nonakae – type locality for species
- †Lepidolina – tentative report
- †Lepidolina
- †Leptochondria – tentative report
- †Leptodesma
- †Leptodus
- †Licharewina
- †Licharewina arakii – type locality for species
- †Licharewina arakii
- †Limipecten
- †Limipecten bandoi – type locality for species
- †Linoproductus
- †Lissochonetes – report made of unidentified related form or using admittedly obsolete nomenclature
- †Lissochonetes
- †Lissochonetes avicula – or unidentified comparable form
- †Lissochonetes bipartita
- †Lissochonetes morahensis
- †Lissodus
- †Lithostrotion
- †Littorinides
- †Littorinides solidum – or unidentified comparable form
- †Lonsdaleia
- †Lonsdaleia duplicata – or unidentified related form
- †Lonsdaleiastraea
- †Lonsdaleiastraea yamanbaensis – type locality for species
- †Lonsdaleoides
- †Lonsdaleoides nishikawai – type locality for species
- †Lopha – tentative report
- †Lopha murakamii – type locality for species
- †Lopha teranosawensis – type locality for species
- †Lopha teranosawensis
- †Lophocarinophyllum
- †Lophocarinophyllum acanthiseptatum – or unidentified related form
- †Lophophyllidium – tentative report
- †Lophophyllidium
- †Lopingoceras
- †Lopingoceras acutanolatum – or unidentified comparable form
- †Lopingoceras hayasakai – type locality for species
- †Loxophragmus
- †Lunucammina – tentative report
- †Lunucammina
- †Lyroschizodus
- †Lyroschizodus tobai – type locality for species
- †Lyroschizodus tobai
- †Lytovophyllum
- †Lytovophyllum tschernowi – or unidentified related form
- †Mackinneyella
- †Mackinneyella ovalifenestrata – type locality for species
- †Maklaya
- †Mandulapora
- †Mandulapora jimboi – type locality for species
- †Marathonites
- †Marathonites jpsmithi – or unidentified comparable form
- †Marginifera – tentative report
- †Martinia
- †Martinia elegans
- †Martinia lata
- †Martinia nipponica – type locality for species
- †Martinia rhomboidalis
- †Martinia rostrata
- †Martinia semiplana
- †Martinia wolfcampensis
- †Martiniopsis
- †Medfrazyga
- †Medfrazyga convexa – type locality for species
- †Medfrazyga rectecostata – type locality for species
- †Meekella
- †Meekella bisculpta
- †Meekella eximia – or unidentified comparable form
- †Meekella garnieri
- †Meekella gigantea – type locality for species
- †Meekella minatoi – type locality for species
- †Meekella minatoi
- †Meekella nagaiwensis
- †Meekella nodosa – type locality for species
- †Meekella nodosa
- †Meekella striatocostata – or unidentified comparable form
- †Meekella striatocostata
- †Meekella uralica
- †Meekopora – tentative report
- †Meekopora fungipora – type locality for species
- †Meekoporella – tentative report
- †Meekoporella
- †Meekoporella akiyoshiensis – type locality for species
- †Meekoporella akiyoshiensis
- †Megaporus
- †Megousia
- †Megousia auriculata – or unidentified comparable form
- †Megousia auriculata
- †Megousia nakamurai – type locality for species
- †Megousia nakamurai
- †Mesofavosites
- †Mesoschubertella
- †Metadoliolina
- †Metapronorites
- †Metapronorites timorensis – or unidentified comparable form
- †Metriolepis
- †Metriolepis kuzuensis – type locality for species
- †Mexicoceras – tentative report
- †Michelinoceras – tentative report
- †Micraphelia
- †Microcheilinella
- †Microcheilinella subovata – type locality for species
- †Microcheilinella tsubogawensis – type locality for species
- †Microcheilinella venusta
- †Minilya
- †Minilya taishakuensis – type locality for species
- †Minilya toriyamae – type locality for species
- †Minojapanella
- †Misellina
- †Misellina claudiae
- †Misellina dyhrenfurthi
- †Misellina olgae
- †Misellina parvicostata – or unidentified comparable form
- †Misellina sphaerica – type locality for species
- †Modiomorpha – tentative report
- †Mongolochonetes
- †Monodiexodina
- †Morozovapora
- †Mourlonia
- †Mourlonia toyomensis – type locality for species
- †Mourlonia toyomensis
- †Multidiscus – tentative report
- †Multidiscus
- †Multithecopora – tentative report
- †Multithecopora
- †Murchisonia
- †Murchisonia kanekoi – type locality for species
- †Myalina
- †Myoconcha – report made of unidentified related form or using admittedly obsolete nomenclature
- †Nagatoella – report made of unidentified related form or using admittedly obsolete nomenclature
- †Nankinella
- †Nankinella akasakensis – type locality for species
- †Nankinella akasakensis
- †Nankinella kawadai
- †Nankinella kuzuensis
- †Nanlingella – tentative report
- †Nanlingella
- †Nanochilina
- †Nanochilina japonica – type locality for species
- †Nanshanophyllum
- †Naticopsis – tentative report
- †Naticopsis
- †Naticopsis fasciata – type locality for species
- †Naticopsis minoensis – type locality for species
- †Naticopsis operculum Ainformal
- †Naticopsis operculum Binformal
- †Naticopsis praealta – or unidentified comparable form
- †Naticopsis tschernyschewi – or unidentified comparable form
- †Naticopsis wakimizui – type locality for species
- †Nazarovella
- †Nazarovella gracilis
- †Nazarovella scalae – type locality for species
- †Nazarovella scalae
- †Neoalbaillella
- †Neoalbaillella gracilis
- †Neoalbaillella grypus
- †Neoalbaillella optima – or unidentified comparable form
- †Neoalbaillella optima
- †Neoalbaillella ornithoformis
- †Neobrachyelasma
- †Neochonetes
- †Neochonetes matsushitai – tentative report
- †Neochonetes matsushitai
- †Neochonetes strophomenoides – or unidentified comparable form
- †Neochonetes substrophomenoides
- †Neochonetes zhongyingensis
- †Neoconularia
- †Neoconularia rectangularis – type locality for species
- †Neoconularia rectangularis
- †Neodiscus – tentative report
- †Neodiscus
- †Neoendothyra
- †Neofusulinella – tentative report
- †Neofusulinella – report made of unidentified related form or using admittedly obsolete nomenclature
- †Neofusulinella
- †Neofusulinella giraudi – or unidentified comparable form
- †Neofusulinella giraudi
- †Neofusulinella phairayensis
- †Neofusulinella praecursor
- †Neogeoceras
- †Neoglaphyrites
- †Neoglaphyrites discoidalis – type locality for species
- †Neogriffithides
- †Neogriffithides imbricatus – type locality for species
- †Neokoninckophyllum
- †Neopetalodus – report made of unidentified related form or using admittedly obsolete nomenclature
- †Neopetalodus
- †Neopopanoceras – tentative report
- †Neoproetus – report made of unidentified related form or using admittedly obsolete nomenclature
- †Neoproetus akagii – type locality for species
- †Neorichthofenia
- †Neoschizodus
- †Neoschizodus kitakamiensis – type locality for species
- †Neoschizodus permicus
- †Neoschwagerina
- †Neoschwagerina colaniae
- †Neoschwagerina craticulifera
- †Neoschwagerina margaritae
- †Neoschwagerina minoensis – tentative report
- †Neoschwagerina minoensis
- †Neoschwagerina simplex – or unidentified comparable form
- †Neoschwagerina simplex
- †Neospirifer
- †Neospirifer fasciger – or unidentified comparable form
- †Nephelophyllum
- †Netschajewia
- †Netschajewia elongata – or unidentified comparable form
- †Nipponaspis – type locality for genus
- †Nipponaspis takaizumii – type locality for species
- †Nipponirhynchia – type locality for genus
- †Nipponirhynchia
- †Nipponirhynchia kamiyassensis – type locality for species
- †Nipponirhynchia shutoi – type locality for species
- †Nipponitella
- †Nipponomaria
- †Nipponomaria yokoyamai – type locality for species
- †Nipponomaria yokoyamai
- †Nodosinelloides – tentative report
- †Nodosinelloides
- †Notothyris
- †Notothyris nucleolus – or unidentified comparable form
- †Nuculites
- †Nuculites ichikawai – type locality for species
- †Nuculopsis – tentative report
- †Nuculopsis
- †Odontopteris
- †Oldhamina
- †Oldhamina anshunensis
- †Oldhamina ehiroi – type locality for species
- †Oldhamina ehiroi
- †Oldhamina kitakamiensis – type locality for species
- †Oldhamina kitakamiensis
- †Oldhamina lianyangensis – or unidentified comparable form
- †Oldhamina squamosa
- †Omiphyllum
- †Omphaloptycha – tentative report
- †Orbiculiforma – tentative report
- †Orbiculoidea
- †Orbiculoidea jangarensis – or unidentified comparable form
- †Orbiculoidea jangarensis
- †Orionastraea – report made of unidentified related form or using admittedly obsolete nomenclature
- †Orionastraea columellaris – or unidentified comparable form
- †Ormistonella
- †Ormistonella adherens – or unidentified comparable form
- †Ormistonella adherens
- †Ormistonella robusta – or unidentified comparable form
- †Ormistonella robusta
- †Orthonema
- †Orthothetina
- †Orthothetina curvata
- †Orthothetina elongata – type locality for species
- †Orthothetina eusarkos
- †Orthothetina frechi
- †Orthothetina hayasakai – type locality for species
- †Orthothetina kayseri
- †Orthothetina planoconvexa – type locality for species
- †Orthothetina polita
- †Orthothetina ruber – or unidentified comparable form
- †Orthothetina transversa – type locality for species
- †Orthothrix
- †Orthotichia
- †Orthotichia derbyi – or unidentified comparable form
- †Orthotichia japonica – type locality for species
- †Orthotichia japonica
- †Orthotichia jiangxiensis
- †Ortonella
- †Ozakiphyllum
- †Pachyfavosites
- †Pachyphloia – tentative report
- †Pachyphloia
- †Paladin – tentative report
- †Palaeofusulina – tentative report
- †Palaeofusulina
- †Palaeoneilo – tentative report
- †Palaeoneilo
- †Palaeonubecularia – tentative report
- †Palaeosmilia
- †Palaeostylus – tentative report
- †Palaeostylus
- †Palaeostylus attenuatus – type locality for species
- †Palaeostylus dussaulti – or unidentified related form
- †Palaeostylus irregularis – type locality for species
- †Palaeostylus lateapicatus – type locality for species
- †Palaeostylus minutus – type locality for species
- †Palaeostylus pupoides
- †Palaeotextularia
- †Pamirina
- †Paracalamites
- †Paraceltites
- †Parachaetetes
- †Parachouteauoceras – type locality for genus
- †Parachouteauoceras – tentative report
- †Parachouteauoceras bingoense – type locality for species
- †Paracolaniella
- †Paraconularia
- †Paracopicyntra
- †Paracopicyntra akikawaensis – or unidentified comparable form
- †Paracopicyntra akikawaensis
- †Paracopicyntra ziyunensis – or unidentified comparable form
- †Paracopicyntra ziyunensis
- †Paracyclas – tentative report
- †Paradoxiella
- †Parafusulina – tentative report
- †Parafusulina
- †Parafusulina gifuensis – or unidentified comparable form
- †Parafusulina japonica
- †Parafusulina kaerimizensis
- †Parafusulina kinosakii
- †Parafusulina nakamigawai
- †Parafusulina parakinosakii
- †Parafusulina shimotsukensis – type locality for species
- †Parafusulina shimotsukensis
- †Parafusulina tochigiensis – or unidentified related form
- †Parafusulina tochigiensis
- †Parafusulina tomeganensis
- †Parafusulina tomowoozawai – type locality for species
- †Parafusulina tomowoozawai
- †Parafusulina yabei
- †Parafusulina yoshiakiozawai – type locality for species
- †Parafusulina yoshiakiozawai
- †Paragastrioceras – tentative report
- †Paraglobivalvulina
- †Paralioclema
- †Parallelodon
- †Parallelodon longus – or unidentified comparable form
- †Parallelodon multistriatus – or unidentified comparable form
- †Parallelodon tenuistriatus – or unidentified comparable form
- †Paralyttonia
- †Paralyttonia kesennumensis – type locality for species
- †Paralyttonia kesennumensis
- †Paraphillipsia – report made of unidentified related form or using admittedly obsolete nomenclature
- †Paraphillipsia
- †Paraphillipsia levigata – type locality for species
- †Paraphillipsia middlemissi – or unidentified related form
- †Pararigbyella
- †Paraschwagerina
- †Parasphenophyllum
- †Paraspiriferina
- †Parastacheoceras – type locality for genus
- †Parastacheoceras bidentatus – type locality for species
- †Parastenopoceras
- †Paratirolites – tentative report
- †Paratirolites
- †Paratrizygia
- †Parawentzelella
- †Paroertlispongus – tentative report
- †Partisania
- †Patella – tentative report
- †Pecopteris
- †Peltichia
- †Peltichia transversa – or unidentified comparable form
- †Peniculauris
- †Penniretepora
- †Penniretepora akagii – type locality for species
- †Penniretepora higashiyamensis – type locality for species
- †Penniretepora irregularis – or unidentified comparable form
- †Penniretepora regularis – type locality for species
- †Permianella
- †Permocerithium – type locality for genus
- †Permocerithium – tentative report
- †Permocerithium nudum – type locality for species
- †Permolioclema
- †Permolioclema akiyoshiensis – type locality for species
- †Permoperna
- †Permoperna trapezoidalis – type locality for species
- †Permoperna trapezoidalis
- †Permophorus
- †Permophorus tenuistriatus – type locality for species
- †Permophricodothyris
- †Permophricodothyris caroli – or unidentified comparable form
- †Permophricodothyris elegantula
- †Permophricodothyris grandis
- †Permophricodothyris indica
- †Permophricodothyris squamularioides
- †Permorthotetes – or unidentified comparable form
- †Permundaria – type locality for genus
- †Permundaria
- †Permundaria asiatica – type locality for species
- †Permundaria asiatica
- †Permundaria tenuistriata – type locality for species
- †Permundaria tenuistriata
- †Pernopecten – tentative report
- †Pernopecten
- †Pernopecten terukoae – type locality for species
- †Perrinites
- †Perrinites vidriensis – or unidentified related form
- †Petalaxis
- †Petalaxis sandoi – type locality for species
- †Petalodus
- †Petasmaia
- †Petrodus – tentative report
- †Petrodus
- †Phestia
- †Phricodothyris – tentative report
- †Phricodothyris
- †Phricodothyris asiatica – or unidentified comparable form
- †Phricodothyris catatona – or unidentified related form
- †Phricodothyris catatona
- †Phricodothyris echinata
- †Phricodothyris kawaiensis – type locality for species
- †Phricodothyris subrostrata – or unidentified comparable form
- †Phymatifer
- †Phymatifer pugiloides – type locality for species
- †Plagioglypta – report made of unidentified related form or using admittedly obsolete nomenclature
- †Plagioglypta
- †Plagioglypta herculea
- †Plagioglypta prisca – or unidentified comparable form
- †Planocoenites
- †Planocoenites ozakii – type locality for species
- †Planocoenites ozakii
- †Platyzona
- †Pleuronautilus
- †Pleuronautilus yahagiensis – type locality for species
- †Plicacerithium – tentative report
- †Plicatomurus
- †Poecilodus
- †Poikilosakos
- †Poikilosakos kamiyassensis – type locality for species
- †Polidevcia – tentative report
- †Polypora
- †Polypora eliasi – type locality for species
- †Polypora fujitae – type locality for species
- †Polytaxis
- †Polytylites
- †Polytylites kitanipponica – type locality for species
- †Porcellia
- †Porcellia puzoidea – type locality for species
- †Posidonia
- †Postendothyra
- †Praemichelinia
- †Praemichelinia lii – type locality for species
- †Prismopora
- †Productus
- †Promytilus
- †Promytilus maiyensis – type locality for species
- †Promytilus maiyensis – tentative report
- †Propinacoceras
- †Propinacoceras galilaei – or unidentified related form
- †Prostacheoceras
- †Protomichelinia
- †Protorcula
- †Protorcula permiana – type locality for species
- †Protoretepora
- †Protoretepora hayasakae – type locality for species
- †Protostylus – tentative report
- †Protostylus
- †Prototoceras
- †Prototoceras japonicum – type locality for species
- †Pseudagathiceras
- †Pseudagathiceras ornatum – type locality for species
- †Pseudamplexus
- †Pseudoactinodontophora – type locality for genus
- †Pseudoactinodontophora yabei – type locality for species
- †Pseudoalbaillella
- †Pseudoalbaillella elegans
- †Pseudoalbaillella fusiformis – or unidentified related form
- †Pseudoalbaillella globosa – or unidentified related form
- †Pseudoalbaillella lomentaria
- †Pseudoalbaillella longicornis – or unidentified related form
- †Pseudoalbaillella longicornis – or unidentified comparable form
- †Pseudoalbaillella sakmarensis
- †Pseudoalbaillella simplex
- †Pseudoalbaillella uforma
- †Pseudobatostomella
- †Pseudobatostomella igoi
- †Pseudobatostomella kuramotoi – type locality for species
- †Pseudochusenella
- †Pseudochusenella cushmaniex gr.
- †Pseudodoliolina
- †Pseudoendothyra – tentative report
- †Pseudoendothyra
- †Pseudofavosites – tentative report
- †Pseudofusulina
- †Pseudofusulina callosa – or unidentified comparable form
- †Pseudofusulina kraffti – or unidentified comparable form
- †Pseudofusulina kraffti
- †Pseudofusulina paratschernyschewi
- †Pseudofusulina vulgaris
- †Pseudogastrioceras
- †Pseudoglomospira
- †Pseudolangella
- †Pseudopavona
- †Pseudopermophorus
- †Pseudopermophorus uedai – type locality for species
- †Pseudopermophorus uedai
- †Pseudophillipsia
- †Pseudophillipsia akasakensis – type locality for species
- †Pseudophillipsia binodosa – type locality for species
- †Pseudophillipsia binodosa – or unidentified comparable form
- †Pseudophillipsia catena – type locality for species
- †Pseudophillipsia hanaokensis – type locality for species
- †Pseudophillipsia intermedia – type locality for species
- †Pseudophillipsia kiriuensis – type locality for species
- †Pseudophillipsia kiriuensis
- †Pseudophillipsia kuzuensis
- †Pseudophillipsia ozawai – type locality for species
- †Pseudophillipsia sasakii – type locality for species
- †Pseudophillipsia simplex – type locality for species
- †Pseudophillipsia simplex – or unidentified comparable form
- †Pseudophillipsia spatulifera – type locality for species
- †Pseudophillipsia spatulifera
- †Pseudophorus
- †Pseudoreichelina
- †Pseudoromingeria
- †Pseudoromingeria onishii – type locality for species
- †Pseudoschwagerina – tentative report
- †Pseudoschwagerina
- †Pseudospongoprunum – tentative report
- †Pseudotimania – tentative report
- †Pseudotormentus
- †Pseudovidalina
- †Pseudozaphrentoides
- †Pseudozaphrentoides pseudoyohi
- †Pseudozaphrentoides regularis – or unidentified comparable form
- †Psygmophyllum
- †Pterospirifer
- †Ptychophyllum
- †Purdonella
- †Purdonella sadai – type locality for species
- †Purdonella sadai
- †Pyramus
- †Pyramus planus – type locality for species
- †Quadricaulis – type locality for genus
- †Quadricaulis
- †Quadricaulis femoris – type locality for species
- †Quadricaulis inflata
- †Quasifusulina – tentative report
- †Quasifusulina
- †Raciditor
- †Raciditor gracilis – or unidentified comparable form
- †Raciditor gracilis
- †Raciditor scalae – or unidentified comparable form
- †Raciditor scalae
- †Raphconila
- †Rauserella – tentative report
- †Rauserella
- †Rectifenestella
- †Rectifenestella retiformis – or unidentified comparable form
- †Reichelina – tentative report
- †Reichelina
- †Reteporidra
- †Reteporidra orientalis – type locality for species
- †Reticulatia
- †Reticulatia donetziana – or unidentified comparable form
- †Retispira – tentative report
- †Retispira
- †Retispira hanzawai – type locality for species
- †Rhabdomeson
- †Rhabdomeson ofukuensis – type locality for species
- †Rhabdomeson yabei – type locality for species
- †Rhipidomella
- †Rhizophyllum
- †Rhombopora
- †Rhynchopora
- †Rhynchopora matsumotoi – type locality for species
- †Richthofenia
- †Roadoceras
- †Robuloides – tentative report
- †Robuloides
- †Romingeria
- †Romingeria cristata – type locality for species
- †Romingeria cristata
- †Romundina
- †Rostranteris
- †Rotodiscoceras
- †Roundyella
- †Roundyella neopapillosa – type locality for species
- †Rugaria
- †Rugaria semicircularis – type locality for species
- †Rugoconcha
- †Rugosochusenella – tentative report
- †Rugosofusulina
- †Sandalodus
- †Sanguinolites – tentative report
- †Sanguinolites
- †Sanguinolites kamiyassensis – type locality for species
- †Scacchinella
- †Scaldia – tentative report
- †Schizodus
- †Schizodus japonicus – type locality for species
- †Schizophorites
- †Schubertella – tentative report
- †Schubertella
- †Schubertella karasawensis
- †Schubertella kingi
- †Schubertella minutisphaera
- †Schubertella ovalis – type locality for species
- †Schubertella ovalis
- †Schubertella silvestrii – or unidentified comparable form
- †Schuchertella
- †Schuchertella beyrichi – or unidentified comparable form
- †Schuchertella semiplana
- †Schwagerina – tentative report
- †Schwagerina
- †Septimyalina
- †Septoglobivalvulina – tentative report
- †Serratodus – tentative report
- †Sestrophyllum
- †Sestrophyllum fedorowskii – type locality for species
- †Shamovella
- †Shansiella – tentative report
- †Shensiphyllum
- †Shikamaia – type locality for genus
- †Shikamaia
- †Shikamaia akasakaensis – type locality for species
- †Shikamaia akasakaensis
- †Shikokuspira – type locality for genus
- †Shikokuspira hamadai – type locality for species
- †Shwedagonia
- †Sichotenella – tentative report
- †Sichotenella
- †Sinopora
- †Sinopora ryozensanensis – type locality for species
- †Siphonodendron
- †Sochkineophyllum
- †Sochkineophyllum shasimotoi – type locality for species
- †Soleniscus
- †Solenomorpha
- †Solenomorpha elegantissima – type locality for species
- †Solenopora
- †Solenospira – report made of unidentified related form or using admittedly obsolete nomenclature
- †Solenospira multicostata – type locality for species
- †Somoholites
- †Somoholites miharanoroensis – type locality for species
- †Sphaerulina – tentative report
- †Sphaerulina
- †Spinobairdia
- †Spinomarginifera
- †Spinomarginifera alpha
- †Spinomarginifera ciliata – or unidentified related form
- †Spinomarginifera kueichowensis – or unidentified related form
- †Spinomarginifera kueichowensis
- †Spinomarginifera lopingensis
- †Spireitlina
- †Spirifer – report made of unidentified related form or using admittedly obsolete nomenclature
- †Spirifer acutiplicatus – type locality for species
- †Spiriferella – tentative report
- †Spiriferella
- †Spiriferellina
- †Spiriferellina cristata
- †Spiriferellina nanbuensis – type locality for species
- †Spiromphalus – type locality for genus
- †Spiromphalus yabei – type locality for species
- †Spiroscala
- †Squamularia
- †Srakaeosphaera
- †Stacheoceras – tentative report
- †Stacheoceras
- †Stacheoceras giganteum – type locality for species
- †Stacheoceras iwaizakense
- †Stacheoceras iwaizakiense
- †Stacheoceras otomoi – type locality for species
- †Staffella – tentative report
- †Staffella
- †Stearoceras
- †Stegocoelia
- †Stegocoelia akasakaensis – type locality for species
- †Stenopora
- †Stenopora toriyamai – type locality for species
- †Stenoscisma
- †Stenoscisma japonica – type locality for species
- †Stenoscisma margaritovi
- †Stephanozyga
- †Stephanozyga nishimurai – type locality for species
- †Stigmosphaerostylus
- †Stigmosphaerostylus itsukaichiensis – or unidentified comparable form
- †Stigmosphaerostylus itsukaichiensis
- †Straparollus
- †Streblascotrypella
- †Streblopteria – tentative report
- †Streblopteria
- †Streblopteria eichwaldi – or unidentified comparable form
- †Streblospira
- †Streblotrypa
- †Streblotrypa amabilis – type locality for species
- †Streblotrypa diaphragma – type locality for species
- †Streblotrypa grossa – type locality for species
- †Streblotrypa grossa
- †Streblotrypa lineata – type locality for species
- †Streblotrypa supergrossa – type locality for species
- †Streblotrypa supergrossa
- †Streblotrypella – tentative report
- †Streptacis – tentative report
- †Streptacis
- †Streptacis orientalis – type locality for species
- †Streptorhynchus
- †Striatopora
- †Striatopora sugiyamai – or unidentified comparable form
- †Striatopora takayamaensis
- †Strobeus
- †Strombodes
- †Strophalosiina
- †Stutchburia – tentative report
- †Sulcoretepora – tentative report
- †Sulcoretepora
- †Sulcoretepora complicata – type locality for species
- †Sulcoretepora nipponica
- †Syringopora
- †Syringoporella
- †Syringoporella yamakoshii – type locality for species
- †Tabulipora
- †Tabulipora maculosa – or unidentified comparable form
- †Tachylasma
- †Taeniopteris
- †Tainoceras
- †Tainoceras abukumaense – type locality for species
- †Tainoceras abukumaense
- †Tainoceras carinatum – type locality for species
- †Tainoceras kitakamiense – type locality for species
- †Tainoceras kitakamiense
- †Taisyakuphyllum
- †Tambanella – type locality for genus
- †Tambanella gujoensis – type locality for species
- †Tangshanella
- †Tangshanella nakakuboensis – type locality for species
- †Terrakea
- †Terrakea japonica – type locality for species
- †Terrakea nabekoshiyamensis – type locality for species
- †Terrakea yanagidai – type locality for species
- †Tethyochonetes
- †Tetragregnon
- †Tetrapaurinella – tentative report
- †Tetraspongodiscus
- †Tetrataxis – tentative report
- †Tetrataxis
- †Thalassoceras – tentative report
- †Thamniscus – tentative report
- †Thamniscus problematicus – type locality for species
- †Thamnopora
- †Thamnopora itoae
- †Thamnopora nicholsoni
- †Thamnopora senzaii – type locality for species
- †Thamnopora senzaii
- †Thamnopora suberidaniensis – type locality for species
- †Thamnoptychia
- †Thamnosia
- †Thamnosia nakadairensis – type locality for species
- †Thamnosia nakadairensis
- †Thysanopeltella
- †Timaniella
- †Timaniella festa – or unidentified comparable form
- †Timorites – tentative report
- †Timorites
- †Timorites intermedium
- †Timorites intermedius
- †Timorites takaizumii – type locality for species
- †Timorites takaizumii
- †Toriyamaia – tentative report
- †Toriyamaia
- †Towapteria
- †Towapteria nipponica – type locality for species
- †Towapteria nipponica – or unidentified comparable form
- †Towapteria nipponica
- †Trachydomia
- †Trachydomia conica – type locality for species
- †Trachydomia nodosa – or unidentified comparable form
- †Trachydomia nodulosum – or unidentified comparable form
- †Trachyspira
- †Trachyspira magna – type locality for species
- †Trachyspira magna
- †Transennatia
- †Transennatia gratiosa
- †Transennatia margaritatus – or unidentified comparable form
- †Triaenosphaera
- †Trilonche
- †Trilonche pseudocimeria – or unidentified comparable form
- †Trilonche pseudocimeria
- †Triplanospongos
- †Triticites – tentative report
- †Trizygia
- †Trochonodus
- †Trochonodus permianus – type locality for species
- †Tropidelasma
- †Tropidelasma curtum
- †Tropidelasma yamasugensis – type locality for species
- †Tropidodiscus
- †Tropidodiscus nakazatensis – type locality for species
- †Trypanocochlea
- †Trypanocochlea parva – type locality for species
- †Tryplasma
- †Tryplasma ozakii – or unidentified related form
- †Tschernyschewia
- †Tuberitina
- †Tylonautilus
- †Tylonautilus permicus – type locality for species
- †Tyloplecta
- †Uncinunellina
- †Uncinunellina hayasakai – type locality for species
- †Uncinunellina shikokuensis – type locality for species
- †Uncinunellina wangenheimi – or unidentified comparable form
- †Urushtenoidea
- †Vacunella – report made of unidentified related form or using admittedly obsolete nomenclature
- †Vacunella
- †Vacunella rostrata – type locality for species
- †Vanganardia
- †Vanganardia ambigua – type locality for species
- †Vebericochlis – tentative report
- †Vebericochlis
- †Vebericochlis mazaevi – type locality for species
- †Vediproductus
- †Vediproductus mugenjin – type locality for species
- †Vediproductus punctatiformis
- †Verbeekiella – tentative report
- †Verbeekina
- †Vervilleina
- †Vescotoceras
- †Waagenella
- †Waagenoceras
- †Waagenoconcha
- †Waagenophyllum – tentative report
- †Waagenophyllum
- †Waagenophyllum akasakense
- †Waagenophyllum akasakensis – or unidentified comparable form
- †Waagenophyllum compactum – type locality for species
- †Waagenophyllum compactum
- †Waagenophyllum okinawense – type locality for species
- †Waagenophyllum pulchrum – or unidentified related form
- †Waagenophyllum virgalense
- †Waagenophyllum yunnanense – type locality for species
- †Wanganella
- †Warthia
- †Wentzelella
- †Wentzelella nabaensis – type locality for species
- †Wentzellophyllum
- †Wentzellophyllum eguchii – type locality for species
- †Wentzellophyllum kinkiense – type locality for species
- †Wentzellophyllum kitakamiense – type locality for species
- †Wentzellophyllum pacificum – type locality for species
- †Wilkingia
- †Worthenia
- †Worthenia corrugata – or unidentified comparable form
- †Worthenia multicarinata – or unidentified related form
- †Wutuella
- †Xenodiscus
- †Xenodiscus carbonarius – or unidentified comparable form
- †Yabeina – tentative report
- †Yabeina
- †Yabeina columbiana
- †Yabeina elongata
- †Yabeina globosa – tentative report
- †Yabeina globosa
- †Yabeina higoensis
- †Yabeina kaizensis
- †Yabeina katoi – tentative report
- †Yabeina katoi
- †Yabeina minuta
- †Yabeina shiraiwensis
- †Yakovlevia
- †Yakunopora – type locality for genus
- †Yakunopora
- †Yakunopora mabutii – type locality for species
- †Yakunopora matsushitai – type locality for species
- †Yangchienia
- †Yatsengia
- †Yatsengia ibukiensis – or unidentified related form
- †Yatsengia kuzuensis
- †Yatsengia suzukii – type locality for species
- †Yochelsonistylus – type locality for genus
- †Yochelsonistylus
- †Yochelsonistylus felixi – type locality for species
- †Yochelsonistylus seussae – type locality for species
- †Yokoyamaella
- †Yokoyamaella tertioseptata – type locality for species
- †Yokoyamaella tertioseptata
- †Yokoyamaella yokoyamai
- †Yuanophyllum – tentative report
- †Yuanophyllum
- †Yuanophyllum pauciseptatum – type locality for species
- †Yujingella
- †Yunnania – tentative report
- †Zaphrentoides
Mesozoic
- †Acaeniotyle
- †Acaeniotylopsis
- †Acanthocircus
- †Acanthocircus inuyamaensis
- †Acanthocircus sp. Ainformal
- †Acanthocircus sp. Binformal
- †Acanthocircus sp. Cinformal
- †Acanthocircus sp. Zinformal
- †Acanthocircus suboblongus – or unidentified related form
- †Acanthocircus suboblongus
- †Acanthocircus trizonalis
- †Acanthocythereis – tentative report
- †Acanthogyra
- †Acanthogyra sp.
- †Acanthogyra tosaensis – type locality for species
- †Acanthogyra tosaensis
- †Acanthosphaera
- †Acastea
- †Acesta
- †Acharax
- †Acharax cretacea
- †Acharax mikasaensis – type locality for species
- †Acila
- †Acila himenourensis
- †Acila hokkaidoensis – or unidentified comparable form
- †Acila hokkaidoensis
- †Acila pusilla
- †Acila shimojimensis
- †Acila sp.
- †Acila tosaensis
- †Acila yoshidai
- †Acirsa
- †Acirsa miyakoensis
- †Acirsa ofunatoensis – type locality for species
- †Acmaea – tentative report
- †Acmaea moshiensis – type locality for species
- †Acmaea moshiensis
- †Aconeceras
- †Acrioceras
- †Acrioceras sp.
- †Acrioceras tabarelli – or unidentified related form
- †Acrocythere – tentative report
- †Acrodus
- †Acrosmilia
- †Acrostichopteris
- †Acrostichopteris sp. 1informal
- †Acrostichopteris sp. 2informal
- †Acrostichopteris sp. 3informal
- †Acteon – tentative report
- †Actinacis – tentative report
- †Actinacis miyakoensis – type locality for species
- †Actinastrea – tentative report
- †Actinastrea
- †Actinastrea kellumi – or unidentified related form
- †Actinastrea sp.
- †Actinoceramus
- †Actinoceramus concentricus – or unidentified comparable form
- †Actinoceramus concentricus
- †Actinomma – tentative report
- †Actinomma
- †Actinomma ishidai – or unidentified comparable form
- †Actinomma ishidai
- †Actinomma matsuokai
- †Actinomma siciliensis – or unidentified related form
- †Actinomma siciliensis
- †Actinomma sp.
- †Actinomma sp. Ainformal
- †Actinomma sp. A2informal
- †Actinomma sp. Binformal
- †Actinomma sp. Cinformal
- †Actinomma tochidaniensis
- †Actinostreon
- †Actinotubella
- †Ademosynoides
- †Ademosynoides japonicus – type locality for species
- †Adiantopteris
- †Adiantopteris sp. 1informal
- †Adiantopteris sp. 2informal
- †Adiozoptyxis
- †Adocus
- †Adocus sengokuensis – type locality for species
- †Adocus sp.
- †Aequipecten – tentative report
- †Afrollonia
- †Afrollonia matsushimensis – type locality for species
- †Agapella – tentative report
- †Agathammina
- †Agnomyax
- †Aguilerella
- †Albaillella
- †Albalophosaurus – type locality for genus
- †Albalophosaurus yamaguchiorum – type locality for species
- †Albanites
- †Alievium – tentative report
- †Alievium
- †Allosaurus
- †Alpinophragmium
- †Amakusatapes
- †Amauropsis
- †Ammobaculites – tentative report
- †Ammobaculites
- †Ammodiscus
- †Ammonidea
- †Amphiastrea
- †Amphiastrea kamoensis – type locality for species
- †Amphiastrea regularis
- †Amphiastrea sp.
- †Amphiastrea yabei – type locality for species
- †Amphiastrea yabei
- †Amphidonte
- †Amphimeandra – tentative report
- †Amphimeandra eguchii – type locality for species
- †Amphipyndax
- †Amuletum
- †Amuria – tentative report
- †Amuria
- †Amygdalum
- †Anagaudryceras
- †Anagaudryceras compressum – type locality for species
- †Anagaudryceras compressum
- †Anagaudryceras inflatus – or unidentified comparable form
- †Anagaudryceras inflatus
- †Anagaudryceras kawanoi – or unidentified comparable form
- †Anagaudryceras limatum – or unidentified comparable form
- †Anagaudryceras limatum
- †Anagaudryceras matsumotoi – type locality for species
- †Anagaudryceras matsumotoi
- †Anagaudryceras sacya
- †Anagaudryceras sp.
- †Anagaudryceras varuna – or unidentified comparable form
- †Anagaudryceras varuna
- †Anagaudryceras yamashitai
- †Anagaudryceras yokoyamai
- †Anagymnites
- †Anagymnites acutus – or unidentified related form
- †Anahamulina
- †Anahamulina sp.
- †Anahamulina subcylindrica – or unidentified related form
- †Anapachydiscus
- †Anasibirites
- †Anasibirites archiperipheras – type locality for species
- †Anasibirites ehimensis – type locality for species
- †Anasibirites intermedius – type locality for species
- †Anasibirites kingianus
- †Anasibirites multiplicatus
- †Anasibirites onoi – type locality for species
- †Anasibirites pacificus – type locality for species
- †Anasibirites shimizui – type locality for species
- †Anasibirites sp. Ainformal
- †Anasibirites sp. Binformal
- †Anasibirites sp. Cinformal
- †Anaticapitula – tentative report
- †Anaticapitula
- †Anglonautilus
- †Anglonautilus japonicus – type locality for species
- †Anglonautilus japonicus
- †Anglonautilus mamiyai – type locality for species
- †Angulobracchia – tentative report
- †Angulobracchia
- †Angulobracchia digitata
- †Angulobracchia sicula
- †Angulobracchia sp.
- †Angulobracchia sp. Ainformal
- †Angulobracchia sp. Binformal
- †Angulobracchia sp. Cinformal
- †Angulobracchia sp. T010informal
- †Anisicyrtis – tentative report
- †Anisicyrtis
- †Anisicyrtis jurassica – or unidentified related form
- †Anisicyrtis jurassica
- †Anisicyrtis perarmatus
- †Anisicyrtis sp.
- †Anisicyrtis sp. Ainformal
- †Anisicyrtis sp. Binformal
- †Anisicyrtis sp. Cinformal
- †Anisicyrtis sp. Dinformal
- †Anisicyrtis sp. Einformal
- †Anisicyrtis sp. Finformal
- †Anisicyrtis sp. Ginformal
- †Anisicyrtis sp. Hinformal
- †Anisicyrtis sp. Iinformal
- †Anisicyrtis sp. Jinformal
- †Anisicyrtis sp. Kinformal
- †Anisicyrtis sp. T015informal
- †Anisicyrtis yaoi
- †Anisocardioides
- †Anisoceras
- †Anisomyon
- †Ankitokazocaris
- †Ankitokazocaris bandoi – type locality for species
- †Annulariopsis
- †Annulariopsis sp. 1informal
- †Annulotriassocampe
- †Annulotriassocampe campanilis – or unidentified comparable form
- †Annulotriassocampe campanilis
- †Anomalochelys – type locality for genus
- †Anomalochelys angulata – type locality for species
- †Anomatodon
- †Anomia – tentative report
- †Anomia
- †Anomozamites
- †Anomozamites sp. 1informal
- †Anthonya
- †Anthonya amakusensis – type locality for species
- †Anthonya amakusensis
- †Anthonya apicalis – or unidentified comparable form
- †Anthonya apicalis
- †Anthonya japonica
- †Anthonya mifunensis
- †Anthonya subcantiana
- †Antiquilima
- †Aokiichthys – type locality for genus
- †Aokiichthys
- †Aokiichthys changae – type locality for species
- †Aokiichthys otai – type locality for species
- †Aokiichthys praedorsalis – type locality for species
- †Aokiichthys sp.
- †Aokiichthys toriyamai – type locality for species
- †Aokiichthys uyenoi – type locality for species
- †Aphrodina
- †Apiotrigonia
- †Aplocoma
- †Aplosmilia – tentative report
- †Aplosmilia somaensis – type locality for species
- †Aplosmilia sp.
- †Aplosmilia tochikuboensis – type locality for species
- †Aquatilavipes
- †Aquatilavipes izumiensis – type locality for species
- †Araucarites
- †Araucarites sp. 1informal
- †Araucarites sp. 2informal
- †Arca
- †Arcanicapsa – tentative report
- †Arcanicapsa
- †Arcanicapsa sp. Ainformal
- †Arcanicapsa sp. A0informal
- †Arcanicapsa sp. Binformal
- †Arcanicapsa sp. Cinformal
- †Arcanicapsa sp. Dinformal
- †Arcanicapsa sp. Einformal
- †Arcanicapsa sp. Finformal
- †Arcanicapsa sp. Hinformal
- †Arcanicapsa sp. H2informal
- †Arcanicapsa sp. Iinformal
- †Arcanicapsa sp. Jinformal
- †Arcanicapsa sp. Kinformal
- †Arcanicapsa sphaerica
- †Archaeocenosphaera – tentative report
- †Archaeocenosphaera
- †Archaeocenosphaera laseekensis
- †Archaeocenosphaera sp.
- †Archaeocenosphaera sp. Ainformal
- †Archaeocenosphaera sp. A0informal
- †Archaeocenosphaera sp. A2informal
- †Archaeocenosphaera sp. Binformal
- †Archaeocenosphaera sp. B0informal
- †Archaeocenosphaera sp. B2informal
- †Archaeocenosphaera sp. Cinformal
- †Archaeocenosphaera sp. C2informal
- †Archaeocenosphaera sp. Dinformal
- †Archaeocenosphaera sp. D2informal
- †Archaeocenosphaera sp. Xinformal
- †Archaeocenosphaera sp. Yinformal
- †Archaeocenosphaera sp. Zinformal
- †Archaeocenosphaera sp. Z0informal
- †Archaeodictyomitra
- †Archaeodictyomitra apiarium
- †Archaeodictyomitra excellens
- †Archaeodictyomitra gifuensis
- †Archaeodictyomitra lamellicostata
- †Archaeodictyomitra minoensis
- †Archaeodictyomitra mitra
- †Archaeodictyomitra munda
- †Archaeodictyomitra riedeli
- †Archaeodictyomitra rigida – or unidentified comparable form
- †Archaeodictyomitra shengi
- †Archaeodictyomitra sp.
- †Archaeodictyomitra sp. Ainformal
- †Archaeodictyomitra sp. Binformal
- †Archaeodictyomitra sp. Cinformal
- †Archaeodictyomitra sp. SY01informal
- †Archaeodictyomitra sp. SY02informal
- †Archaeodictyomitra squinaboli
- †Archaeodictyomitra triplum
- †Archaeodictyomitra tumandae
- †Archaeohagiastrum
- †Archaeopus
- †Archaeosemantis
- †Archaeospongoprunum
- †Archaeospongoprunum bipartitum
- †Archaeospongoprunum cortinaensis
- †Archaeospongoprunum imlayi
- †Archaeospongoprunum klingi
- †Archaeospongoprunum mesotriassicum
- †Archaeospongoprunum praelongum
- †Archaeospongoprunum salumi
- †Archaeospongoprunum sp.
- †Archaeospongoprunum sp. Ainformal
- †Archaeospongoprunum sp. A0informal
- †Archaeospongoprunum sp. A2informal
- †Archaeospongoprunum sp. Binformal
- †Archaeospongoprunum sp. B0informal
- †Archaeospongoprunum sp. B2informal
- †Archaeospongoprunum sp. B3informal
- †Archaeospongoprunum sp. Cinformal
- †Archaeospongoprunum sp. Dinformal
- †Archaeospongoprunum sp. Einformal
- †Archaeospongoprunum tehamaensis
- †Archaeospongoprunum triplum
- †Archaeozostera
- †Archaeozostera longfolia
- †Archaeozostera longifolia – type locality for species
- †Archaeozostera longifolia
- †Archaeozostera minor – type locality for species
- †Archaeozostera minor
- †Archaeozostera pinnata – type locality for species
- †Archaeozostera pinnata
- †Archaeozostera sp.
- †Archaeromma
- †Archaeromma japonicum – type locality for species
- †Archeodictyomitra
- †Archeozostera – type locality for genus
- †Archeozostera
- †Archeozostera lineata – type locality for species
- †Archeozostera lineata
- †Archicapsa – tentative report
- †Archicapsa
- †Archicapsa pachyderma
- †Archicapsa sp.
- †Archicapsa sp. Ainformal
- †Archicapsa sp. Binformal
- †Archicapsa sp. Cinformal
- †Archicapsa sp. C0informal
- †Archicapsa sp. Dinformal
- †Archicapsa sp. Einformal
- †Archimedea
- †Arcomytilus
- †Arcomytilus dairensis
- †Arcomytilus laitmairensis – or unidentified comparable form
- †Arcomytilus laitmairensis
- †Arctacanthus
- †Arctacanthus exiguus – type locality for species
- †Arctacanthus exiguus
- †Arcthoplites
- †Arcticopora
- †Arcticopora kobayashii – type locality for species
- †Arcticopora kobayashii
- †Arctoprionites
- †Arctoprionites minor – type locality for species
- †Arctoprionites nipponicus – type locality for species
- †Arctoprionites yeharai – type locality for species
- †Arctostrea
- †Arculicythere – tentative report
- †Arenovidalina
- †Ares – tentative report
- †Ares
- †Ares armatus
- †Ares cuniculiformis
- †Ares cylindricus
- †Ares sp.
- †Ares sp. Ainformal
- †Ares sp. A02informal
- †Ares sp. Binformal
- †Ares sp. Cinformal
- †Ares sp. Dinformal
- †Argonauticeras
- †Arieticeras
- †Arieticeras pseudocanavarii – or unidentified comparable form
- †Arnautoceltites
- †Arrhoges
- †Arrhoges hayamii – type locality for species
- †Artostrobium – tentative report
- †Artostrobium
- †Asagaolacerta – type locality for genus
- †Asagaolacerta tricuspidens – type locality for species
- †Asianopodus – type locality for genus
- †Asianopodus pulvinicalx – type locality for species
- †Aspenites
- †Astarte – tentative report
- †Astarte
- †Astarte akatsui
- †Astarte costata
- †Astarte defecta
- †Astarte higoensis
- †Astarte iwayai
- †Astarte kambarensis
- †Astarte kumamotoensis
- †Astarte minor
- †Astarte ogawensis
- †Astarte sakamotoensis
- †Astarte semicostata
- †Astarte shimanoensis
- †Astarte shinanoensis
- †Astarte sp.
- †Astarte spitiensis – or unidentified comparable form
- †Astarte subomalioides
- †Astarte subomalioiides
- †Astarte subsenecta
- †Asteracanthus
- †Astrocenturnus
- †Astrocoenia – tentative report
- †Ataphrus
- †Ataphrus desori – or unidentified comparable form
- †Ataphrus nipponicus
- †Ataphrus sp.
- †Ataphrus yokoyamai
- †Ataphrus yokoyomai
- †Atira
- †Atira tricarinata – type locality for species
- †Atira tricarinata
- †Atreta
- †Atrina
- †Aulotortus
- †Aulotortus sinuosusex gr.
- †Austrotindaria
- †Austrotindaria canalensis – or unidentified related form
- †Austrotindaria canalensis
- †Avellana
- †Axiothea
- †Axosmilia
- †Axosmilia hayasakai – type locality for species
- †Axosmilia hideshimaensis – type locality for species
- †Axosmilia renevieri – or unidentified comparable form
- †Baccanella
- †Bacinella
- †Baculites
- †Baculites bailyi – or unidentified comparable form
- †Baculites bailyi
- †Baculites inornatus
- †Baculites sp.
- †Baculites subanceps
- †Baculites yokoyamai – or unidentified comparable form
- †Bacutriletes
- †Bagotum
- †Baiera
- †Baiera sp. 1informal
- †Baiera sp. 2informal
- †Baiera sp. 3informal
- †Baiera sp. 4informal
- †Baiera sp. 5informal
- †Baiera sp. 6informal
- †Baiera sp. 7informal
- †Bakevellia – tentative report
- †Bakevellia – report made of unidentified related form or using admittedly obsolete nomenclature
- †Bakevellia
- †Bakevellia araiensis
- †Bakevellia cassianelloides
- †Bakevellia hekiensis
- †Bakevellia kambei – type locality for species
- †Bakevellia kambei – or unidentified comparable form
- †Bakevellia kambei
- †Bakevellia magnissima
- †Bakevellia matsushitai – or unidentified related form
- †Bakevellia matsushitai
- †Bakevellia monobensis
- †Bakevellia nagatoensis
- †Bakevellia narawarensis
- †Bakevellia negoyensis
- †Bakevellia ohishiensis
- †Bakevellia okuyamensis – or unidentified comparable form
- †Bakevellia okuyamensis
- †Bakevellia ominensis
- †Bakevellia otariensis
- †Bakevellia oyogiensis
- †Bakevellia pseudorostrata
- †Bakevellia rostrata – or unidentified comparable form
- †Bakevellia rostrata
- †Bakevellia saekii
- †Bakevellia shinanoensis
- †Bakevellia sp.
- †Bakevellia subhekiensis
- †Bakevellia tadai
- †Bakevellia trigona
- †Bakevellia tsuzuradaniensis – type locality for species
- †Bakevellia tsuzuradaniensis
- †Balatonites
- †Balatonites oyamai – type locality for species
- †Bantamia – type locality for genus
- †Bantamia hiraigaensis – type locality for species
- †Barbatia
- †Barremites
- †Barremites difficilis – or unidentified related form
- †Barremites sp.
- †Barremites strettostoma – or unidentified related form
- †Barroisiceras
- †Baryphyllia – tentative report
- †Baryphyllia tosaensis – type locality for species
- †Basilemys
- †Bathraspira
- †Bathropyramis
- †Bathyacmaea
- †Bathyacmaea nipponica – or unidentified comparable form
- †Bathysiphon
- †Batissa
- †Bernoullius – tentative report
- †Bernoullius
- †Bernoullius delnortensis
- †Bernoullius dicera
- †Bernoullius furcospinus
- †Bernoullius rectispinus
- †Bernoullius sp.
- †Bernoullius sp. A0informal
- †Bernoullius sp. Cinformal
- †Bernoullius sp. Einformal
- †Betraccium
- †Bicorbula
- †Bipedis – tentative report
- †Bipedis
- †Bipedis acrostylusex gr.
- †Bipedis japonicus – type locality for species
- †Bipedis japonicus
- †Bipedis sp.
- †Bipedis yaoi – type locality for species
- †Bipedis yaoi
- †Biplica
- †Biplica osakensis – type locality for species
- †Biplica sphaerica – type locality for species
- †Bispiranella
- †Bistarkum – tentative report
- †Bistarkum
- †Bistarkum mangartense
- †Bistarkum phantomense
- †Bistarkum rigidium
- †Bistarkum rigidum
- †Bistarkum saginatum
- †Bistarkum sp.
- †Bistarkum sp. A1informal
- †Bistarkum sp. Binformal
- †Bistarkum sp. Cinformal
- †Bistarkum sp. C1informal
- †Bistarkum sp. Dinformal
- †Bistarkum sp. Einformal
- †Boreiospira – tentative report
- †Bositra
- †Bositra japonica
- †Bositra ornati – or unidentified comparable form
- †Bositra sp.
- †Bositra sp. Ainformal
- †Brachidontes
- †Brachyphyllum
- †Brachyphyllum sp. 1informal
- †Brewericeras – tentative report
- †Brisia
- †Broctus
- †Brontiopsis
- †Brotiopsis
- †Brunonia – tentative report
- †Brunonia
- †Brunonia annulata
- †Brunonia sp.
- †Brunonia undulata – type locality for species
- †Burmesia
- †Byakudansauropus – type locality for genus
- †Byakudansauropus shiraminensis – type locality for species
- †Caestocorbula
- †Caestocorbula minima
- †Caestocorbula morinoi
- †Caestocorbula shikamai – or unidentified comparable form
- †Calamophyllia
- †Callianassa
- †Calliomphalus
- †Calliomphalus aptianus – type locality for species
- †Calliostoma – tentative report
- †Calliphylloceras – tentative report
- †Calliphylloceras
- †Callista – tentative report
- †Calycoceras
- †Calycoceras naviculare – or unidentified related form
- †Calycoceras naviculare – or unidentified comparable form
- †Calycoceras orientale – or unidentified comparable form
- †Campilophyllum
- †Campilophyllum sp. 1informal
- †Camptonectes – tentative report
- †Camptonectes
- †Camptonectes auritus – or unidentified comparable form
- †Camptonectes browni – or unidentified related form
- †Camptonectes inexpectatus
- †Camptonectes mimikirensis
- †Camptonectes oishii
- †Camptonectes sp.
- †Camptonectes subflabelliformis
- †Camptonectes torinosuensis
- †Camptonectes triadicus
- †Canadoceras
- †Canadospira
- †Canavaria
- †Canesium
- †Canoptum – tentative report
- †Canoptum
- †Canoptum annulatum – or unidentified comparable form
- †Canoptum anulatum
- †Canoptum artum
- †Canoptum merum
- †Canoptum pessagnoi – or unidentified comparable form
- †Canoptum poissoni – or unidentified comparable form
- †Canoptum poissoni
- †Canoptum rugosum – or unidentified comparable form
- †Canoptum rugosum
- †Canoptum sp.
- †Canoptum sp. Ainformal
- †Canoptum sp. A0informal
- †Canoptum sp. A2informal
- †Canoptum sp. Binformal
- †Canoptum sp. Cinformal
- †Canoptum sp. Dinformal
- †Canoptum sp. Einformal
- †Canoptum sp. Ninformal
- †Canoptum sp. Oinformal
- †Canoptum sp. T024informal
- †Canoptum spinosum
- †Canoptum spp.
- †Canoptum triassicum – or unidentified comparable form
- †Canoptum triassicum
- †Canutus
- †Capnodoce
- †Capnuchosphaera
- †Capnuchosphaera colemani – or unidentified comparable form
- †Capnuchosphaera triassica – or unidentified comparable form
- †Caprina
- †Cardinia
- †Cardinioides
- †Cardium – tentative report
- †Caririchnium
- †Carpolithes
- †Cassianella – tentative report
- †Cassiope
- †Cassiope neumayri
- †Cassiope ogaii – type locality for species
- †Cassiope ogaii
- †Cassiope sp.
- †Cataceramus
- †Caturus
- †Cayeuxia
- †Celyphia
- †Celyphia minima – tentative report
- †Celyphia zoldana
- †Cenosphaera
- †Cenosphaera andoi – type locality for species
- †Cephalotaxopsis
- †Cephalotaxopsis sp. 1informal
- †Ceratosiphon
- †Cercomya
- †Chaetetopsis
- †Chariocrinus
- †Chariocrinus japonicus – type locality for species
- †Charlottea
- †Charlottea hotaoensis
- †Charlottea penderi
- †Charlottea sp.
- †Charlottea sp. Ainformal
- †Charlottea sp. A informal
- †Cheloniceras
- †Cheloniceras minimus – or unidentified related form
- †Cheloniceras parinodum – or unidentified related form
- †Cheloniceras shimizui
- †Cheloniceras sp.
- †Chilodonta
- †Chilodonta antiqua – or unidentified comparable form
- †Chlamys
- †Chlamys awazuensis
- †Chlamys camptonectoides
- †Chlamys iboibo
- †Chlamys kobayashii
- †Chlamys kotakiensis
- †Chlamys kurumensis
- †Chlamys mitaraiensis
- †Chlamys mojsisovicsi
- †Chlamys robinaldina
- †Chlamys shikokuensis
- †Chlamys subacuta – or unidentified comparable form
- †Chlamys textoria
- †Chosia – type locality for genus
- †Chosia yamadai – type locality for species
- †Chuhsiungichthys
- †Chuhsiungichthys sp.
- †Chuhsiungichthys yanagidai – type locality for species
- †Cibicides
- †Cidaris – report made of unidentified related form or using admittedly obsolete nomenclature
- †Cimolithium – tentative report
- †Cimolithium
- †Cinguloturris
- †Cinguloturris carpatica
- †Cinguloturris cylindra
- †Cinguloturris fusiforma – type locality for species
- †Cinguloturris fusiforma
- †Cirsocerithium
- †Citriduma
- †Citriduma hexaptera
- †Citriduma sp.
- †Citriduma sp. Binformal
- †Citriduma sp. Cinformal
- †Cladogirvanella
- †Cladophlebidium
- †Cladophlebidium sp. 1informal
- †Cladophlebis
- †Cladophlebis denticulate
- †Cladophlebis geyleriana
- †Cladophlebis sp.
- †Cladophlebis sp. 1informal
- †Cladophlebis sp. 10informal
- †Cladophlebis sp. 11informal
- †Cladophlebis sp. 12informal
- †Cladophlebis sp. 13informal
- †Cladophlebis sp. 14informal
- †Cladophlebis sp. 2informal
- †Cladophlebis sp. 3informal
- †Cladophlebis sp. 4informal
- †Cladophlebis sp. 5informal
- †Cladophlebis sp. 6informal
- †Cladophlebis sp. 7informal
- †Cladophlebis sp. 8informal
- †Cladophlebis sp. 9informal
- †Claraia
- †Claraia pulchella – type locality for species
- †Claraia pulchella
- †Claraia sp.
- †Claraia sp. ainformal
- †Claraia sp. binformal
- †Clathrocyclas
- †Clathropenna – type locality for genus
- †Clathropenna rugosa – type locality for species
- †Clathropteris
- †Clathropteris sp. 1informal
- †Clathropteris sp. 2informal
- †Clathropteris sp. 3informal
- †Cleoniceras – tentative report
- †Clioscaphites
- †Clisocolus
- †Clisocolus crenulatus
- †Clisocolus japonica
- †Clisocolus odochiensis – type locality for species
- †Clypeina
- †Cnestriella
- †Coelastarte
- †Coeloceras – tentative report
- †Coelopis
- †Coleia
- †Coleia uzume – type locality for species
- †Collignoniceras
- †Collignoniceras woolgari
- †Collignoniceras woollgari – or unidentified comparable form
- †Colombellina
- †Colospongia
- †Columbites
- †Columnocoenia
- †Columnocoenia aokii – type locality for species
- †Columnocoenia nipponica – type locality for species
- †Columnocoenia nipponica – or unidentified related form
- †Columnocoenia nipponica
- †Comalia
- †Confusionella – tentative report
- †Confusionella – report made of unidentified related form or using admittedly obsolete nomenclature
- †Confusionella loczyi – or unidentified related form
- †Confusionella loczyi – or unidentified comparable form
- †Confusiscala
- †Confusiscala dupiniana – or unidentified comparable form
- †Confusiscala novemvaricosa – or unidentified comparable form
- †Coniopteris
- †Conotomaria
- †Conotomaria lima – or unidentified comparable form
- †Conotomaria mailleana – or unidentified comparable form
- †Conotomaria oshimensis – type locality for species
- †Conulariopsis – type locality for genus
- †Conulariopsis quadrata – type locality for species
- †Convexastrea
- †Corbula – tentative report
- †Corbula
- †Corbula globosa
- †Corbula imamurae
- †Corbula matsumotoi – or unidentified related form
- †Cornutella
- †Corum
- †Corymya – tentative report
- †Costatoria
- †Costocyrena
- †Craspedophyllia
- †Craspedophyllia japonica – type locality for species
- †Craspedophyllia japonica
- †Craspedophyllia ramosa
- †Crassatella
- †Crassostrea
- †Crassostrea kawauchidensis – or unidentified related form
- †Crassostrea kawauchidensis
- †Crassostrea ryosekiensis
- †Crassostrea sp.
- †Crassostrea yoshimoensis
- †Crenella
- †Crenotrapezium
- †Crescentiella – report made of unidentified related form or using admittedly obsolete nomenclature
- †Cretapria – type locality for genus
- †Cretapria tsukadai – type locality for species
- †Cretolamna
- †Crioceratites
- †Crittendenia
- †Crittendenia decidens – or unidentified related form
- †Crucella – tentative report
- †Crucella
- †Crucella espartoensis
- †Crucella sp.
- †Crucella sp. Ainformal
- †Crucella sp. Binformal
- †Crucella sp. Cinformal
- †Crucella theokaftensis
- †Cryptocoelia
- †Cryptocoenia
- †Cryptostephanidium
- †Cryptostephanidium japonicum
- †Cryptostephanidium longispinosum
- †Cryptostephanidium sp.
- †Cryptostephanidium sp. Ainformal
- †Cryptostephanidium sp. Binformal
- †Cryptostephanidium sp. Cinformal
- †Cryptostephanidium sp. Dinformal
- †Ctenis
- †Ctenis sp. 1informal
- †Ctenis sp. 2informal
- †Ctenis sp. 3informal
- †Ctenoides
- †Ctenostreon
- †Ctenozamites
- †Ctenozamites sp. 1informal
- †Cucullaea
- †Cucullaea aalensis – or unidentified related form
- †Cucullaea acuticarinata – or unidentified related form
- †Cucullaea acuticarinata
- †Cucullaea amaxensis
- †Cucullaea ezoensis
- †Cucullaea fujii
- †Cucullaea mabuchii
- †Cucullaea obliquata
- †Cucullaea transversa
- †Cucullaea truncata – or unidentified related form
- †Cucurbita
- †Cultellus – tentative report
- †Cuniculiformis – tentative report
- †Cuniculiformis
- †Cunnolites – tentative report
- †Cunnolites japonica – type locality for species
- †Cupressinocladus
- †Cupressinocladus sp. 1informal
- †Cupressinocladus sp. 2informal
- †Cuspidaria – tentative report
- †Cyathophora
- †Cyathophora miyakoensis
- †Cyathophora steinmanni – or unidentified related form
- †Cycadites
- †Cycadites sp. 1informal
- †Cycadocarpidium
- †Cycadocarpidium sp. 1informal
- †Cycadocarpidium sp. 2informal
- †Cycadocarpidium sp. 3informal
- †Cycadocarpidium sp. 4informal
- †Cylichna
- †Cymatoceras
- †Cymatoceras honmai – type locality for species
- †Cymatoceras honmai
- †Cymatoceras mikado – or unidentified related form
- †Cymatoceras neocomiense – or unidentified related form
- †Cymatoceras pacificum – type locality for species
- †Cymatoceras pseudoatlas – type locality for species
- †Cymatoceras pseudoatlas
- †Cymatoceras sakalavum – or unidentified comparable form
- †Cymatoceras sharpei
- †Cymatoceras sp.
- †Cymatoceras virgatum – or unidentified related form
- †Cymbophora – tentative report
- †Cymbophora
- †Cyrtocapsa – tentative report
- †Cyrtocapsa
- †Cyrtocapsa kisoensis – or unidentified related form
- †Cyrtocapsa kisoensis
- †Cyrtocapsa mastoidea
- †Cyrtocapsa sp. Ainformal
- †Cyrtocapsa sp. Binformal
- †Cytherella
- †Cytherella fragilis – or unidentified comparable form
- †Cytherelloidea – tentative report
- †Cytherelloidea
- †Czekanowskia
- †Czekanowskia sp. 1informal
- †Czekanowskia sp. 2informal
- †Czekanowskia sp. 3informal
- †Dactylioceras
- †Dactyliodiscus – tentative report
- †Dactyliodiscus
- †Dactyliodiscus lenticulatus
- †Dactyliodiscus rotundus – type locality for species
- †Dactyliodiscus rotundus
- †Dalmatites
- †Damesites
- †Danubites
- †Danubites ambika – or unidentified related form
- †Danubites sp.
- †Daonella
- †Daonella alta
- †Daonella asymmetrica
- †Daonella densisulcata
- †Daonella hiratai
- †Daonella indica
- †Daonella iwayai
- †Daonella kotoi
- †Daonella multistriata
- †Daonella pectinoides
- †Daonella sakawana
- †Daonella spitiensis – or unidentified comparable form
- †Daonella tenuistriata
- †Daonella yoshimurai
- †Deflandrecyrtium – tentative report
- †Deflandrecyrtium
- †Deflandrecyrtium ithacanthum
- †Deflandrecyrtium sp.
- †Deflandrecyrtium sp. Ainformal
- †Deflandrecyrtium sp. Binformal
- †Dendronella
- †Dentalina
- †Dermosmilia – tentative report
- †Dermosmilia
- †Dermosmilia jezoensis
- †Dermosmilia miyakoensis – type locality for species
- †Dermosmilia nagaoi – type locality for species
- †Dermosmilia nagaoi
- †Dermosmilia trichotoma – type locality for species
- †Dermosmilia trichotoma
- †Desmoceras
- †Desmoceras dawsoni
- †Desmoceras ezoanum
- †Desmoceras japonicum – or unidentified comparable form
- †Desmoceras japonicum
- †Desmoceras kossmanti
- †Desmoceras kossmati
- †Desmoceras latidorsatum
- †Desmoceras poronaicum
- †Desmoceras sp.
- †Desmophyllites
- †Deussenia
- †Deussenia takinoikensis – type locality for species
- †Deviatus
- †Diacanthocapsa
- †Diaulax
- †Diaulax yokoii – type locality for species
- †Diaulax yokoii
- †Diceratigalea
- †Dicerocardium
- †Dicolocapsa
- †Dicolocapsa aquastilla – type locality for species
- †Dicolocapsa sp.
- †Dictyocephalus
- †Dictyocephalus chinzeii – type locality for species
- †Dictyocephalus kamikatsuensis – type locality for species
- †Dictyocephalus sp.
- †Dictyocephalus umenokiensis – type locality for species
- †Dictyomitra
- †Dictyomitrella – tentative report
- †Dictyomitrella
- †Dictyomitrella kamoensis – or unidentified related form
- †Dictyomitrella kamoensis
- †Dictyomitrella sp. Ainformal
- †Dictyomitrella sp. Binformal
- †Dictyomitrella sp. Cinformal
- †Dictyomitrella sp. C
- †Dictyophyllum
- †Dictyophyllum sp. 1informal
- †Dictyophyllum sp. 2informal
- †Dictyophyllum sp. 3informal
- †Dictyophyllum sp. 4informal
- †Dictyozamites
- †Dictyozamites kawasakii
- †Dictyozamites sp. 1informal
- †Dictyozamites sp. 2informal
- †Dictyozamites tedoriensis
- †Didymoceras – tentative report
- †Didymoceras
- †Didymoceras awajiense
- †Didymoceras hidakense – type locality for species
- †Didymoceras hidakense
- †Didymoceras sp.
- †Didymotis
- †Dieneroceras
- †Dimorpharaea – tentative report
- †Dimorpharaea
- †Dimorpharaea japonica – type locality for species
- †Dimorpharaea tosaensis – type locality for species
- †Dimorpharaea tosaensis
- †Dimorphastrea
- †Dimorphastrea mitodaensis – type locality for species
- †Dimorphastrea toucasi – type locality for species
- †Dimorphastrea toucasi
- †Dimorphoseris
- †Dimorphoseris tabayamensis – type locality for species
- †Diplaraea
- †Diplaraea sakamotoensis – type locality for species
- †Diplaraea somaensis – type locality for species
- †Diplaraea tosaensis – type locality for species
- †Diplocoenia
- †Diplocoenia hayasakai – type locality for species
- †Diplocoeniella – tentative report
- †Diplocoeniella shimoheiensis – type locality for species
- †Diplogyra
- †Diplomoceras
- †Diplomoceras cylindraceum
- †Diplomoceras notabile – or unidentified comparable form
- †Diplomoceras notabile
- †Diplomystus
- †Diplomystus altisomus
- †Diplomystus kokuraensis – type locality for species
- †Diplomystus kokuraensis
- †Diplomystus primotinus – type locality for species
- †Diplomystus primotinus
- †Diplomystus sp.
- †Diplopora
- †Discoptychites
- †Discosiphonella
- †Discotectus
- †Distichophyllia
- †Distichophyllia norica – or unidentified comparable form
- †Douvilleiceras
- †Drepanochilus
- †Drepanochilus elegantodigitatus
- †Drepanochilus minimus – type locality for species
- †Drepanochilus sp.
- †Droltus – tentative report
- †Droltus
- †Droltus galerus – type locality for species
- †Droltus laseekensis
- †Droltus lyellensis – or unidentified related form
- †Droltus sanignacioensis
- †Droltus sp.
- †Drymosphaera – tentative report
- †Drymosphaera
- †Drymosphaera sp.
- †Drymosphaera sp. Ainformal
- †Drymosphaera sp. A0informal
- †Drymosphaera sp. A3informal
- †Drymosphaera sp. Binformal
- †Drymosphaera sp. Cinformal
- †Drymosphaera sp. Dinformal
- †Drymosphaera sp. Einformal
- †Drymosphaera sp. Finformal
- †Drymosphaera sp. Ginformal
- †Drymosphaera sp. Hinformal
- †Drymosphaera sp. Iinformal
- †Dumitricaella – tentative report
- †Dumitricaella cucurbitina
- †Dumitricaella sp.
- †Dumitricaella sp. Ainformal
- †Dumitricaella sp. Binformal
- †Dyscritella
- †Dyscritella hidakaensis – type locality for species
- †Dyscritella sp.
- †Eboracia
- †Eboracia nipponensis
- †Eboracia sp.
- †Eboracia sp. 1informal
- †Eburneopecten – tentative report
- †Ectonocorys
- †Elasmosaurus – tentative report
- †Elasmosaurus
- †Elatides
- †Elatides sp. 1informal
- †Elatocladus
- †Elatocladus sp. 1informal
- †Elatocladus sp. 2informal
- †Electroma
- †Elmira
- †Elodium – tentative report
- †Elodium
- †Elysastraea – tentative report
- †Emiluvia – tentative report
- †Emiluvia
- †Emiluvia chica
- †Emiluvia hopsoni
- †Emiluvia lombardensis
- †Emiluvia moresbyensis
- †Emiluvia nana
- †Emiluvia ordinaria
- †Emiluvia orea
- †Emiluvia pessagnoi
- †Emiluvia premyogii
- †Emiluvia salensis – or unidentified related form
- †Emiluvia salensis
- †Emiluvia sedecimporata
- †Emiluvia sp.
- †Emiluvia sp. Binformal
- †Emiluvia sp. B0informal
- †Emiluvia sp. B2informal
- †Emiluvia sp. Cinformal
- †Emiluvia sp. C0informal
- †Emiluvia sp. Finformal
- †Emiluvia sp. Hinformal
- †Emiluvia sp. SY01informal
- †Emiluvia sp. SY02informal
- †Emiluvia sp. SY03informal
- †Emiluvia sp. SY04informal
- †Emiluvia splendida
- †Empirea
- †Enallhelia
- †Enchodus
- †Endiatrachelus
- †Endiatrachelus parallela – or unidentified comparable form
- †Endoa
- †Endoa sp. 1informal
- †Entactinia
- †Entactinia morii – type locality for species
- †Entactinosphaera
- †Entolium – tentative report
- †Entolium
- †Entolium calvum – or unidentified comparable form
- †Entolium disciforme – or unidentified comparable form
- †Entolium discites – or unidentified comparable form
- †Entolium inequivalve
- †Entolium japonicum
- †Entolium kimurai
- †Entolium lunare – or unidentified comparable form
- †Entolium microtis – or unidentified comparable form
- †Entolium obovatum – or unidentified comparable form
- †Entolium obovatum
- †Entolium sanchuense
- †Entolium sanchuensis
- †Entolium ussuricus
- †Entolium yatsujiense
- †Entolium yatsushiroense
- †Entosolenia
- †Eocallista – tentative report
- †Eocylindroteuthis – tentative report
- †Eocylindroteuthis yokoyamai – type locality for species
- †Eodorippe
- †Eodorippe binodosa – type locality for species
- †Eodouvilleiceras
- †Eogunnarites
- †Eohydnophora
- †Eohydnophora picteti – or unidentified related form
- †Eohydnophora picteti – or unidentified comparable form
- †Eohydnophora sanchuensis – type locality for species
- †Eohydnophora sanchuensis
- †Eohydnophora tosaensis
- †Eohydonophora
- †Eohydonophora picteti – or unidentified related form
- †Eomiodon – tentative report
- †Eomiodon
- †Eomunidopsis
- †Eonavicula
- †Eopecten – tentative report
- †Eopecten
- †Eophyllites
- †Eophyllites dieneri – or unidentified comparable form
- †Eophyllites sp.
- †Eospongosaturninus
- †Eospongosaturninus protoformis – or unidentified related form
- †Eospongosaturninus protoformis
- †Eosturia – type locality for genus
- †Eosturia towaensis – type locality for species
- †Eoursivivas
- †Epigymnites
- †Epigymnites jollyanus – or unidentified related form
- †Eptingium
- †Equisetites
- †Equisetites sp. 1informal
- †Equisetites sp. 2informal
- †Equisetites sp. 3informal
- †Equisetites sp. 4informal
- †Equisetites sp. 5informal
- †Equisetites sp. 6informal
- †Equisetites sp. 7informal
- †Equisetites ushimarensis
- †Equisetum
- †Equisetum sp. 1informal
- †Eretmophyllum
- †Eriphyla
- †Eriptycha
- †Eripycha
- †Erlansonisporites
- †Erycites
- †Eryma
- †Eubostrychoceras
- †Eubostrychoceras saxonicum
- †Eubostrychoceras sp.
- †Eubostrychoceras valdelaxum – type locality for species
- †Eubostrychoceras valdelaxum
- †Eucalathis
- †Eucalathis methanophila – type locality for species
- †Eucyclus
- †Eucyrtidiellum – tentative report
- †Eucyrtidiellum
- †Eucyrtidiellum disparileex gr.
- †Eucyrtidiellum disparile
- †Eucyrtidiellum gujoense – or unidentified related form
- †Eucyrtidiellum gujoense
- †Eucyrtidiellum gunenseex gr.
- †Eucyrtidiellum gunense
- †Eucyrtidiellum nagaiae
- †Eucyrtidiellum nodosum
- †Eucyrtidiellum ptyctum
- †Eucyrtidiellum pyramis
- †Eucyrtidiellum quinatum – or unidentified related form
- †Eucyrtidiellum quinatum
- †Eucyrtidiellum sp.
- †Eucyrtidiellum sp. Ainformal
- †Eucyrtidiellum sp. Binformal
- †Eucyrtidiellum sp. Cinformal
- †Eucyrtidiellum sp. Dinformal
- †Eucyrtidiellum sp. Rinformal
- †Eucyrtidiellum sp. Sinformal
- †Eucyrtidiellum sp. SY01informal
- †Eucyrtidiellum sp. Yinformal
- †Eucyrtidiellum unumaense – or unidentified related form
- †Eucyrtidiellum unumaense
- †Eucyrtidium – tentative report
- †Euflemingites
- †Eugyra – tentative report
- †Eugyra
- †Eugyra cotteaui – or unidentified comparable form
- †Eugyra digitata
- †Eugyra magnus – type locality for species
- †Eugyra neocomiensis – or unidentified comparable form
- †Eugyra sp. Ainformal
- †Eugyra sp. Binformal
- †Eugyra sugiyamai – type locality for species
- †Eumorphotis – tentative report
- †Eumorphotis
- †Eumorphotis confertoradiata
- †Eumorphotis iwanowi
- †Eumorphotis laevigata
- †Eumorphotis maritima – or unidentified related form
- †Eumorphotis multiformis – or unidentified related form
- †Eumorphotis multiformis
- †Eumorphotis nakatsukensis
- †Eumorphotis shikokuensis – or unidentified comparable form
- †Eumorphotis shikokuensis
- †Eumorphotis spitzbergensis – or unidentified related form
- †Eumorphotis tenuistriata – or unidentified related form
- †Eupachydiscus
- †Eupachydiscus haradai – or unidentified comparable form
- †Eupachydiscus haradai
- †Eupachydiscus sp.
- †Eurypholis
- †Euspira
- †Eusyringium
- †Eutrephoceras
- †Eutrephoceras nodai – type locality for species
- †Eutrephoceras soyaense – type locality for species
- †Eutrephoceras sp.
- †Eutrephoceras tawaense – type locality for species
- †Ezonuculana
- †Falcimytilus – tentative report
- †Falcimytilus
- †Farcus
- †Farcus graylockensis – or unidentified comparable form
- †Farcus graylockensis
- †Farcus kozuri – or unidentified related form
- †Farcus sp.
- †Farcus sp. Ainformal
- †Farcus sp. B0informal
- †Favia – tentative report
- †Favia
- †Favia haipensis – type locality for species
- †Favia haipensis
- †Favia jezoensis
- †Favia oishii – type locality for species
- †Favia sp.
- †Favites – tentative report
- †Favites taruensis – type locality for species
- †Fenestricardita
- †Ficheuria – tentative report
- †Ficheuria
- †Ficheuria pusilla – type locality for species
- †Ficheuria sp.
- †Filosina
- †Fimbria – tentative report
- †Fimbria
- †Flemingites
- †Flexoptychites
- †Flexoptychites matsushimaensis – type locality for species
- †Fontanelliceras
- †Forbesiceras
- †Forbesiceras beaumontianum – or unidentified related form
- †Forbesiceras sp.
- †Foremanina
- †Forresteria
- †Freiastarte
- †Frenelopsis
- †Frenelopsis sp. 1informal
- †Frenguelliella
- †Fuciniceras
- †Fukuiraptor – type locality for genus
- †Fukuiraptor
- †Fukuiraptor kitadaniensis – type locality for species
- †Fukuiraptor kitadaniensis – or unidentified related form
- †Fukuisaurus – type locality for genus
- †Fukuisaurus tetoriensis – type locality for species
- †Fukuititan – type locality for genus
- †Fukuititan nipponensis – type locality for species
- †Futabasaurus – type locality for genus
- †Futabasaurus suzukii – type locality for species
- †Gablonzeria
- †Gablonzeria major – or unidentified related form
- †Gablonzeria profunda – or unidentified comparable form
- †Galeanella – tentative report
- †Galeanella
- †Garwoodia
- †Gaudryceras
- †Gaudryceras crassicostatum – or unidentified comparable form
- †Gaudryceras denseplicatum – or unidentified comparable form
- †Gaudryceras denseplicatum
- †Gaudryceras hobetsense – type locality for species
- †Gaudryceras hobetsense
- †Gaudryceras intermedium – or unidentified comparable form
- †Gaudryceras izumiense
- †Gaudryceras kayei – or unidentified comparable form
- †Gaudryceras makarovense
- †Gaudryceras seymouriense – or unidentified comparable form
- †Gaudryceras sp.
- †Gaudryceras spp.
- †Gaudryceras striatim – or unidentified comparable form
- †Gaudryceras striatum – or unidentified related form
- †Gaudryceras tenuiliratum – or unidentified comparable form
- †Gaudryceras tenuiliratum
- †Gaudryina
- †Gaudryina triadica – or unidentified comparable form
- †Geinitzia – type locality for genus
- †Geinitzia
- †Geinitzia reticulata – type locality for species
- †Geinitzia sp. 1informal
- †Geratrigonia
- †Gervillaria
- †Gervillia
- †Gervillia forbesiana – or unidentified comparable form
- †Gervillia forbesiana
- †Gervillia hosonaga
- †Gervillia metaforbesiana
- †Gervillia shizukawensis
- †Gervillia sp.
- †Gervillia takiensis
- †Gervillia tatenosawensis
- †Gigantocapulus
- †Gigantoshiraminesauropus – type locality for genus
- †Gigantoshiraminesauropus matsuoi – type locality for species
- †Gigi – tentative report
- †Gigi
- †Gigi fustis – or unidentified related form
- †Gigi fustis
- †Gigi sp.
- †Gigi spp.
- †Ginkgo
- †Ginkgo sp. 1informal
- †Ginkgo sp. 2informal
- †Ginkgoidium
- †Ginkgoidium nathorsti
- †Ginkgoidium sp. 1informal
- †Ginkgoites
- †Girvanella
- †Gleichenites
- †Gleichenites ishikawaensis
- †Gleichenites nipponensis
- †Gleichenites sp.
- †Gleichenites sp. 1informal
- †Gleichenites sp. 2informal
- †Gleichenites sp. 3informal
- †Globocardium
- †Globochaete
- †Globolaxtorum
- †Globularia – tentative report
- †Globularia
- †Globularia cureti – or unidentified related form
- †Globularia izumiensis – type locality for species
- †Globularia izumiensis
- †Globularia neritiformis – type locality for species
- †Globularia sp.
- †Glochiceras
- †Glochiceras nimbatum – or unidentified comparable form
- †Glomospira
- †Glycymeris
- †Glycymeris amakusensis
- †Glycymeris amakusesnsis
- †Glycymeris densilineata
- †Glycymeris goshonouraensis
- †Glycymeris haipensis
- †Glycymeris himenourensis
- †Glycymeris hokkaidoensis – or unidentified related form
- †Glycymeris hokkaidoensis – or unidentified comparable form
- †Glycymeris hokkaidoensis
- †Glycymeris japonica
- †Glycymeris katsurazawensis
- †Glycymeris matsumotoi
- †Glycymeris mifunensis
- †Glycymeris solida
- †Glycymeris sp.
- †Godia
- †Goeppertella
- †Goeppertella sp. 1informal
- †Gongylothorax – tentative report
- †Gongylothorax
- †Goniocora – tentative report
- †Goniomya
- †Gorgansium – tentative report
- †Gorgansium
- †Gorgansium gongyloideum – or unidentified related form
- †Gorgansium gongyloideum – or unidentified comparable form
- †Gorgansium gongyloideum
- †Gorgansium silviesense
- †Gorgansium sp.
- †Gorgansium sp. Ainformal
- †Gorgansium sp. A2informal
- †Gorgansium sp. A3informal
- †Gorgansium sp. Binformal
- †Gorgansium sp. B2informal
- †Gorgansium sp. Cinformal
- †Gorgansium sp. Dinformal
- †Gorgansium sp. D0informal
- †Gorgansium sp. D2informal
- †Gorgansium sp. D3informal
- †Gorgansium sp. SY01informal
- †Gorgansium sp. SY02informal
- †Gorgansium sp. SY03informal
- †Gorgansium sp. SY04informal
- †Gorgansium sp. SY05informal
- †Gorgansium sp. SY06informal
- †Gosaukammerella
- †Goshoraia
- †Grammatodon
- †Grandetortura – tentative report
- †Granocardium
- †Graysonites
- †Gruenewaldia
- †Gruenewaldia decussata
- †Gruenewaldia elegans – or unidentified comparable form
- †Gruenewaldia woehrmanni
- †Gryphaea – tentative report
- †Gryphaeostrea
- †Gryphaeostrea kochiensis – type locality for species
- †Guembelastraea
- †Guembelastraea kanmerae – type locality for species
- †Guexella
- †Gyrodes
- †Gyrodes munitus
- †Gyrodes nagaoi – type locality for species
- †Gyrodes sp.
- †Gyroidina
- †Haboroceras
- †Haeckelicyrtium – tentative report
- †Haeckelicyrtium
- †Hagiastrum – tentative report
- †Hagiastrum
- †Hakusanobaatar – type locality for genus
- †Hakusanobaatar matsuoi – type locality for species
- †Hakusanodon – type locality for genus
- †Hakusanodon archaeus – type locality for species
- †Hakuseps – type locality for genus
- †Hakuseps imberis – type locality for species
- †Halesium
- †Halesium sp. Ainformal
- †Halesium sp. Binformal
- †Haliodictya – tentative report
- †Haliodictya hojnosi
- †Haliodictya sp. SY01informal
- †Haliodictya sp. SY02informal
- †Haliomma – tentative report
- †Haliomma
- †Haliomma sp. Ainformal
- †Haliomma sp. Binformal
- †Haliomma sp. B2informal
- †Haliomma sp. Cinformal
- †Haliomma sp. C0informal
- †Haliomma sp. C2informal
- †Haliomma sp. Dinformal
- †Haliomma sp. D2informal
- †Haliomma sp. D3informal
- †Haliomma sp. Einformal
- †Haliomma sp. E2informal
- †Haliomma sp. Finformal
- †Haliomma sp. Ginformal
- †Haliomma sp. Hinformal
- †Haliomma sp. Iinformal
- †Haliomma sp. I0informal
- †Haliomma sp. Jinformal
- †Haliomma sp. J0informal
- †Haliomma sp. J2informal
- †Haliomma sp. JYinformal
- †Haliomma sp. JZinformal
- †Haliomma sp. Kinformal
- †Haliomma sp. Linformal
- †Haliomma sp. L0informal
- †Haliomma sp. Minformal
- †Haliomma sp. M2informal
- †Haliomma sp. Ninformal
- †Haliomma sp. Oinformal
- †Haliomma sp. Pinformal
- †Haliomma sp. Qinformal
- †Haliomma sp. Rinformal
- †Haliomma sp. T023informal
- †Halobia
- †Halobia alta
- †Halobia aotii
- †Halobia atsuensis
- †Halobia austriaca – or unidentified comparable form
- †Halobia disperseinsecta – or unidentified related form
- †Halobia fallax – or unidentified related form
- †Halobia kashiwaiensis
- †Halobia kawadai
- †Halobia longissima
- †Halobia molukkana
- †Halobia multilineata
- †Halobia obruchevi – or unidentified comparable form
- †Halobia obsoleta
- †Halobia ornatissima
- †Halobia sedaka
- †Halobia styriaca
- †Halobia subsedaka
- †Halobia superbescens – or unidentified related form
- †Halobia talauana – or unidentified comparable form
- †Hamites
- †Hamites sp.
- †Hamites sp. Binformal
- †Hamiticeras – tentative report
- †Hanaibursa
- †Hanaispira
- †Haplaraea – tentative report
- †Haplophragmoides
- †Harpoceras
- †Harpoceras chrysanthemum
- †Harpoceras inouyei
- †Harpoceras mulgravium – or unidentified comparable form
- †Harpoceras nagatoensis
- †Harpoceras okadai
- †Harpoceras sp.
- †Hausmannia
- †Hausmannia sp. 1informal
- †Hausmannia sp. 2informal
- †Hausmannia sp. 3informal
- †Hayamia
- †Hayamina
- †Hedbergella
- †Hedstroemia
- †Hegleria
- †Heliocoenia
- †Heliosestrum – tentative report
- †Hellenites
- †Helvetocapsa
- †Helvetocapsa minoensis – type locality for species
- †Helvetocapsa minoensis
- †Helvetocapsa nanjoensis – type locality for species
- †Helvetocapsa nanjoensis
- †Helvetocapsa plicata – type locality for species
- †Helvetocapsa plicata
- †Hemiaster
- †Hemicryptocapsa
- †Hemilecanites
- †Heminautilus
- †Heminautilus japonicus – type locality for species
- †Heminautilus japonicus
- †Heminautilus tyosiensis – type locality for species
- †Heminautilus tyosiensis
- †Hemiprionites
- †Hemiprionites katoi
- †Hemiprionites kuharanus
- †Hemiprionites morianus
- †Hemiprionites sawatanus – or unidentified related form
- †Hemiprionites sawatanus
- †Hemiprionites shikokuensis
- †Hemiprionites sp.
- †Hemiprionites tahoensis
- †Hepaticites
- †Hepaticites sp. 1informal
- †Heptacladus
- †Heptacladus crassispinus – or unidentified comparable form
- †Heteroceras – tentative report
- †Heteroceras
- †Heterocoenia
- †Heterocoenia densa
- †Heterocoenia explanata
- †Heterocoenia hideshimaensis – or unidentified related form
- †Heterocoenia hideshimaensis
- †Heterocoenia ishidai – or unidentified comparable form
- †Heterocoenia mojiensis
- †Heterocoenia sp.
- †Heterocoenia tetraseptata – type locality for species
- †Heteroptychodus
- †Hexalonche – tentative report
- †Hexalonche
- †Hexalonche sp.
- †Hexalonche sp. Ainformal
- †Hexalonche sp. A0informal
- †Hexalonche sp. Binformal
- †Hexalonche sp. B0informal
- †Hexalonche sp. B2informal
- †Hexalonche sp. Cinformal
- †Hexalonche sp. C2informal
- †Hexalonche sp. Dinformal
- †Hexalonche sp. D2informal
- †Hexalonche sp. Einformal
- †Hexalonche sp. Finformal
- †Hexalonche sp. Ginformal
- †Hexalonche sp. Hinformal
- †Hexalonche sp. Iinformal
- †Hexalonche sp. Jinformal
- †Hexalonche sp. SY01informal
- †Hexalonche sp. SY02informal
- †Hexalonche sp. SY03informal
- †Hexalonche sp. SY04informal
- †Hexalonche sp. T02informal
- †Hexalonche sp. Zinformal
- †Hexanchus
- †Hexasaturnalis – tentative report
- †Hexasaturnalis
- †Hexasaturnalis hexagonus – or unidentified related form
- †Hexasaturnalis hexagonus
- †Hexasaturnalis octopus
- †Hexasaturnalis sp.informal
- †Hexasaturnalis sp.
- †Hexasaturnalis suboblongus
- †Hexasaturnalis tetraspinus – or unidentified related form
- †Hexasaturnalis tetraspinus
- †Hexastylus – tentative report
- †Higumastra – tentative report
- †Higumastra
- †Higumastra gratiosa
- †Higumastra hilara – or unidentified related form
- †Higumastra hilara
- †Higumastra laxa
- †Higumastra lupheri
- †Higumastra sp.
- †Higumastra sp. Binformal
- †Higumastra sp. B0informal
- †Higumastra sp. Cinformal
- †Higumastra sp. Dinformal
- †Higumastra sp. Einformal
- †Higumastra sp. Ginformal
- †Higumastra sp. T016informal
- †Higumastra spp.
- †Higumastra wintereriinformal
- †Higumastra wintereri
- †Hilarisirex
- †Hilarisirex quadrangularis
- †Hilarisirex sp.
- †Hilarisirex sp. Ainformal
- †Hilarisirex sp. Binformal
- †Hildoceras
- †Hindeodus
- †Hindeodus parvus – or unidentified comparable form
- †Hindeodus sp. Ainformal
- †Hindeodus sp. Binformal
- †Hindeosphaera
- †Hindeosphaera spinulosa – or unidentified comparable form
- †Hindeosphaera spinulosa
- †Hinedorcus
- †Hinedorcus holdsworthi – type locality for species
- †Hiscocapsa
- †Holcophylloceras
- †Holocrinus
- †Holocryptocanium
- †Holocryptocanium barbui – or unidentified related form
- †Holocryptocanium barbui
- †Holocryptocanium geysersense
- †Homalopoma
- †Homoeoparonaella – tentative report
- †Homoeoparonaella
- †Homoeoparonaella argolidensis – or unidentified related form
- †Homoeoparonaella argolidensis
- †Homoeoparonaella elegans – or unidentified related form
- †Homoeoparonaella elegans
- †Homoeoparonaella reciproca
- †Homoeoparonaella sp.
- †Homoeoparonaella sp. Ainformal
- †Homoeoparonaella sp. A1informal
- †Homoeoparonaella sp. Iinformal
- †Homolopsis
- †Homomya – tentative report
- †Homomya
- †Hoplitoplacenticeras
- †Hoplitoplacenticeras fugen – type locality for species
- †Hoplitoplacenticeras monju
- †Hoploparia
- †Hoyenella
- †Hozmadia – tentative report
- †Hozmadia
- †Hozmadia gifuensis
- †Hozmadia ozawai – type locality for species
- †Hozmadia ozawai
- †Hozmadia sp.
- †Hsuum – tentative report
- †Hsuum
- †Hsuum acutum
- †Hsuum altile – type locality for species
- †Hsuum altile
- †Hsuum arabicum
- †Hsuum busuangaense
- †Hsuum exiguum
- †Hsuum gratum
- †Hsuum lucidum
- †Hsuum matsuokai – or unidentified related form
- †Hsuum matsuokai
- †Hsuum maxwelli
- †Hsuum medium – or unidentified related form
- †Hsuum medium – or unidentified comparable form
- †Hsuum medium
- †Hsuum mirabundum – or unidentified comparable form
- †Hsuum philippinense
- †Hsuum plectocostatum
- †Hsuum primum
- †Hsuum sp.
- †Hsuum sp. αinformal
- †Hsuum sp. βinformal
- †Hsuum sp. 1informal
- †Hsuum sp. Ainformal
- †Hsuum sp. A0informal
- †Hsuum sp. A2informal
- †Hsuum sp. Binformal
- †Hsuum sp. B0informal
- †Hsuum sp. B01informal
- †Hsuum sp. Cinformal
- †Hsuum sp. D0informal
- †Hsuum sp. D2informal
- †Hsuum sp. Einformal
- †Hsuum sp. E0informal
- †Hsuum sp. Finformal
- †Hsuum sp. Ginformal
- †Hsuum sp. Hinformal
- †Hsuum sp. Iinformal
- †Hsuum sp. SY01informal
- †Hsuum sp. SY02informal
- †Hsuum sp. T028informal
- †Hsuum sp. Xinformal
- †Hsuum sp. Yinformal
- †Hungarites
- †Hungarites nipponicus – type locality for species
- †Hybodus
- †Hydrania
- †Hypacanthoplites
- †Hyphantoceras
- †Hyphantoceras orientale – or unidentified comparable form
- †Hyphantoceras orientale
- †Hyphantoceras oshimai
- †Hyphantoceras ryu – or unidentified comparable form
- †Hyphantoceras sp.
- †Hypophylloceras
- †Iberopora
- †Ibotrigonia
- †Inoceramus – tentative report
- †Inoceramus – report made of unidentified related form or using admittedly obsolete nomenclature
- †Inoceramus
- †Inoceramus amakusensis – or unidentified comparable form
- †Inoceramus amakusensis
- †Inoceramus anakusensis – or unidentified comparable form
- †Inoceramus anakusensis
- †Inoceramus anglicus – or unidentified comparable form
- †Inoceramus anglicus
- †Inoceramus angulosus
- †Inoceramus awajiensis
- †Inoceramus balticus
- †Inoceramus crippsi – or unidentified related form
- †Inoceramus elegans
- †Inoceramus ezoensis – or unidentified comparable form
- †Inoceramus ezoensis
- †Inoceramus fukadae
- †Inoceramus furukawensis
- †Inoceramus galoi – or unidentified related form
- †Inoceramus ginterensis – or unidentified related form
- †Inoceramus ginterensis
- †Inoceramus goldfussianus
- †Inoceramus hamadae
- †Inoceramus hashiurensis
- †Inoceramus hetonaianus
- †Inoceramus higoensis
- †Inoceramus hobetsensis – or unidentified related form
- †Inoceramus hobetsensis – or unidentified comparable form
- †Inoceramus hobetsensis
- †Inoceramus iburiensis – or unidentified comparable form
- †Inoceramus iburiensis
- †Inoceramus incertus – or unidentified comparable form
- †Inoceramus incertus
- †Inoceramus japonicus
- †Inoceramus karakuwensis
- †Inoceramus kudoi
- †Inoceramus kusiroensis
- †Inoceramus maedae
- †Inoceramus mihoensis
- †Inoceramus morii
- †Inoceramus naganoensis
- †Inoceramus nagaoi
- †Inoceramus naumanni
- †Inoceramus ogurai
- †Inoceramus orientalis
- †Inoceramus pedalionoides – or unidentified comparable form
- †Inoceramus pedalionoides
- †Inoceramus pennatulusex gr.
- †Inoceramus pennatulus
- †Inoceramus reduncus – or unidentified comparable form
- †Inoceramus rhomboides – or unidentified related form
- †Inoceramus schmidti
- †Inoceramus shikotanensis
- †Inoceramus sp.
- †Inoceramus spp.
- †Inoceramus tenuistriatus
- †Inoceramus teraokai
- †Inoceramus teshioensis – or unidentified comparable form
- †Inoceramus teshioensis
- †Inoceramus utanoensis
- †Inoceramus vanuxemiformis – or unidentified comparable form
- †Inoceramus virgatus
- †Inoceramus yabei
- †Inoceramus yokoyamai
- †Inoceramus yuasai
- †Inoperna
- †Integricardium – tentative report
- †Integricardium
- †Ipsvicioides – type locality for genus
- †Ipsvicioides minimus – type locality for species
- †Isastrea – tentative report
- †Isastrea – report made of unidentified related form or using admittedly obsolete nomenclature
- †Isastrea
- †Isastrea kosodeensis – type locality for species
- †Isastrea matumotoi
- †Isastrea sp.
- †Isastrea sp. Ainformal
- †Isastrea sp. Binformal
- †Isastrea sugiyamai – type locality for species
- †Isastrea taruensis – type locality for species
- †Isastrea yuraensis – type locality for species
- †Ischyrhiza
- †Ischyrhiza iwakiensis – type locality for species
- †Isculitoides
- †Isculitoides originis – or unidentified related form
- †Isnella – tentative report
- †Isocrinus
- †Isocrinus hanaii – type locality for species
- †Isocrinus neocomiensis – or unidentified comparable form
- †Isocyprina
- †Isodomella
- †Isognomon
- †Itsukisauropus – type locality for genus
- †Itsukisauropus izumiensis – type locality for species
- †Izumia
- †Izumicardia
- †Jablonskyia
- †Japonisaturnalis
- †Japonites – report made of unidentified related form or using admittedly obsolete nomenclature
- †Japonites dieneri – or unidentified comparable form
- †Japonocapsa – tentative report
- †Japonocapsa
- †Japonocapsa fusiformis – or unidentified related form
- †Japonocapsa fusiformis
- †Jimboiceras
- †Jimboiceras mihoense – or unidentified related form
- †Juvenites
- †Kabylites – tentative report
- †Kaganaias – type locality for genus
- †Kaganaias
- †Kaganaias hakusanensis – type locality for species
- †Kaganaias hakusanensis
- †Kagapsychops – type locality for genus
- †Kagapsychops aranea – type locality for species
- †Kappachelys – type locality for genus
- †Kappachelys okurai – type locality for species
- †Katroma – tentative report
- †Katroma
- †Katroma angusta
- †Katroma bicornus – or unidentified comparable form
- †Katroma bicornus
- †Katroma brevitubus
- †Katroma clara – or unidentified comparable form
- †Katroma clara
- †Katroma kurusuense
- †Katroma sp.
- †Katroma sp. Ninformal
- †Kayentapus
- †Kayentapus otariensis – type locality for species
- †Kellnerites
- †Keriophyllia
- †Khvalynites
- †Khytrastrea
- †Khytrastrea ominensis – type locality for species
- †Khytrastrea ominensis
- †Kilinora – tentative report
- †Kitakamicaris – type locality for genus
- †Kitakamicaris
- †Kitakamicaris utatsuensis – type locality for species
- †Kitakamicaris utatsuensis
- †Kobayashites
- †Kobya
- †Kobya ragaensis – type locality for species
- †Kobya ragaensis
- †Kobya shiriyaensis – type locality for species
- †Koshisaurus – type locality for genus
- †Koshisaurus katsuyama – type locality for species
- †Koskinobullina – tentative report
- †Koskinobullina
- †Kourisodon
- †Kummelonautilus
- †Kummelonautilus kamuy – type locality for species
- †Kummelonautilus kamuy
- †Kummelonautilus yamashitai – type locality for species
- †Kummelonautilus yamashitai
- †Kummelonautilus yezoensis – type locality for species
- †Kummelonautilus yezoensis
- †Kuroyuriella – type locality for genus
- †Kuroyuriella mikikoi – type locality for species
- †Kuwajimalla – type locality for genus
- †Kuwajimalla kagaensis – type locality for species
- †Kuwajimasauropus – type locality for genus
- †Kuwajimasauropus shireminensis – type locality for species
- †Kyushutrigonia – type locality for genus
- †Kyushutrigonia
- †Kyushutrigonia hachibarensis – type locality for species
- †Kyushutrigonia hachibarensis
- †Ladinella
- †Laevicardium – tentative report
- †Lantus
- †Latiphyllia
- †Latiphyllia ragaensis – type locality for species
- †Latiphyllia sp.
- †Latitrigonia
- †Latomeandra – tentative report
- †Latomeandra
- †Latomeandra mitodaensis – type locality for species
- †Latomeandra ramosa – type locality for species
- †Latomeandra ramosa
- †Latomeandra somaensis – type locality for species
- †Latomeandra sp.
- †Latomeandra tosaensis – type locality for species
- †Latusastrea
- †Lauranthus – type locality for genus
- †Lauranthus futabensis – type locality for species
- †Laxtorum – tentative report
- †Laxtorum
- †Laxtorum hichisoense
- †Laxtorum jurassicum
- †Laxtorum sp.
- †Laxtorum sp. Ainformal
- †Laxtorum sp. A0informal
- †Laxtorum sp. Binformal
- †Laxtorum sp. Cinformal
- †Laxtorum sp. Dinformal
- †Laxtorum sp. T008informal
- †Laxtorum sp. T019informal
- †Laxuscingula – tentative report
- †Leadagmara – type locality for genus
- †Leadagmara gracilispina – type locality for species
- †Lecompteus
- †Lecompteus guerangeri – or unidentified comparable form
- †Leioclema
- †Leioclema sp.
- †Leioclema sugiyama – type locality for species
- †Leiophyllites – tentative report
- †Leiophyllites
- †Leiophyllites pitamaha – or unidentified comparable form
- †Leiophyllites pradyumna – or unidentified related form
- †Leiophyllites sp.
- †Leiophyllites wakoi – type locality for species
- †Lenticulina
- †Lepidotes
- †Lepidotes macropterus – type locality for species
- †Lepidotes sp.
- †Leptochondria – tentative report
- †Leptochondria
- †Leptochondria bittneri – or unidentified comparable form
- †Leptochondria hataii – type locality for species
- †Leptochondria hataii
- †Leptochondria minima – or unidentified related form
- †Leptochondria minima
- †Leptochondria okuyamensis
- †Leptochondria sp.
- †Leptochondria virgalensis – or unidentified related form
- †Leptolepis – tentative report
- †Leptosolen
- †Leptostrobus
- †Leptostrobus sp. 1informal
- †Lima – report made of unidentified related form or using admittedly obsolete nomenclature
- †Limatula – tentative report
- †Limatula
- †Limatula akiyamae
- †Limatula asoensis
- †Limatula ishidoensis
- †Limatula iwayae
- †Limatula nagaoi
- †Limatula reticulata
- †Limatula sp.
- †Limatula tombeckiana – or unidentified comparable form
- †Limopsis
- †Linaresia – tentative report
- †Linaresia
- †Linearis
- †Linearis cancerata
- †Linearis nankaiana – or unidentified related form
- †Linearis ovaloida
- †Lingularia
- †Linotrigonia
- †Linuparus
- †Linuparus japonicus – or unidentified related form
- †Lioceratoides
- †Liostrea
- †Liostrea shiraiwensis
- †Liostrea stoliczkai – or unidentified comparable form
- †Liostrea toyorensis
- †Lissochilus
- †Lissochilus hanaii – type locality for species
- †Lissodus
- †Lithatractus
- †Lithocampe
- †Lithocampe manifesta
- †Lithocampe mediocrys – or unidentified comparable form
- †Lithocampe sp.
- †Lithocampe wharanui
- †Lithocodium
- †Lithostrobus
- †Lithothamnion – tentative report
- †Lithothamnion
- †Livarella
- †Lobatannularia
- †Lobatannularia sp. 1informal
- †Loopus
- †Lopha
- †Lopha marshii – or unidentified comparable form
- †Lopha nagaoi
- †Lopha sazanami
- †Lopha sp.
- †Loxo
- †Lucina – tentative report
- †Luciniola
- †Lucinoma – tentative report
- †Lucinoma
- †Ludbrookia
- †Ludbrookia tenuicosta – or unidentified comparable form
- †Luisogalathea
- †Lycettia
- †Lycettia lanceolata – or unidentified comparable form
- †Lycettia sp.
- †Lysis
- †Lysis izumiensis – type locality for species
- †Lytoceras
- †Lytoceras ezoense
- †Lytoceras sp. Ainformal
- †Lytocrioceras – tentative report
- †Maeandrella – tentative report
- †Maeandrella
- †Maeandrella haipensis – type locality for species
- †Maeandrella haipensis
- †Malletia
- †Mantelliceras
- †Mantelliceras cantianum
- †Mantelliceras saxbii – or unidentified comparable form
- †Marattia
- †Marattia sp. 1informal
- †Marattiopsis
- †Marattiopsis sp. 1informal
- †Margarites
- †Margarites funiculatus – tentative report
- †Margarites sp.
- †Margarophyllia
- †Margarophyllia stylophylloides – or unidentified related form
- †Margarophyllia stylophylloides – or unidentified comparable form
- †Margarosmilia
- †Margarosmilia mizukamia – type locality for species
- †Mariella
- †Mariella dorsetensis
- †Mariella oeherti
- †Mariella oehlerti – or unidentified comparable form
- †Mariella sp.
- †Marshallites
- †Matonidium
- †Matonidium sp. 1informal
- †Matsumotoa
- †Meandraraea – tentative report
- †Meandraraea
- †Meandraraea hiraigaensis – type locality for species
- †Meandraraea hiraigaensis
- †Meandraraea mitodaensis – type locality for species
- †Meandraraea miyakoensis – type locality for species
- †Meandraraea nipponica – type locality for species
- †Meandraraea somaensis – type locality for species
- †Meandraraea sp.
- †Meandrophyllia
- †Meandrophyllia meandriformis – type locality for species
- †Meandrophyllia meandriformis – or unidentified comparable form
- †Meandrophyllia meandroides – type locality for species
- †Meandrophyllia meandroides – or unidentified comparable form
- †Meandrophyllia meandroides
- †Meandrophyllia steini – type locality for species
- †Meekia
- †Meekoceras
- †Meekoceras japonicum
- †Meekoceras orientale
- †Meekoceras sp.
- †Meekoceras sp. Ainformal
- †Meekoceras sp. Binformal
- †Melanoides
- †Meleagrinella
- †Menephiloides – type locality for genus
- †Menephiloides minensis – type locality for species
- †Menuites
- †Menuites naumanni
- †Menuites sanadai – type locality for species
- †Menuites sanadai
- †Menuites sp.
- †Mesocallista
- †Mesochione
- †Mesodermochelys – type locality for genus
- †Mesodermochelys
- †Mesodermochelys undulatus – type locality for species
- †Mesodermochelys undulatus
- †Mesolinga
- †Mesomiltha – tentative report
- †Mesoneritina – tentative report
- †Mesopuziosa
- †Mesopuzosia
- †Mesopuzosia densicostata
- †Mesopuzosia indopacifica – or unidentified comparable form
- †Mesopuzosia pacifica
- †Mesopuzosia sp.
- †Mesopuzosia yubarensis
- †Mesosaccella
- †Mesovallupus
- †Metadagnoceras
- †Metadagnoceras motoyoshiense – type locality for species
- †Metadagnoceras sp.
- †Metahomola
- †Metahomola brevis – type locality for species
- †Metahomola brevis
- †Metaplacenticeras
- †Metriomphalus
- †Metriomphalus coquandi – or unidentified related form
- †Metriomphalus nagasakiensis
- †Micromelania – tentative report
- †Micromelania
- †Micronectes
- †Microsolena
- †Microsolena japonica – type locality for species
- †Microsolena subexcavata – type locality for species
- †Microsolena yabei – type locality for species
- †Microtrigonia
- †Microtubus
- †Mictyoditra
- †Mictyoditra decora – or unidentified related form
- †Mictyoditra decora
- †Miliolipora
- †Milleporidium
- †Miltha
- †Minepharus
- †Minetrigonia
- †Minocapsa – tentative report
- †Minocapsa
- †Minocapsa cylindrica – type locality for species
- †Minocapsa cylindrica
- †Minocapsa globosa – type locality for species
- †Minocapsa globosa
- †Minocapsa megaglobosa – type locality for species
- †Minocapsa megaglobosa
- †Minocapsa sp.
- †Miogaudryceras
- †Mirifusus
- †Mirifusus chenodes
- †Mirifusus dianae
- †Mirifusus fragilis
- †Mirifusus guadalupensis – or unidentified comparable form
- †Mirifusus praeguadalupensis
- †Mirifusus proavus – or unidentified related form
- †Mirifusus proavus
- †Mirifusus sp.
- †Mirifusus sp. Cinformal
- †Mirifusus sp. T011informal
- †Misikella
- †Mita
- †Mita regina
- †Mita sp. Ainformal
- †Mita sp. A0informal
- †Mita sp. Binformal
- †Mita sp. T029informal
- †Mitrodendron
- †Modiolus
- †Modiolus bakevelloides
- †Modiolus bipartitus – or unidentified comparable form
- †Modiolus ezoensis
- †Modiolus falcatus
- †Modiolus maedae
- †Modiolus magatama
- †Modiolus nagatoensis
- †Modiolus okubatensis
- †Modiolus paronaiformis
- †Modiolus shimonadensis
- †Modiolus sp.
- †Modiolus subsimplex – or unidentified related form
- †Molaspora
- †Monjurosuchus
- †Monophyllites
- †Monophyllites wengensis – or unidentified comparable form
- †Monophyllites wengensis
- †Monotis
- †Montastrea
- †Montastrea nagaoi – type locality for species
- †Montastrea orbitoides – type locality for species
- †Montastrea orbitoides
- †Montirictus – type locality for genus
- †Montirictus kuwajimaensis – type locality for species
- †Montlivaltia – tentative report
- †Montlivaltia
- †Montlivaltia mitodaensis – type locality for species
- †Montlivaltia sp.
- †Montlivaltia timorica – or unidentified comparable form
- †Montlivaltia todanaensis – type locality for species
- †Montlivaltia xainzaensis – or unidentified comparable form
- †Morewites – type locality for genus
- †Morewites sakakibarai – type locality for species
- †Morphastrea
- †Morphastrea pseudominima – type locality for species
- †Morphastrea pseudominima
- †Mortoniceras
- †Mortoniceras rostratum – or unidentified comparable form
- †Mortoniceras sp.
- †Mosasaurus
- †Mosasaurus sp.
- †Mosasaurus sp. Binformal
- †Muelleritortis
- †Muelleritortis noblis – or unidentified comparable form
- †Muranella
- †Murania – tentative report
- †Myoconcha
- †Myopholas
- †Myopholas acuticostata – or unidentified comparable form
- †Myopholas sp.
- †Myophorella
- †Myophorella crenulata
- †Myophorella dekaiboda
- †Myophorella gracilenta
- †Myophorella hashimotoi
- †Myophorella hidensis
- †Myophorella imamurai
- †Myophorella kappazakensis
- †Myophorella magawensis
- †Myophorella obsoleta
- †Myophorella ohmachii
- †Myophorella orientalis
- †Myophorella pulex
- †Myophorella sigmoidalis
- †Myophorella subcircularis
- †Myophorella sugayensis
- †Myophorella toyamensis
- †Myophoria – report made of unidentified related form or using admittedly obsolete nomenclature
- †Myophoria
- †Myophoria intermedia – or unidentified comparable form
- †Myophoria sp.
- †Myrene
- †Myriophyllia
- †Myrtea
- †Myrtea amalloi
- †Myrtea angularis
- †Myrtea ezoensis – or unidentified comparable form
- †Myrtea ezoensis
- †Myrtea sp.
- †Mysidioptera
- †Mytiloceramus
- †Mytiloceramus lucifer – or unidentified comparable form
- †Mytiloides
- †Mytiloides ipuanus
- †Mytiloides labiatus – or unidentified comparable form
- †Mytiloides stantoni – or unidentified comparable form
- †Mytiloides stantoni
- †Mytiloides striatoconcentricus – or unidentified related form
- †Mytiloides terakoi
- †Mytiloperna
- †Mytilus
- †Nabolella – tentative report
- †Nabolella sp.informal
- †Naefia
- †Nagaoella
- †Nagdongia
- †Nageiopsis
- †Nageiopsis sp. 1informal
- †Nageiopsis sp. 2informal
- †Nakamuranaia – report made of unidentified related form or using admittedly obsolete nomenclature
- †Nakamuranaia
- †Nakamuranaia chingshanensis – or unidentified comparable form
- †Nakamuranaia chingshanensis
- †Nanogyra
- †Nanonavis
- †Napora – tentative report
- †Napora
- †Napora bona
- †Napora bukryi
- †Napora cerromesaensis
- †Napora deweveri
- †Napora latissima
- †Napora mitrata
- †Napora nipponica – or unidentified comparable form
- †Napora nipponica
- †Napora parva
- †Napora pyramidalis
- †Napora relica
- †Napora saginata
- †Napora sp.informal
- †Napora sp.
- †Napora sp. Ainformal
- †Napora sp. Binformal
- †Napora sp. B2informal
- †Napora sp. Cinformal
- †Napora sp. Dinformal
- †Napora sp. D0informal
- †Napora sp. D2informal
- †Napora sp. Einformal
- †Napora sp. Finformal
- †Napora sp. F2informal
- †Napora sp. Ginformal
- †Napora sp. Hinformal
- †Napora sp. Iinformal
- †Napora sp. Jinformal
- †Napora sp. Kinformal
- †Napora sp. Sy01informal
- †Napora sp. T009informal
- †Napora sp. T022informal
- †Napora sp. T032informal
- †Napora spp.
- †Napora wakitai
- †Naropa
- †Natica
- †Naticopsis
- †Natoba
- †Necrocarcinus
- †Nefocoenia
- †Nefocoenia favosites – or unidentified comparable form
- †Neithea – tentative report
- †Neithea
- †Nekewis
- †Nemegtosaurus – or unidentified comparable form
- †Nemocardium
- †Nemodon
- †Neoburmesia
- †Neocalamites
- †Neocalamites sp. 1informal
- †Neocalamites sp. 2informal
- †Neocolumbites
- †Neocrassina
- †Neocrassina subdepressa – or unidentified comparable form
- †Neocrioceras
- †Neocrioceras dentatum – type locality for species
- †Neogondolella
- †Neohibolites
- †Neomiodon – tentative report
- †Neophylloceras
- †Neophylloceras hetonaiense
- †Neophylloceras mikobokense – or unidentified related form
- †Neophylloceras nera – or unidentified comparable form
- †Neophylloceras ramosum
- †Neophylloceras sp. – tentative report
- †Neophylloceras sp.
- †Neophylloceras subramosum
- †Neopuzosia
- †Neoschizodus – tentative report
- †Neoschizodus
- †Neozamites
- †Neridomus
- †Neridomus dolichostoma – or unidentified comparable form
- †Nerinea
- †Nerineopsis
- †Nerinoides – tentative report
- †Neritopsis
- †Neritopsis sp.
- †Neritopsis tanohatensis – type locality for species
- †Neritopsis tanohatensis
- †Nigeria
- †Nilsonia
- †Nippanoptilophyllum
- †Nippanoptilophyllum sp. 1informal
- †Nipponamia – type locality for genus
- †Nipponamia satoi – type locality for species
- †Nipponicorbula
- †Nipponites
- †Nipponitrigonia
- †Nipponitys – type locality for genus
- †Nipponitys
- †Nipponitys acutangularis – type locality for species
- †Nipponitys acutangularis
- †Nipponitys inouei – type locality for species
- †Nipponitys magna – or unidentified comparable form
- †Nipponoblatta – type locality for genus
- †Nipponoblatta suzugaminae – type locality for species
- †Nipponohagla – type locality for genus
- †Nipponohagla kaga – type locality for species
- †Nippononaia
- †Nippononectes
- †Nipponophycus
- †Nipponoridium
- †Nipponoridium matsuoi – type locality for species
- †Nipponoteuthis – type locality for genus
- †Nipponoteuthis katana – type locality for species
- †Nipponothracia
- †Nipponothracia ponbetsensis – or unidentified comparable form
- †Nipponothracia ponbetsensis
- †Nipponothracia yezoensis
- †Nippontrigonia
- †Nododelphinula
- †Nododelphinula hiraigensis – type locality for species
- †Nodosaria
- †Nordophiceratoides
- †Noritus – tentative report
- †Noritus
- †Nostoceras – tentative report
- †Nostoceras
- †Nostoceras hetonaiense – or unidentified comparable form
- †Nostoceras hetonaiense
- †Nostoceras sp.
- †Notidanodon
- †Notidanoton
- †Notopocorystes
- †Notorhynchus
- †Novixitus
- †Novodiacanthocapsa
- †Nucinella
- †Nucula – tentative report
- †Nucula
- †Nucula amanoi
- †Nucula azenotanensis
- †Nucula formosa
- †Nucula iwayai
- †Nucula izumensis
- †Nucula kochiensis
- †Nucula nakaminatoensis
- †Nucula pectinata – or unidentified related form
- †Nucula shichiensis
- †Nuculana
- †Nuculana erinoensis
- †Nuculana excavata – or unidentified related form
- †Nuculana konishii
- †Nuculana minutula
- †Nuculana nogamii
- †Nuculana sambonsugii
- †Nuculana sanchuensis
- †Nuculana sp.
- †Nuculana stenodolichos
- †Nuculana toriyamae
- †Nuculana yatsushiroensis
- †Nuculopsis
- †Obesacapsula
- †Ochetoceras
- †Ochetoceras irregulare – or unidentified comparable form
- †Ochetoceras sp.
- †Odontaspis
- †Oertlispongus
- †Oertlispongus inaequispinosus – or unidentified comparable form
- †Ogilvinella
- †Ogilvinella tosaensis – type locality for species
- †Olenekoceras
- †Olenekoceras middendorffi – or unidentified comparable form
- †Onkospira
- †Onkospira haipensis – type locality for species
- †Onychiopis
- †Onychiopsis
- †Onychiopsis elongata
- †Onychiopsis sp. 1informal
- †Oolina
- †Ooliticia
- †Ophiceras – report made of unidentified related form or using admittedly obsolete nomenclature
- †Ophthalmidium
- †Opis
- †Orbiculiforma – tentative report
- †Orbiculiforma
- †Orbiculiforma kanayamaensis
- †Orbiculiforma monticelloensis
- †Orbiculiforma plana – type locality for species
- †Orbiculiforma plana
- †Orbiculiforma quadrata
- †Orbiculiforma renillaeformis
- †Orbiculiforma sakaii
- †Orbiculiforma sp.
- †Orbiculiforma sp. Ainformal
- †Orbiculiforma sp. A0informal
- †Orbiculiforma sp. A02informal
- †Orbiculiforma sp. A2informal
- †Orbiculiforma sp. A3informal
- †Orbiculiforma sp. A4informal
- †Orbiculiforma sp. A5informal
- †Orbiculiforma sp. A6informal
- †Orbiculiforma sp. Binformal
- †Orbiculiforma sp. B0informal
- †Orbiculiforma sp. B2informal
- †Orbiculiforma sp. Dinformal
- †Orbiculiformella
- †Orbiculoidea
- †Orbiculoidea sibirica – or unidentified comparable form
- †Orbiculoidea sp.
- †Orbitolina
- †Orthacanthus
- †Orthophlebia
- †Orthophlebia haradai – type locality for species
- †Orthotrigonia – tentative report
- †Osmundopsis
- †Osmundopsis distans
- †Osmundopsis sp. 1informal
- †Ostenocaris
- †Ostrea – tentative report
- †Ostrea – report made of unidentified related form or using admittedly obsolete nomenclature
- †Ostrea
- †Ostrea cunabula – or unidentified related form
- †Ostrea sp.
- †Ostringoceras
- †Ostringoceras bechii – or unidentified comparable form
- †Otapiria
- †Otoscaphites
- †Otoscaphites klamathensis
- †Otoscaphites matsumotoi
- †Otoscaphites perrini – or unidentified comparable form
- †Otoscaphites perrini
- †Otoscaphites puerculus
- †Otostoma
- †Otostoma japonicum – or unidentified comparable form
- †Otostoma japonicum
- †Otozamites
- †Otozamites sp.
- †Otozamites sp. 1informal
- †Otozamites sp. 2informal
- †Otozamites sp. 3informal
- †Otozamites sp. 4informal
- †Ovalastrea – tentative report
- †Ovalastrea
- †Owenites
- †Oxybeloceras
- †Oxybeloceras humei – or unidentified related form
- †Oxytoma – tentative report
- †Oxytoma
- †Oxytoma atsuensis
- †Oxytoma cygnipes – or unidentified comparable form
- †Oxytoma dieneri
- †Oxytoma inequivalvis
- †Oxytoma kashiwaiensis
- †Oxytoma kobayashii
- †Oxytoma mojsisovicsi
- †Oxytoma multistriata
- †Oxytoma tetoriense
- †Oxytoma tetoriensis
- †Ozodochilus
- †Ozodochilus cossmanni – type locality for species
- †Pachydesmoceras
- †Pachydesmoceras denisonianum – tentative report
- †Pachydesmoceras sp.
- †Pachydiscus – tentative report
- †Pachydiscus
- †Pachydiscus awajiensis – type locality for species
- †Pachydiscus awajiensis – or unidentified related form
- †Pachydiscus awajiensis – or unidentified comparable form
- †Pachydiscus excelsus
- †Pachydiscus flexuosus
- †Pachydiscus sp.
- †Pachydiscus subcompressus – or unidentified related form
- †Pachygenys
- †Pachygenys adachii – type locality for species
- †Pachymya
- †Pachyoncus
- †Pachyoncus sp.informal
- †Pachypteris
- †Pachypteris sp. 1informal
- †Paki
- †Palaega
- †Palaelophacmaea
- †Palaeocardita
- †Palaeolituonella
- †Palaeolituonella meridionalis – or unidentified comparable form
- †Palaeolituonella meridionalis
- †Palaeoneilo
- †Palaeoneilo elliptica – or unidentified comparable form
- †Palaeoneilo fujinohira
- †Palaeoneilo iwaiensis
- †Palaeoneilo oviformis – or unidentified comparable form
- †Palaeoneilo sakuradaniensis
- †Palaeoneilo sp.
- †Palaeoneilo sp. alphainformal
- †Palaeoneilo sp. deltainformal
- †Palaeoneilo sp. gammainformal
- †Palaeoneilo telliniformis
- †Palaeonucula
- †Palaeonucula expansa – or unidentified related form
- †Palaeonucula ishidoensis
- †Palaeonucula makitoensis
- †Palaeopharus
- †Palaeosaturnalis
- †Palaeosaturnalis fluegeli – or unidentified comparable form
- †Palaeosaturnalis karnicus – or unidentified related form
- †Palaeosaturnalis prinevillensis – or unidentified related form
- †Palaeosaturnalis sp.
- †Palaeosaturnalis sp. Dinformal
- †Paleolituonella
- †Palinandromeda – tentative report
- †Palinandromeda
- †Palinandromeda depressa – or unidentified related form
- †Palinandromeda podbielensis
- †Palinandromeda praepodbielensis
- †Palinandromeda sognoensis
- †Palinandromeda songoensis
- †Palinandromeda sp.informal
- †Palinandromeda sp.
- †Palinandromeda sp. Binformal
- †Palinandromeda sp. Cinformal
- †Palinandromeda sp. Dinformal
- †Palinandromeda sp. Einformal
- †Palinandromeda sp. Ginformal
- †Palinandromeda sp. Yinformal
- †Palinandromeda sp. Zinformal
- †Palinandromeda spongoensis
- †Palmula
- †Panopea
- †Pantanellium – tentative report
- †Pantanellium
- †Pantanellium brevispinum
- †Pantanellium danaense – or unidentified comparable form
- †Pantanellium inornatum
- †Pantanellium kluense – or unidentified related form
- †Pantanellium kluense – or unidentified comparable form
- †Pantanellium oligoporum
- †Pantanellium riedeli
- †Pantanellium rothwelli – or unidentified comparable form
- †Pantanellium sp.
- †Pantanellium sp. Ainformal
- †Pantanellium sp. A2informal
- †Pantanellium sp. Binformal
- †Pantanellium sp. B2informal
- †Pantanellium sp. Cinformal
- †Pantanellium sp. C2informal
- †Pantanellium sp. C3informal
- †Pantanellium sp. Linformal
- †Pantanellium tanuense
- †Pantanellium virgeum
- †Paraceratites
- †Paraceratites orientalis – type locality for species
- †Paraceratites trinodosus – or unidentified comparable form
- †Parachaetetes – tentative report
- †Parachaetetes
- †Parachaetetes cassiana – or unidentified comparable form
- †Parachaetetes cassiana
- †Paracymatoceras
- †Paracymatoceras tunghaicum – type locality for species
- †Paracymatoceras tunghaicum
- †Paradeningeria
- †Paragalathea
- †Parahoplites
- †Parahsuum – tentative report
- †Parahsuum
- †Parahsuum cruciferum – or unidentified related form
- †Parahsuum cruciferum
- †Parahsuum dentatum – or unidentified related form
- †Parahsuum dentatum
- †Parahsuum edenshawi
- †Parahsuum formosum
- †Parahsuum grande
- †Parahsuum grantum
- †Parahsuum hiconocosta
- †Parahsuum izeense
- †Parahsuum kanyoense – or unidentified comparable form
- †Parahsuum kanyoense
- †Parahsuum levicostatum – or unidentified comparable form
- †Parahsuum levicostatum
- †Parahsuum longiconicum – or unidentified related form
- †Parahsuum longiconicum – or unidentified comparable form
- †Parahsuum longiconicum
- †Parahsuum longiconum – or unidentified related form
- †Parahsuum magnum – or unidentified related form
- †Parahsuum magnum
- †Parahsuum mostleri
- †Parahsuum natorense
- †Parahsuum officerense – or unidentified related form
- †Parahsuum officerense
- †Parahsuum olorizi
- †Parahsuum ovale – or unidentified related form
- †Parahsuum ovale
- †Parahsuum parvum – or unidentified related form
- †Parahsuum parvum
- †Parahsuum simplum – or unidentified comparable form
- †Parahsuum simplum
- †Parahsuum sp.
- †Parahsuum sp. Ainformal
- †Parahsuum sp. Binformal
- †Parahsuum sp. B0informal
- †Parahsuum sp. B2informal
- †Parahsuum sp. B3informal
- †Parahsuum sp. B4informal
- †Parahsuum sp. B5informal
- †Parahsuum sp. Cinformal
- †Parahsuum sp. C0informal
- †Parahsuum sp. C2informal
- †Parahsuum sp. C3informal
- †Parahsuum sp. Dinformal
- †Parahsuum sp. Finformal
- †Parahsuum sp. Ginformal
- †Parahsuum sp. Hinformal
- †Parahsuum sp. Iinformal
- †Parahsuum sp. Jinformal
- †Parahsuum sp. L0informal
- †Parahsuum sp. Q0informal
- †Parahsuum sp. Rinformal
- †Parahsuum sp. Sinformal
- †Parahsuum sp. SY01informal
- †Parahsuum sp. SY02informal
- †Parahsuum sp. SY03informal
- †Parahsuum sp. SY04informal
- †Parahsuum sp. SY05informal
- †Parahsuum sp. SY06informal
- †Parahsuum sp. Tinformal
- †Parahsuum sp. T0informal
- †Parahsuum sp. T018informal
- †Parahsuum sp. Winformal
- †Parahsuum stanleyense
- †Parahsuum transiens
- †Parainoceramya
- †Parainoceramya fusca – or unidentified related form
- †Parajaubertella
- †Paraleptolepis – type locality for genus
- †Paraleptolepis
- †Paraleptolepis elegans
- †Paraleptolepis kikuchii – type locality for species
- †Parallelodon – tentative report
- †Parallelodon
- †Parallelodon inflatus
- †Parallelodon infraliassicus
- †Parallelodon infrequens
- †Parallelodon kesennumensis
- †Parallelodon kobayashii
- †Parallelodon koikensis – or unidentified comparable form
- †Parallelodon koikensis
- †Parallelodon monobensis
- †Parallelodon nipponicus
- †Parallelodon niranohamensis
- †Parallelodon subnavicellus
- †Paranannites
- †Paranodonta
- †Paraophthalmidium
- †Paraorthacodus
- †Paraplacuna
- †Parasaturnalis – tentative report
- †Parasaturnalis
- †Parasepsagon
- †Parasepsagon leptaleus – type locality for species
- †Parasepsagon variabilis
- †Parasequoia
- †Parasequoia sp. 1informal
- †Parastromatopora
- †Paratrachyceras
- †Paratriassocampe
- †Paravolzeia
- †Parentactinia
- †Parmicorbula
- †Paroertlispongus
- †Paronaella – tentative report
- †Paronaella
- †Paronaella bandyi – or unidentified related form
- †Paronaella bandyi
- †Paronaella broenimanni
- †Paronaella corpulenta
- †Paronaella denudata
- †Paronaella grahamensis
- †Paronaella kotura
- †Paronaella mulleri – or unidentified comparable form
- †Paronaella mulleri
- †Paronaella pristidentata
- †Paronaella skowkonaensis
- †Paronaella sp.informal
- †Paronaella sp.
- †Paronaella sp. Ainformal
- †Paronaella sp. Binformal
- †Paronaella sp. Cinformal
- †Paronaella sp. C0informal
- †Paronaella sp. Dinformal
- †Paronaella sp. Einformal
- †Paronaella sp. Ginformal
- †Paronaella sp. Hinformal
- †Paronaella sp. Iinformal
- †Paronaella sp. Jinformal
- †Paronaella sp. Kinformal
- †Paronaella sp. Linformal
- †Paronaella sp. Minformal
- †Paronaella sp. Ninformal
- †Paronaella sp. Pinformal
- †Paronaella sp. SY01informal
- †Paronaella sp. SY02informal
- †Paronaella sp. SY03informal
- †Paronaella sp. SY04informal
- †Paronaella sp. SY05informal
- †Paronaella sp. SY06informal
- †Paronaella sp. SY07informal
- †Paronaella spp.
- †Paronaella trifoliacea – or unidentified related form
- †Parvamussium
- †Parvicingula – tentative report
- †Parvicingula
- †Parvicingula boesi – or unidentified comparable form
- †Parvicingula citae
- †Parvicingula dhimenaensis – or unidentified comparable form
- †Parvicingula mashitaensis
- †Parvicingula robusta – type locality for species
- †Parvicingula robusta
- †Parvicingula sp.
- †Parvicingula sp. Ainformal
- †Parvicingula sp. Cinformal
- †Parvicingula sp. C2informal
- †Parvicingula sp. Dinformal
- †Parvicingula sp. E2informal
- †Parvicingula sp. F2informal
- †Parvicingula sp. G0informal
- †Parvicingula sp. L3informal
- †Parvicingula sp. SY01informal
- †Parvicingula sp. SY02informal
- †Parvicingula sp. SY03informal
- †Parvicingula sp. SY04informal
- †Parvicingula sp. SY05informal
- †Parvicingula sp. SY06informal
- †Parvicingula spinata
- †Parvicingula spp.
- †Parvifasus – tentative report
- †Parvifavus
- †Parvifavus irregularis
- †Parvifavus sp. Ainformal
- †Parvifavus sp. Binformal
- †Parvifavus sp. B0informal
- †Parvivacca
- †Parvivacca sp. Ainformal
- †Parvivacca sp. A0informal
- †Patagiosites
- †Patagiosites laevis – type locality for species
- †Patagiosites sp.
- †Patella
- †Patella miyakoensis – type locality for species
- †Patella sp.
- †Patelloida
- †Patelloida obirensis – type locality for species
- †Patulibracchium
- †Payandea
- †Payandea japanica – or unidentified comparable form
- †Pecten – report made of unidentified related form or using admittedly obsolete nomenclature
- †Pecten amuricus – or unidentified related form
- †Pecten sp.
- †Pectinella
- †Pectinucula
- †Pedinoblatta
- †Pedinoblatta ishidae – type locality for species
- †Pegoxystris – type locality for genus
- †Pegoxystris
- †Pegoxystris mizutanii – type locality for species
- †Pegoxystris sp. Ainformal
- †Pentabelus – type locality for genus
- †Pentabelus
- †Pentabelus furutanii – type locality for species
- †Pentabelus furutanii
- †Pentabelus itoigawai
- †Pentactinocarpus
- †Pentactinocarpus acanthicus – or unidentified comparable form
- †Pentactinocarpus fusiformis
- †Pentaspongodiscus – tentative report
- †Periploma
- †Periploma altissimum
- †Periploma ambigua
- †Periploma japonica
- †Periploma mifunensis – or unidentified related form
- †Periplomya
- †Perisphinctes
- †Perispyridium
- †Perispyridium hippaense
- †Perispyridium ordinarium
- †Perispyridium oregonense
- †Perispyridium sp.
- †Perispyridium sp. Ainformal
- †Perispyridium sp. A0informal
- †Perispyridium sp. Binformal
- †Perispyridium sp. B2informal
- †Perispyridium sp. Cinformal
- †Perispyridium sp. Dinformal
- †Perispyridium sp. Einformal
- †Perispyridium sp. E2informal
- †Perispyridium sp. Finformal
- †Perissoptera
- †Permocorynella
- †Permocorynella sp. 1informal
- †Permocorynella sp. 2informal
- †Peroniceras
- †Peronidella
- †Perseus – tentative report
- †Perseus
- †Perseus hachimanensis
- †Perseus sp.
- †Perseus sp. Ainformal
- †Pharella
- †Phaseliforma
- †Phaseliforma laxa – or unidentified comparable form
- †Phelopteria
- †Phlebopteris
- †Phlebopteris sp. 1informal
- †Phoenicopsis
- †Phoenicopsis sp. 1informal
- †Phoenicopsis sp. 2informal
- †Pholadomya – tentative report
- †Pholadomya
- †Pholadomya ashikitensis
- †Pholadomya brevitesta
- †Pholadomya cornueliana – or unidentified related form
- †Pholadomya japonica
- †Pholadomya miyamotoi
- †Pholadomya somensis
- †Pholadomya subpedelnalis
- †Pholadomya tuberculata
- †Phylloceras
- †Phylloceras consanguineum – or unidentified comparable form
- †Phyllopachyceras
- †Phyllopachyceras ezoense
- †Phyllopachyceras ezoensis
- †Phyllopachyceras infundibulum – or unidentified related form
- †Phyllopachyceras infundibulum
- †Phyllopachyceras sp.
- †Phyllotheca
- †Phyllotheca sp. 1informal
- †Piallina – tentative report
- †Piallina
- †Piarorhynchia
- †Pictetia
- †Pietteia
- †Pinacophyllum – tentative report
- †Pinctada
- †Pinna – report made of unidentified related form or using admittedly obsolete nomenclature
- †Pinna
- †Pinna atriniformis
- †Pinna mitis – or unidentified comparable form
- †Pinna muikadaniensis
- †Pinna robinaldina – or unidentified comparable form
- †Pinna saitoi
- †Pinna sandsfootensis – or unidentified related form
- †Pinna sp.
- †Pityophyllum
- †Pityophyllum sp. 1informal
- †Placocoenia – tentative report
- †Placocoenia
- †Placocoenia hideshimaensis – type locality for species
- †Placocoenia japonica – type locality for species
- †Placocoenia ohinataensis – type locality for species
- †Placocoenia ohinataensis
- †Placocoenia tanohataensis – type locality for species
- †Placunopsis
- †Placunopsis aptiana
- †Placunopsis linensis – or unidentified related form
- †Placunopsis pseudotruncata
- †Placunopsis sp.
- †Plafkerium – tentative report
- †Plafkerium
- †Plagiostoma – tentative report
- †Plagiostoma
- †Plagiostoma enormicosta
- †Plagiostoma higaeribarense
- †Plagiostoma kobayashii
- †Plagiostoma kuromagariense
- †Plagiostoma matsumotoi
- †Plagiostoma sanrikuense
- †Plagiostoma subcardiiforme – or unidentified related form
- †Planiinvoluta
- †Plectomya
- †Plectomya anglica – or unidentified related form
- †Plectomya aritagawana
- †Plectomya punctostriae
- †Pleesus
- †Plesiosaurus
- †Plesiotexanites
- †Plesiotexanites kawasakii – or unidentified comparable form
- †Plesiotexanites sp.
- †Pleurogrammatodon
- †Pleuromeia
- †Pleuromeia sp. 1informal
- †Pleuromya
- †Pleuronectites
- †Pleuronectites hirabarensis
- †Pleuronectites laevigatus – or unidentified related form
- †Pleurosternon – tentative report
- †Pleurostylina
- †Pleurostylina hiraigaensis – type locality for species
- †Pleurostylina hiraigaensis
- †Plexoramea – tentative report
- †Plexoramea
- †Plicaforacapsa
- †Plicaforacapsa elegans – type locality for species
- †Plicatifera – tentative report
- †Plicatolamna
- †Plicatounio
- †Plicatula
- †Podobursa – tentative report
- †Podobursa
- †Podobursa helvetica
- †Podobursa polyacantha
- †Podobursa quadriaculeata – or unidentified related form
- †Podobursa sp.
- †Podobursa triacantha
- †Podobursa typica
- †Podocapsa – tentative report
- †Podocapsa
- †Podocarpites
- †Podocarpites sp. 1informal
- †Podocarpus
- †Podozamites
- †Podozamites anguistifolius
- †Podozamites lanceolatus
- †Podozamites sp. 1informal
- †Podozamites sp. 2informal
- †Podozamites sp. 3informal
- †Podozamites sp. 4informal
- †Podozamites sp. 5informal
- †Podozamites sp. 6informal
- †Podozamites sp. 7informal
- †Podozamites sp. 8informal
- †Podozamites sp. 9informal
- †Polarisella
- †Polyacrodus
- †Polyentactinia – tentative report
- †Polyentactinia biacus – type locality for species
- †Polyentactinia crux – type locality for species
- †Polyentactinia crux – or unidentified comparable form
- †Polyphylloseris
- †Polyphylloseris distefanoi – type locality for species
- †Polyphylloseris iwateensis – type locality for species
- †Polyphylloseris mammillata – type locality for species
- †Polyphylloseris mammillata
- †Polypodites
- †Polypodites sp. 1informal
- †Polypodites sp. 2informal
- †Polyptychoceras
- †Polyptychoceras haradanum – or unidentified comparable form
- †Polyptychoceras haradanum
- †Polyptychoceras jimboi
- †Polyptychoceras obatai
- †Polyptychoceras obstrictum
- †Polyptychoceras pseudogaultinum – or unidentified comparable form
- †Polyptychoceras pseudogaultinum
- †Polyptychoceras sp.
- †Polyptychoceras subquadratum – or unidentified comparable form
- †Polyptychoceras yubarense
- †Polyptychodon
- †Polyptychodon interruptus – or unidentified comparable form
- †Portlandia
- †Posidonotis
- †Poulpus
- †Poulpus nishimurae – type locality for species
- †Poulpus nishimurae – or unidentified comparable form
- †Poulpus sp. Ainformal
- †Poulpus sp. Binformal
- †Poulpus sp. Oinformal
- †Praecaprotina
- †Praeconia
- †Praeconia tetragona – or unidentified comparable form
- †Praeconocaryomma – tentative report
- †Praeconocaryomma
- †Praeconocaryomma bajaensis
- †Praeconocaryomma californiaensis
- †Praeconocaryomma decoraex gr.
- †Praeconocaryomma sarahae
- †Praeconocaryomma sp.
- †Praeconocaryomma sp. A2informal
- †Praeconocaryomma sp. Binformal
- †Praeconocaryomma sp. B0informal
- †Praeconocaryomma sp. B2informal
- †Praeconocaryomma sp. Cinformal
- †Praeconocaryomma sp. Dinformal
- †Praeconocaryomma sp. SY01informal
- †Praeconocaryomma sp. SY02informal
- †Praeconocaryomma universa
- †Praeconocaryomma whiteavesi
- †Praeconosphaera – tentative report
- †Praeconosphaera
- †Praeglobetruncana
- †Praehexasaturnalis
- †Praehexasaturnalis tenuispinosus – or unidentified related form
- †Praehexasaturnalis tetraradiatus
- †Praeparvicingula – tentative report
- †Praeparvicingula
- †Praeparvicingula aculeata
- †Praeparvicingula brunsensis
- †Praeparvicingula gigantocornis
- †Praeparvicingula nanoconica – type locality for species
- †Praeparvicingula nanoconica
- †Praeparvicingula sp. G0informal
- †Praeparvicingula sp. T013informal
- †Praeparvicingula spinata
- †Praeparvicingula spinifera
- †Praeparvicingula spp.
- †Praeparvicingula tlellensis
- †Praeparvicingula vera – or unidentified comparable form
- †Pravitoceras
- †Prenkites
- †Prenkites sp.
- †Prenkites timorensis – or unidentified comparable form
- †Prionocycloceras
- †Prionocycloceras matsumotoi – type locality for species
- †Prionocycloceras matsumotoi
- †Prionocycloceras obatai – type locality for species
- †Prionocycloceras obatai
- †Prionocyclus
- †Procarnites
- †Proconulus
- †Proconulus hiraigensis – type locality for species
- †Procyclolites – tentative report
- †Procyclolites timoricus – or unidentified related form
- †Prohinnites
- †Prohinnites favrinus – or unidentified comparable form
- †Prohungarites – tentative report
- †Promyalina
- †Pronoella
- †Propeamussium
- †Prorotrigonia
- †Prosogyrotrigonia
- †Protexanites
- †Protocardia
- †Protocardia amanoi – type locality for species
- †Protocardia amanoi
- †Protocardia hiraigensis
- †Protocardia ibukii
- †Protocardia inaii
- †Protocardia kurumensis
- †Protocardia morii
- †Protocardia onoi
- †Protocardia sp.
- †Protocardia sphaeroidea
- †Protocardia tosensis – or unidentified comparable form
- †Protocardia tosensis
- †Protocyprina
- †Protocyprina naumanni – or unidentified related form
- †Protocyprina naumanni
- †Protocyprina ohtai
- †Protogrammoceras
- †Protoheterastrea
- †Protoheterastrea konosensis – type locality for species
- †Protoheterastrea konosensis
- †Protopsium – tentative report
- †Protopsium
- †Prototurbo – type locality for genus
- †Prototurbo typicus – type locality for species
- †Protovallupus
- †Protoxiphotractus
- †Protrachyceras
- †Protunuma – tentative report
- †Protunuma
- †Protunuma fusiformis
- †Protunuma japonicus
- †Protunuma paulsmithi
- †Protunuma sp.
- †Protunuma sp. Ainformal
- †Protunuma sp. Binformal
- †Protunuma sp. Cinformal
- †Protunuma sp. Dinformal
- †Protunuma sp. Einformal
- †Protunuma sp. SY01informal
- †Protunuma sp. SY02informal
- †Protunuma sp. SY03informal
- †Protunuma sp. T002informal
- †Provampyroteuthis
- †Pseudamiantis – tentative report
- †Pseudasaphis
- †Pseudoaulophacus
- †Pseudoaulophacus floresensis – or unidentified comparable form
- †Pseudoaulophacus floresensis
- †Pseudoaulophacus lenticulatus – or unidentified comparable form
- †Pseudoaulophacus lenticulatus
- †Pseudoaulophacus praefloresensis – or unidentified comparable form
- †Pseudoaulophacus sp.
- †Pseudocanoptum
- †Pseudocrucella – tentative report
- †Pseudocrucella
- †Pseudocrucella sanfilippoae
- †Pseudocrucella sp.
- †Pseudocrucella sp. Ainformal
- †Pseudocrucella sp. A0informal
- †Pseudocrucella sp. Binformal
- †Pseudoctenis
- †Pseudoctenis sp. 1informal
- †Pseudoctenis sp. 2informal
- †Pseudodictyomitra
- †Pseudoeucyrtis
- †Pseudoeucyrtis angusta
- †Pseudoeucyrtis cylindrata – type locality for species
- †Pseudoeucyrtis cylindrata
- †Pseudoeucyrtis levis – type locality for species
- †Pseudoeucyrtis levis
- †Pseudoeucyrtis reticularis
- †Pseudoeucyrtis sp.
- †Pseudohagiastrum
- †Pseudohaploceras – tentative report
- †Pseudohaploceras
- †Pseudoheliodiscus
- †Pseudoheliodiscus sp. Ainformal
- †Pseudoheliodiscus sp. Binformal
- †Pseudohyria
- †Pseudokymatites
- †Pseudokymatites tabulatus – type locality for species
- †Pseudolimea
- †Pseudomelania
- †Pseudomyriophyllia
- †Pseudomyriophyllia oshimaensis – type locality for species
- †Pseudomytiloides
- †Pseudopantanellium
- †Pseudoperissitys
- †Pseudophyllites
- †Pseudopolytremacis
- †Pseudopoulpus
- †Pseudoptera – tentative report
- †Pseudoptera
- †Pseudoptera acuticarinata
- †Pseudoptera elongata
- †Pseudoptera viana – or unidentified related form
- †Pseudoristola – tentative report
- †Pseudoristola
- †Pseudosageceras – tentative report
- †Pseudosageceras
- †Pseudospongoprunum – tentative report
- †Pseudostylosphaera
- †Pseudostylosphaera compacta
- †Pseudostylosphaera helicata
- †Pseudostylosphaera japonica
- †Pseudostylosphaera kozuri – type locality for species
- †Pseudostylosphaera longispinosa
- †Pseudostylosphaera nazarovi – or unidentified comparable form
- †Pseudostylosphaera nazarovi
- †Pseudostylosphaera sp.
- †Pseudostylosphaera sp. Ainformal
- †Pseudostylosphaera sp. Binformal
- †Pseudostylosphaera tenuis
- †Pseudostylosphaera timorensis
- †Pseudothurmannia
- †Pseudothurmannia baleare – or unidentified related form
- †Pseudotriassothemis
- †Pseudotriassothemis minensis – type locality for species
- †Pseudotriassothemis nipponensis – type locality for species
- †Pseudotriassothemis okafujii – type locality for species
- †Pseudoxybeloceras
- †Pteraichnus
- †Pteraichnus nipponensis – type locality for species
- †Pteria – tentative report
- †Pteria
- †Pteria kitakamiensis
- †Pteria masatanii
- †Pteria mugikawensis
- †Pteria murchisoni – or unidentified related form
- †Pteria ussurica
- †Pterinella
- †Pterogonia
- †Pteroperna
- †Pterophyllum
- †Pterophyllum sp.
- †Pterophyllum sp. 1informal
- †Pterophyllum sp. 2informal
- †Pterophyllum sp. 3informal
- †Pterophyllum sp. 4informal
- †Pterophyllum sp. 5informal
- †Pterophyllum sp. 6informal
- †Pterophyllum sp. 7informal
- †Pterophyllum sp. 8informal
- †Pterotrigonia
- †Pterotrigonia amakusensis
- †Pterotrigonia brevicula
- †Pterotrigonia datemasamunei
- †Pterotrigonia dilapsa
- †Pterotrigonia higoensis
- †Pterotrigonia hokkaidoana
- †Pterotrigonia imanishii
- †Pterotrigonia kobayashii
- †Pterotrigonia longiloba – or unidentified comparable form
- †Pterotrigonia longiloba
- †Pterotrigonia mashikensis
- †Pterotrigonia mifunensis
- †Pterotrigonia monobeana
- †Pterotrigonia moriana
- †Pterotrigonia obsoleta
- †Pterotrigonia ogawai
- †Pterotrigonia pocciliformis
- †Pterotrigonia pociliformis
- †Pterotrigonia pocilliformis
- †Pterotrigonia pustulosa
- †Pterotrigonia sakakurai
- †Pterotrigonia sp.
- †Pterotrigonia toyamai
- †Pterotrigonia yeharai
- †Pterotrigonia yokoyamai
- †Ptilophyllum
- †Ptilophyllum sp. 1informal
- †Ptilophyllum sp. 2informal
- †Ptilophyllum sp. 3informal
- †Ptilophyllum sp. 4informal
- †Ptilozamites
- †Ptilozamites sp. 1informal
- †Ptilozamites sp. 2informal
- †Ptychites
- †Ptychites miyagiensis – type locality for species
- †Ptychites nipponicus – type locality for species
- †Ptychites sp.
- †Ptychites trochleaeformis – or unidentified comparable form
- †Ptychodus
- †Ptychomya
- †Ptychophylloceras
- †Ptychophylloceras euphyllum – or unidentified comparable form
- †Pulsidis
- †Pulsidis angulata – type locality for species
- †Pulsidis angulata
- †Pulsidis higoensis
- †Pulsidis nagatoensis
- †Pulsidis okadai
- †Pulsidis rostrata – type locality for species
- †Pulsidis rostrata
- †Pulsidis sanchuensis – type locality for species
- †Pulsidis tashiroi – type locality for species
- †Pulsidis tashiroi
- †Purpuroidea
- †Puzosia
- †Puzosia nipponica – or unidentified comparable form
- †Pycnodonte – tentative report
- †Pycnodonte
- †Pycnoporidium
- †Pyramispongia
- †Pyrazus – tentative report
- †Pyrgulifera
- †Pyrgulifera nodosa – type locality for species
- †Quarticella
- †Quarticella conica
- †Quarticella levis
- †Quarticella ovalis
- †Quarticella sp. Ainformal
- †Quarticella sp. Binformal
- †Quarticella sp. B0informal
- †Quarticella sp. Cinformal
- †Quarticella sp. Dinformal
- †Quarticella sp. Einformal
- †Quarticella sp. Finformal
- †Quarticella sp. Ginformal
- †Quarticella sp. Hinformal
- †Quarticella sp. H0informal
- †Quarticella sp. SY01informal
- †Quarticella sp. SY02informal
- †Quarticella sp. SY03informal
- †Quarticella sp. SY04informal
- †Quarticella sp. SY05informal
- †Quarticella sp. T012informal
- †Quarticella spinosa
- †Quinquecapsularia
- †Radiomura
- †Radulonectites
- †Radulopecten
- †Ramulina
- †Raoultius – tentative report
- †Raoultius
- †Rastellum
- †Rastellum carinatum
- †Rastellum erucum – or unidentified comparable form
- †Rastellum sp.
- †Reesidites
- †Regnellites – type locality for genus
- †Regnellites nagashimae – type locality for species
- †Rehacythereis
- †Rehacythereis matronae – or unidentified comparable form
- †Religa
- †Reophax
- †Retiophyllia
- †Retiophyllia eguchii – type locality for species
- †Retiophyllia eguchii – or unidentified related form
- †Retiophyllia eguchii – or unidentified comparable form
- †Retiophyllia frechi – or unidentified comparable form
- †Retiophyllia sp.
- †Retiophyllia sp. Cinformal
- †Retiophyllia tosaensis – type locality for species
- †Retiophyllia wasabidaniensis – type locality for species
- †Rhabdophyllia
- †Rhabdophyllia oshimaensis – type locality for species
- †Rhipidopsis
- †Rhipidopsis sp. 1informal
- †Rhopalosyringium
- †Rhopalosyringium magnificum – or unidentified comparable form
- †Rhopalosyringium magnificum
- †Riedelius – tentative report
- †Ristola – tentative report
- †Ristola
- †Ristola altissima
- †Ristola cretacea – or unidentified related form
- †Ristola cretacea
- †Ristola firma
- †Ristola procera
- †Ristola sp. Ainformal
- †Robinsonella
- †Robinsonella sp. nov.informal
- †Romaniceras
- †Romaniceras deverianum – or unidentified related form
- †Romaniceras deverianum – or unidentified comparable form
- †Romaniceras deverioides – or unidentified comparable form
- †Romaniceras deveroide
- †Romaniceras kallesi – or unidentified related form
- †Romaniceras ornatissimum
- †Romaniceras sp.
- †Romaniceras yezoense – or unidentified comparable form
- †Rutitrigonia
- †Sagenopteris
- †Sagenopteris sp. 1informal
- †Sagenopteris sp. 2informal
- †Saghalinites – tentative report
- †Saghalinites
- †Saghalinites sp.
- †Saghalinites teshioensis – type locality for species
- †Saghalinites teshioensis
- †Saitoum
- †Saitoum dercourti
- †Saitoum dickinsoni
- †Saitoum keki – or unidentified comparable form
- †Saitoum keki
- †Saitoum levium
- †Saitoum pagei
- †Saitoum sp.
- †Saitoum sp. Ainformal
- †Saitoum sp. Binformal
- †Sakawanella
- †Sakurasaurus – type locality for genus
- †Sakurasaurus
- †Sakurasaurus shokawensis – type locality for species
- †Sakurasaurus sp.
- †Samaroblatta
- †Samaroblatta fronda – type locality for species
- †Sardyoblattina – type locality for genus
- †Sardyoblattina kimurai – type locality for species
- †Sarla
- †Sarla sp. Ainformal
- †Sasayamamylos – type locality for genus
- †Sasayamamylos kawaii – type locality for species
- †Scalarites
- †Scalarites mihoensis – or unidentified comparable form
- †Scalarites scalare
- †Scalarites sp.
- †Scapanorhynchus
- †Scaphites
- †Scaphites obliquus – or unidentified related form
- †Scaphites pseudoaequalis
- †Scaphites pseudoequalis
- †Scaphites sp.
- †Scaphites subdelicatus – or unidentified related form
- †Scaphites yokoyamai
- †Scaphites yonekurai
- †Scaphotrigonia
- †Scepticocythereis – tentative report
- †Schadelfusslerus
- †Schafhaeutlia
- †Sciponoceras
- †Scittila
- †Sclerorhynchus
- †Scurriopsis
- †Scurriopsis aptiana – type locality for species
- †Scurriopsis aptiana – or unidentified comparable form
- †Scurriopsis oshimensis – type locality for species
- †Scurriopsis oshimensis
- †Scurriopsis sp.informal
- †Scutemys
- †Sella
- †Semihsuum
- †Semihsuum magnum
- †Semihsuum sp. B5informal
- †Semisolarium
- †Septifer
- †Sequoia – tentative report
- †Seriastraea
- †Seriastraea furukawai – type locality for species
- †Seriastraea furukawai
- †Serilla
- †Serradonta
- †Serradonta vestimentifericola – or unidentified comparable form
- †Sethocapsa – tentative report
- †Sethocapsa
- †Sethocapsa dorysphaeroides
- †Sethocapsa hexagona – type locality for species
- †Sethocapsa hexagona
- †Sethocapsa kaminogoensis
- †Sethocapsa leiostraca
- †Sethocapsa nakaensis
- †Sethocapsa pseudouterculus
- †Sethocapsa simplex
- †Sethocapsa sp.
- †Sethocapsa sp. Ainformal
- †Sethocapsa sp. A0informal
- †Sethocapsa sp. Binformal
- †Sethocapsa sp. B0informal
- †Sethocapsa sp. Cinformal
- †Sethocapsa sp. Dinformal
- †Sethocapsa trachyostraca – or unidentified related form
- †Sethostaurus – tentative report
- †Shamovella
- †Sharpeiceras
- †Shasticrioceras
- †Shasticrioceras nipponicus – or unidentified related form
- †Shikamacirrus – type locality for genus
- †Shikamacirrus nipponicus – type locality for species
- †Shiraminesauropus – type locality for genus
- †Shiraminesauropus
- †Shiraminesauropus hayashidaniensis – type locality for species
- †Shiraminesauropus reini – type locality for species
- †Shokawa – type locality for genus
- †Shokawa – tentative report
- †Shokawa ikoi – type locality for species
- †Shokawa sp.
- †Shurabia – type locality for genus
- †Shurabia elegans – type locality for species
- †Siamosaurus – tentative report
- †Sigmoilina – report made of unidentified related form or using admittedly obsolete nomenclature
- †Silberlingitoides
- †Silberlingitoides clarkei – or unidentified comparable form
- †Sinamia
- †Sinemys – or unidentified comparable form
- †Sirenites
- †Sisenna – tentative report
- †Sisenna japonica – tentative report
- †Sisenna japonica
- †Solariella
- †Solariella cruciana – or unidentified comparable form
- †Solemya
- †Solenoceras
- †Solenoceras sp.
- †Solenoceras texanum – or unidentified comparable form
- †Solenolmia – tentative report
- †Solenolmia
- †Solenotrima
- †Solenotrima ichikawai – tentative report
- †Solenotryma
- †Solenotryma dacryodes – or unidentified comparable form
- †Solenotryma ichikawai
- †Solenotryma japonica
- †Solenotryma sp. Ainformal
- †Somapecten
- †Somapteria
- †Somarctica
- †Sorlestes
- †Sorlestes mifunensis – type locality for species
- †Sphaeriola
- †Sphaerium
- †Sphenobaiera
- †Sphenobaiera sp. 1informal
- †Sphenobaiera sp. 2informal
- †Sphenobaiera sp. 3informal
- †Sphenodus
- †Sphenopteris
- †Sphenopteris sp.
- †Sphenopteris sp. 1informal
- †Sphenopteris sp. 2informal
- †Sphenopteris sp. 3informal
- †Sphenopteris sp. 4informal
- †Sphenopteris sp. 5informal
- †Sphenopteris sp. 6informal
- †Spinotriassocampe
- †Spiriferina – report made of unidentified related form or using admittedly obsolete nomenclature
- †Spondylus
- †Spongiomorpha
- †Spongiomorpha asiatica – or unidentified comparable form
- †Spongiomorpha asiatica
- †Spongiomorpha sp.
- †Spongiostoma
- †Spongiostoma sp. Binformal
- †Spongocapsula – tentative report
- †Spongocapsula
- †Spongocapsula conica – type locality for species
- †Spongocapsula conica
- †Spongocapsula daigoensis – type locality for species
- †Spongocapsula daigoensis
- †Spongocapsula ovum – type locality for species
- †Spongocapsula ovum
- †Spongocapsula palmerae – or unidentified comparable form
- †Spongocapsula palmerae
- †Spongocapsula perampla
- †Spongocapsula sp.
- †Spongocapsula sp. Ainformal
- †Spongocapsula sp. Binformal
- †Spongosaturninus
- †Spongosilicarmiger
- †Spongostaurus
- †Spongotripus – tentative report
- †Spongotripus
- †Spongotripus morenoensis
- †Spongotripus sp.
- †Spongotripus sp. Ainformal
- †Spongotripus sp. A0informal
- †Spongotripus sp. Binformal
- †Spongotripus sp. B0informal
- †Spongotripus sp. Cinformal
- †Spongotripus sp. Dinformal
- †Spongotripus sp. Einformal
- †Spongotripus sp. Finformal
- †Spongotripus sp. SY01informal
- †Spongotripus sp. SY02informal
- †Spongotripus sp. SY03informal
- †Spongotripus sp. T026informal
- †Spongotripus sp. Xinformal
- †Spongotripus sp. Zinformal
- †Spongotrochus – tentative report
- †Spongotrochus
- †Spongotrochus sp.
- †Spongotrochus sp. Ainformal
- †Spongotrochus sp. A0informal
- †Spongotrochus sp. Binformal
- †Spongotrochus sp. B2informal
- †Spongotrochus sp. B3informal
- †Spongotrochus sp. B4informal
- †Spongotrochus sp. Cinformal
- †Spongotrochus sp. SY01informal
- †Spongurus – tentative report
- †Spongurus
- †Spongurus sp. Ainformal
- †Spongurus sp. Binformal
- †Spongurus sp. Cinformal
- †Spongurus sp. Dinformal
- †Spongurus sp. Einformal
- †Spongurus sp. SY01informal
- †Squalicorax
- †Squalus
- †Squinabolella – tentative report
- †Squinabolella
- †Squinabolella putahensis
- †Squinabolella sp. Cinformal
- †Squinabollum
- †Stacheites
- †Stachyotaxus
- †Stachyotaxus sp. 1informal
- †Staurodoras – tentative report
- †Staurodoras
- †Staurodoras sp. Ainformal
- †Staurodoras sp. Binformal
- †Staurolonche
- †Staurolonche sp.
- †Staurolonche sp. Ainformal
- †Staurolonche sp. A0informal
- †Staurolonche sp. A2informal
- †Staurolonche sp. A3informal
- †Staurolonche sp. A4informal
- †Staurolonche sp. A5informal
- †Staurolonche sp. Binformal
- †Staurolonche sp. Cinformal
- †Staurolonche sp. Dinformal
- †Staurolonche sp. Einformal
- †Staurolonche sp. Finformal
- †Stauromesosaturnalis
- †Steinmanella
- †Stelidioseris
- †Stelidioseris japonica – type locality for species
- †Stenorachis
- †Stenorachis sp. 1informal
- †Stenorachis sp. 2informal
- †Stenorachis sp. 3informal
- †Stichocapsa – tentative report
- †Stichocapsa
- †Stichocapsa biconica – type locality for species
- †Stichocapsa biconica
- †Stichocapsa convexa – or unidentified comparable form
- †Stichocapsa convexa
- †Stichocapsa japonica – or unidentified related form
- †Stichocapsa japonica – or unidentified comparable form
- †Stichocapsa japonica
- †Stichocapsa praepulchella – type locality for species
- †Stichocapsa praepulchella
- †Stichocapsa robusta
- †Stichocapsa sp.
- †Stichocapsa sp. Ainformal
- †Stichocapsa sp. Binformal
- †Stichocapsa sp. Cinformal
- †Stichocapsa sp. Dinformal
- †Stichocapsa sp. Einformal
- †Stichocapsa sp. SY01informal
- †Stichocapsa sp. SY02informal
- †Stichocapsa sp. SY03informal
- †Stichocapsa sp. SY04informal
- †Stichocapsa sp. SY05informal
- †Stichocapsa sp. T006informal
- †Stichocapsa tegiminis
- †Stichocapsa yamizoensis – type locality for species
- †Stichocapsa yamizoensis
- †Stichomitra – tentative report
- †Stichomitra
- †Stichomitra campi
- †Stichomitra communis
- †Stichomitra euganea – tentative report
- †Stichomitra euganea
- †Stichomitra foraminosa
- †Stichomitra livermorensis
- †Stichomitra sp.
- †Stichomitra sp. Ainformal
- †Stichomitra sp. Binformal
- †Stichomitra sp. B1informal
- †Stichomitra sp. SY01informal
- †Stichomitra takanoensis
- †Stichomitra takenoensis
- †Stichomitra zamoraensis – tentative report
- †Stigmosphaerostylus
- †Stoliczkaia
- †Stomohamites
- †Storgaardia
- †Storgaardia sp. 1informal
- †Streblochondria – report made of unidentified related form or using admittedly obsolete nomenclature
- †Streblochondria
- †Streblochondria matsushitai – tentative report
- †Streblochondria matsushitai
- †Striatojaponocapsa
- †Striatojaponocapsa conexa
- †Striatojaponocapsa plicarumsensu lato
- †Striatojaponocapsa plicarum – or unidentified related form
- †Striatojaponocapsa plicarum – or unidentified comparable form
- †Striatojaponocapsa plicarum
- †Stylina – tentative report
- †Stylina
- †Stylina fukawazaensis – type locality for species
- †Stylina higoensis – type locality for species
- †Stylina higoensis
- †Stylina japonica – type locality for species
- †Stylina kantoensis – type locality for species
- †Stylina mabutii
- †Stylina nakasai – type locality for species
- †Stylina shinkaiensis – type locality for species
- †Stylina somaensis – type locality for species
- †Stylina sp.
- †Stylina sugiyamai – type locality for species
- †Stylina sugiyamai – or unidentified related form
- †Stylina sugiyamai
- †Stylophyllopsis – tentative report
- †Stylosmilia
- †Stylosmilia corallina – or unidentified comparable form
- †Stylosmilia fascicularis – type locality for species
- †Stylosmilia naumanni – type locality for species
- †Stylosmilia naumanni
- †Stylosmilia shirakurai
- †Stylosmilia subgracilis – type locality for species
- †Stylosmilia yabei – type locality for species
- †Stylosphaera
- †Stylosphaera sp. Ainformal
- †Stylosphaera sp. Binformal
- †Stylosphaera sp. Cinformal
- †Stylosphaera sp. Einformal
- †Stylothalamia
- †Stypolarcus
- †Stypolarcus laboriosus – or unidentified comparable form
- †Subcolumbites
- †Subcolumbites perrinismithi – or unidentified comparable form
- †Subcolumbites perrinismithi
- †Subcolumbites sp.
- †Subdiscosphinctes
- †Subdiscosphinctes hachiyai – type locality for species
- †Subdiscosphinctes sp.
- †Subprionocyclus
- †Subpriononcyclus
- †Subprionotropis
- †Subprionotropis muramotoi – or unidentified comparable form
- †Sulcobuccinum
- †Sulcobuccinum cretacea – type locality for species
- †Sulioticeras
- †Sulioticeras sulioticum – or unidentified related form
- †Svinitzium
- †Swedenborgia
- †Swedenborgia sp. 1informal
- †Symmetrocapulus
- †Symmetrocapulus hanaii – type locality for species
- †Symmetrolestes – type locality for genus
- †Symmetrolestes parvus – type locality for species
- †Synechodus
- †Syringocapsa – tentative report
- †Syringocapsa
- †Syringocapsa coliforme
- †Syringocapsa limatum – or unidentified related form
- †Syringocapsa sp.
- †Syringocapsa sp. Ainformal
- †Syringocapsa sp. Binformal
- †Syringocapsa sp. Cinformal
- †Syringocapsa sp. Dinformal
- †Syringocapsa sp. D2informal
- †Syringocapsa sp. D3informal
- †Syringocapsa sp. Einformal
- †Syringocapsa sp. Finformal
- †Syringocapsa sp. Ginformal
- †Syringocapsa spinellifera
- †Taeniopteris
- †Taeniopteris emarginata
- †Taeniopteris sp.
- †Taeniopteris sp. 1informal
- †Taeniopteris sp. 2informal
- †Taeniopteris sp. 3informal
- †Taeniopteris sp. 4informal
- †Taeniopteris sp. 5informal
- †Taeniopteris sp. 6informal
- †Taenopteris
- †Takahashiceras – type locality for genus
- †Takahashiceras eureka – type locality for species
- †Tambatitanis – type locality for genus
- †Tambatitanis amicitiae – type locality for species
- †Tanabeceras
- †Tanabeceras horokanaiense – type locality for species
- †Tancredia
- †Taniella – type locality for genus
- †Taniella japonica – type locality for species
- †Taniwhasaurus
- †Taniwhasaurus mikasaensis – type locality for species
- †Taniwhasaurus mikasaensis
- †Taramelliceras
- †Taramelliceras costatum – or unidentified comparable form
- †Taramelliceras sp.
- †Tardicolumbites
- †Tedoribaatar – type locality for genus
- †Tedoribaatar reini – type locality for species
- †Tedorosaurus – type locality for genus
- †Tedorosaurus asuwaensis – type locality for species
- †Teichertus
- †Teichertus heliotropica – or unidentified related form
- †Teichertus heliotropica
- †Tenea
- †Terebella – tentative report
- †Terebella
- †Terebratula – report made of unidentified related form or using admittedly obsolete nomenclature
- †Teredo – tentative report
- †Tethysetta
- †Tethysetta boesii
- †Tethysetta dhimenaensis
- †Tethysetta sp. Iinformal
- †Tethysetta sp. T030informal
- †Tetoria
- †Tetorimya
- †Tetracapsa
- †Tetraditryma – tentative report
- †Tetraditryma
- †Tetraditryma corralitosensis
- †Tetraditryma macra
- †Tetraditryma praeplena – or unidentified comparable form
- †Tetraditryma praeplena
- †Tetraditryma sp.
- †Tetraditryma sp. A0informal
- †Tetraditryma sp. Binformal
- †Tetraditryma sp. C1informal
- †Tetraditryma sp. Einformal
- †Tetraditryma sp. Hinformal
- †Tetraditryma sp. T025informal
- †Tetragonites
- †Tetraplecta
- †Tetraplecta hattorii – type locality for species
- †Tetraplecta yaoi – type locality for species
- †Tetratrabs
- †Tetratrabs izeensis – or unidentified related form
- †Tetratrabs izeensis
- †Tetratrabs sp.
- †Tetratrabs sp. Ainformal
- †Texanites
- †Textularia
- †Thallites
- †Thallites sp. 1informal
- †Thallites yabei
- †Thamnasteria – tentative report
- †Thamnasteria
- †Thamnasteria abukumaensis – type locality for species
- †Thamnasteria abukumaensis
- †Thamnasteria huzimotoi
- †Thamnasteria japonica – type locality for species
- †Thamnasteria jezoensis – type locality for species
- †Thamnasteria miyakoensis – type locality for species
- †Thamnasteria naumanni – type locality for species
- †Thamnasteria naumanni – or unidentified comparable form
- †Thamnasteria ogawaensis – type locality for species
- †Thamnasteria sp.
- †Thamnasteria sp. Ainformal
- †Thamnasteria sp. Binformal
- †Thamnasteria tokushimaensis – type locality for species
- †Thamnasteria torinosuensis – type locality for species
- †Thamnasteria torinosuensis
- †Thamnasteria yuraensis – type locality for species
- †Thamnasteriamorpha
- †Thamnasteriamorpha okudai – type locality for species
- †Thamnasteriamorpha okudai
- †Thanarla
- †Thaumatoporella
- †Thaumatopteris
- †Thaumatopteris sp. 1informal
- †Thaumatopteris sp. 2informal
- †Thaumatopteris sp. 3informal
- †Thaumatopteris sp. 4informal
- †Thaumatopteris sp. 5informal
- †Thaumatopteris sp. 6informal
- †Thecosmilia
- †Thecosmilia hideshimaensis – type locality for species
- †Thecosmilia somaensis – type locality for species
- †Thecosmilia sp.
- †Thecosphaera – tentative report
- †Thecosphaera
- †Thecosphaera sp. Ainformal
- †Thecosphaera sp. A0informal
- †Thecosphaera sp. A2informal
- †Thecosphaera sp. Binformal
- †Thecosphaera sp. B0informal
- †Thecosphaera sp. Cinformal
- †Thecosphaera sp. Dinformal
- †Thecosphaera sp. Einformal
- †Theocampe
- †Thetis
- †Thetisolala
- †Thetisolala sp.informal
- †Thetisolala sp.
- †Thinnfeldia
- †Thinnfeldia sp. 1informal
- †Tholodiscus
- †Thracia
- †Thurstonia
- †Thyasira – report made of unidentified related form or using admittedly obsolete nomenclature
- †Thyasira
- †Thyasira hataii
- †Thyasira himedoensis
- †Thyasira sp.
- †Thyasira tanabei – type locality for species
- †Thyasira tanabei
- †Tiborella
- †Tiborella agria – type locality for species
- †Tiborella agria – or unidentified related form
- †Tiborella agria
- †Tiborella florida
- †Tiborella sp.
- †Tiborella sp. Ainformal
- †Tiborella sp. Binformal
- †Tirolites
- †Tirolites ussuriensis – or unidentified comparable form
- †Todites
- †Todites sp. 1informal
- †Todites sp. 2informal
- †Todites sp. 3informal
- †Tolypammina
- †Torquesia
- †Torreya
- †Torreya sp. 1informal
- †Tosapecten
- †Tosapecten pseudohiemalis
- †Tosapecten sp.
- †Tosapecten suzukii – or unidentified related form
- †Tosapecten suzukii
- †Tosapecten teradensis
- †Toucasia
- †Toyamasauripus – type locality for genus
- †Toyamasauripus masuiae – type locality for species
- †Tragodesmoceroides
- †Trajanella
- †Transhsuum – tentative report
- †Transhsuum
- †Transhsuum hisuikyoense – or unidentified related form
- †Transhsuum hisuikyoense
- †Transhsuum sp. SY01informal
- †Triactoma – tentative report
- †Triactoma
- †Triactoma blakei
- †Triactoma brooksi
- †Triactoma jakobsae
- †Triactoma rosespitensis
- †Triactoma smithi – or unidentified related form
- †Triactoma southforkensis
- †Triactoma sp.
- †Triactoma sp. Binformal
- †Triactoma sp. Winformal
- †Triactoma sp. Xinformal
- †Triactoma sp. Yinformal
- †Triactoma sp. Zinformal
- †Triactoma spinosa
- †Triactoma wickiupensis
- †Triadomegalodon
- †Triaphorus
- †Triassobipedis – tentative report
- †Triassobipedis aetoides – type locality for species
- †Triassoblatta – tentative report
- †Triassoblatta
- †Triassoblatta bella – type locality for species
- †Triassoblatta okafujii – type locality for species
- †Triassoblatta okafujii – or unidentified comparable form
- †Triassoblatta rotundipenna – type locality for species
- †Triassoblatta sp. Ainformal
- †Triassoblatta sp. Binformal
- †Triassoblatta sp. Cinformal
- †Triassoblatta tenuicubiti – type locality for species
- †Triassocampe – tentative report
- †Triassocampe
- †Triassocampe coronata – or unidentified comparable form
- †Triassocampe coronata
- †Triassocampe deweveri
- †Triassocampe diordinis – or unidentified related form
- †Triassocampe myterocorys
- †Triassocampe postdeweveri
- †Triassocampe scalaris
- †Triassocampe sp.
- †Triassocampe sp. Ainformal
- †Triassocampe sp. Binformal
- †Triassocampe sp. Cinformal
- †Triassocampe sp. D1informal
- †Triassocampe sp. D2informal
- †Triassocampe sp. Einformal
- †Triassocampe sp. Finformal
- †Triassocampe sp. Ginformal
- †Triassocampe sp. Hinformal
- †Triassocampe sulovensis
- †Triassospongocyrtis – tentative report
- †Trichotropis – tentative report
- †Tricolocampe
- †Tricolocapsa
- †Tricolocapsa multispinosa
- †Tricolocapsa parvipora – or unidentified related form
- †Tricolocapsa parvipora – or unidentified comparable form
- †Tricolocapsa sp.
- †Tricolocapsa sp. Ainformal
- †Tricolocapsa sp. Binformal
- †Tricolocapsa sp. Cinformal
- †Tricolocapsa sp. Dinformal
- †Tricolocapsa sp. Einformal
- †Tricolocapsa sp. Minformal
- †Tricolocapsa sp. T001informal
- †Tricolocapsa sp. T007informal
- †Tricolocapsa tetragona
- †Trigonarca – tentative report
- †Trigonia
- †Trigonioides
- †Trigonocallista
- †Trigonodus – tentative report
- †Trigonucula
- †Trileites
- †Trillus
- †Trillus elkhornensis – or unidentified comparable form
- †Trillus elkhornensis
- †Trillus seidersi
- †Trillus sp.
- †Trillus sp. Ainformal
- †Trillus sp. A2informal
- †Trillus sp. B2informal
- †Trillus sp. Cinformal
- †Trillus sp. Einformal
- †Trillus sp. T017informal
- †Trilonche – tentative report
- †Tripedocorbis
- †Tripocyclia – tentative report
- †Tripocyclia
- †Tripocyclia japonica
- †Tripocyclia sp.
- †Tripocyclia sp. Ainformal
- †Tripocyclia sp. Binformal
- †Tripocyclia spp.
- †Tripocyclia tortuosa
- †Tritrabs – tentative report
- †Tritrabs
- †Tritrabs ewingi – or unidentified comparable form
- †Tritrabs ewingi
- †Tritrabs exotica
- †Tritrabs hayi – or unidentified comparable form
- †Tritrabs hayi
- †Tritrabs simplex – or unidentified related form
- †Tritrabs simplex
- †Tritrabs sp. A1informal
- †Tritrabs sp. Dinformal
- †Tritrabs sp. Einformal
- †Tritrabs sp. SY01informal
- †Tritrabs sp. SY02informal
- †Tritrabs spp.
- †Triversus – tentative report
- †Triversus
- †Triversus japonicus
- †Triversus sp.
- †Triversus sp. Ainformal
- †Triversus sp. Einformal
- †Trochammina – report made of unidentified related form or using admittedly obsolete nomenclature
- †Trochammina
- †Trocharea
- †Trochocyathus
- †Trochocyathus yezoensis – type locality for species
- †Trochoidomeandra
- †Trocholina
- †Trochopsidea
- †Trochopsidea japonica – type locality for species
- †Trochosmilia – tentative report
- †Trochosmilia orientalis – type locality for species
- †Troglotella
- †Tropigastrites – tentative report
- †Trypanotrochus
- †Tubiphytes – report made of unidentified related form or using admittedly obsolete nomenclature
- †Tubotriassocyrtis
- †Tucetona
- †Turanta – tentative report
- †Turanta
- †Turanta morinae
- †Turanta sp. Ainformal
- †Turanta sp. Oinformal
- †Turanta sp. SY01informal
- †Turanta sp. T027informal
- †Turrilites
- †Turrilites acutus
- †Turrilites aumalensis – or unidentified related form
- †Turrilitoides – tentative report
- †Turritella
- †Turritella sp. Ainformal
- †Tutcheria
- †Tylostoma – tentative report
- †Tylostoma
- †Tylostoma hanai – type locality for species
- †Tylostoma hanaii – type locality for species
- †Tylostoma miyakoense
- †Tylostoma miyakoensis
- †Tylostoma sanchuense
- †Tympaneides
- †Udalia
- †Unio – tentative report
- †Unio
- †Unionites – tentative report
- †Unionites
- †Unuma – tentative report
- †Unuma
- †Unuma echinatus – or unidentified related form
- †Unuma echinatus
- †Unuma latusicostatus
- †Unuma paulsmithi – or unidentified related form
- †Unuma sp.
- †Unuma sp. Ainformal
- †Unuma sp. Binformal
- †Unuma sp. Cinformal
- †Unuma sp. Dinformal
- †Unuma sp. Finformal
- †Unuma sp. Ginformal
- †Unuma sp. Hinformal
- †Unuma sp. Iinformal
- †Unuma sp. SY01informal
- †Unuma sp. T003informal
- †Unuma sp. T004informal
- †Unuma sp. T005informal
- †Unuma sp. Xinformal
- †Unuma sp. Yinformal
- †Unuma typicus – or unidentified related form
- †Unuma typicus
- †Unuma unicus
- †Utatsusaurus – type locality for genus
- †Utatsusaurus
- †Utatsusaurus hataii – type locality for species
- †Utatsusaurus hataii
- †Utaturiceras
- †Utaturiceras chrysanthemum – type locality for species
- †Utaturiceras chrysanthemum
- †Utaturiceras discoidale – or unidentified comparable form
- †Utaturiceras vicinale
- †Uvanella – tentative report
- †Uvanella
- †Uvanella irregularis
- †Uvanella lamellata – tentative report
- †Uvanella sp.
- †Valdedolsella
- †Vallupus
- †Vanikoropsis
- †Vaugonia
- †Veloritina
- †Veloritina matsumotoi – or unidentified comparable form
- †Veniella – tentative report
- †Verrutriletes
- †Verticiplagia
- †Verticiplagia simplex – type locality for species
- †Vesicomya
- †Viviparus
- †Volutilithes
- †Volutilithes antiqua – type locality for species
- †Volzeia
- †Volzeia badiotica – or unidentified comparable form
- †Waagenoperna
- †Wakinoichthys
- †Wakinoichthys aokii – type locality for species
- †Wakinoichthys aokii
- †Wakinoichthys robustus – type locality for species
- †Wakinosaurus – type locality for genus
- †Wakinosaurus satoi – type locality for species
- †Welirella
- †Weltrichia
- †Weltrichia sp. 1informal
- †Williamsonia
- †Williamsonia sp. 1informal
- †Williriedellum – tentative report
- †Williriedellum
- †Williriedellum carpathicum
- †Williriedellum crystallinum
- †Williriedellum ferum – type locality for species
- †Williriedellum ferum
- †Williriedellum ruesti – or unidentified related form
- †Williriedellum ruesti – or unidentified comparable form
- †Williriedellum ruesti
- †Wrangellium
- †Wrangellium okamurai
- †Wrangellium oregonense – or unidentified comparable form
- †Wrangellium sp.
- †Wyomingites
- †Wyomingites aplanatus – or unidentified comparable form
- †Wyomingites sp.
- †Xanthosia
- †Xenocardita
- †Xenoceltites – tentative report
- †Xenoceltites
- †Xenoceltites evolutus – or unidentified related form
- †Xenoceltites sp.
- †Xenodiscus – report made of unidentified related form or using admittedly obsolete nomenclature
- †Xenorum
- †Xenorum sp.
- †Xenorum sp. Ainformal
- †Xipha
- †Xipha nodosa – or unidentified comparable form
- †Xipha nodosa
- †Xiphosphaera
- †Xiphosphaera sp. Ainformal
- †Xiphostylus – tentative report
- †Xiphostylus
- †Xiphostylus logdellensis
- †Xiphostylus simplus
- †Xiphostylus sinosus
- †Xiphostylus sinuosus
- †Xiphostylus sp.
- †Xiphostylus sp. Ainformal
- †Xiphostylus vallieri – or unidentified comparable form
- †Xiphostylus whalenae – or unidentified comparable form
- †Xiphotheca
- †Xitus
- †Xitus asymbatos
- †Xitus gifuensis
- †Xitus grandis
- †Xitus magnus
- †Xitus pulcher
- †Xitus reticulatus – type locality for species
- †Xitus reticulatus
- †Xitus singularis
- †Xitus sp.
- †Xitus sp. Ainformal
- †Xitus sp. Binformal
- †Xitus spicularius – or unidentified comparable form
- †Xitus takayanagii
- †Yaadia
- †Yamatoum – tentative report
- †Yamatoum
- †Yamatoum caudatum
- †Yamatoum connicinum
- †Yamatoum connicum
- †Yamatoum elegans
- †Yamatoum komamiensis
- †Yamatoum sp. Ainformal
- †Yamatoum sp. Binformal
- †Yamatoum sp. Cinformal
- †Yamatoum sp. Dinformal
- †Yamatoum sp. SY01informal
- †Yamatoum sp. SY02informal
- †Yamatoum sp. SY03informal
- †Yamatoum spinosum
- †Yeharaia
- †Yezoites
- †Yezosaurus – type locality for genus
- †Yezosaurus mikasaensis – type locality for species
- †Yokoyamaina
- †Yokoyamaoceras
- †Yokoyamaoceras ishikawai
- †Yokoyamaoceras kotoi – or unidentified related form
- †Yokoyamaoceras sp.
- †Yoldia – tentative report
- †Yungkangichthys
- †Yungkangichthys macrodon – type locality for species
- †Yvesgalleticeras
- †Zamites
- †Zamites bayeri
- †Zamites sp. 1informal
- †Zamites sp. 2informal
- †Zamites sp. 3informal
- †Zamites sp. 4informal
- †Zamites sp. 5informal
- †Zamites sp. 6informal
- †Zamites sp. 7informal
- †Zamolxis
- †Zamolxis dumitricai – type locality for species
- †Zardinia
- †Zartus – tentative report
- †Zartus
- †Zartus dickinsoni – or unidentified related form
- †Zartus dickinsoni
- †Zartus imlayi – or unidentified related form
- †Zartus mostleri
- †Zartus sp.
- †Zartus sp. Ainformal
- †Zartus sp. Binformal
- †Zartus sp. Dinformal
- †Zartus spp.
- †Zartus stellatus
- †Zartus thayeri
- †Zhamoidellum
Cenozoic
- †Abides –
- †Abides sp. –
- †Abies –
- †Abies protofirma –
- †Abies sp. –
- †Abra –
- †Abra hakushatonensis –
- †Abra sp. –
- †Acanthastrea –
- †Acanthastrea echinata – ex gr.
- †Acanthastrea echinata –
- †Acanthastrea hemprichii – or unidentified comparable form
- †Acanthastrea hemprichii –
- †Acanthastrea hillae –
- †Acanthastrea lordhowensis – tentative report
- †Acanthastrea lordhowensis –
- †Acanthastrea sp. –
- †Acanthocardia –
- †Acanthopagrus –
- †Acanthosoma –
- †Acar –
- †Acar domingensis –
- †Acar plicata –
- †Acer –
- †Acer chiharae – or unidentified comparable form
- †Acer crataegifolium – or unidentified comparable form
- †Acer huziokae –
- †Acer nordenskioeldii –
- †Acer palaeorufinerve –
- †Acer protojaponicum –
- †Acer protomatsumurae –
- †Acer protomiyabei –
- †Acer prototrifidium –
- †Acer rotundatum –
- †Acer sp. –
- †Acer subnikoense –
- †Acer tricuspidatum –
- †Acervulina –
- †Acesta –
- †Acesta goliath – or unidentified comparable form
- †Acesta goliath –
- †Acesta oyamai –
- †Acesta smithi –
- †Acesta watanabei – or unidentified comparable form
- †Acharax –
- †Acharax johnsoni –
- †Acharax sp. –
- †Acharax tokunagai –
- †Acila –
- †Acila ashiyaensis – or unidentified related form
- †Acila ashiyaensis – or unidentified comparable form
- †Acila ashiyaensis –
- †Acila brevis –
- †Acila castrensis – or unidentified related form
- †Acila divaricata –
- †Acila elongata – or unidentified comparable form
- †Acila elongata –
- †Acila enpirensis –
- †Acila incignis –
- †Acila insignis –
- †Acila isignis –
- †Acila kusiroensis –
- †Acila mirabilis –
- †Acila nagaoi – or unidentified comparable form
- †Acila nakazimai –
- †Acila picturata –
- †Acila praedivaricata – or unidentified comparable form
- †Acila shimoyamai –
- †Acila sp. –
- †Acila submirabilis –
- †Acila vigilia – or unidentified comparable form
- †Acirsa –
- †Acmaea – report made of unidentified related form or using admittedly obsolete nomenclature
- †Acmaea –
- †Acmaea mitra –
- †Acmaea pallida –
- †Acmaea sp. –
- †Acropora –
- †Acropora abrotanoides –
- †Acropora aspera –
- †Acropora digitifera –
- †Acropora gemmifera –
- †Acropora humilis – ex gr.
- †Acropora hyacinthus – ex gr.
- †Acropora hyacinthus –
- †Acropora microphthalma – ex gr.
- †Acropora monticulosa –
- †Acropora muricata – or unidentified comparable form
- †Acropora muricata –
- †Acropora palmerae –
- †Acropora robusta –
- †Acropora sp. –
- †Acropora sp. (Branching) – informal
- †Acropora sp. 1 – informal
- †Acropora sp. 2 – informal
- †Acropora sp. 3 – informal
- †Acropora sp. 4 – informal
- †Acropora spicifera –
- †Acropora spp. –
- †Acropora spp. (Branching) – informal
- †Acropora spp. (Tabular) – informal
- †Acropora tenuis –
- †Acropora tumida –
- †Acropora yongei – or unidentified comparable form
- †Acrosterigma – report made of unidentified related form or using admittedly obsolete nomenclature
- †Acrosterigma –
- †Acrosterigma burchardi –
- †Acrosterigma ogurai – or unidentified comparable form
- †Acrosterigma ogurai –
- †Acrosterigma sp. –
- †Acrostichum –
- †Actaeopyramis –
- †Acteocina –
- †Acteon –
- †Acteon teramachii – or unidentified related form
- †Acteon teramachii –
- †Actinocyclus –
- †Actinodaphne –
- †Actinodaphne lancifolia – or unidentified comparable form
- †Actinodonta –
- †Actinoptychus –
- †Actumnus –
- †Adamnestia –
- †Adipicola –
- †Adoneis –
- †Adusta –
- †Adusta onyx –
- †Aequipecten –
- †Aequipecten kikaiensis – type locality for species
- †Aequipecten reevei –
- †Aequipecten spectabilis –
- †Aesculus –
- †Aesculus majus –
- †Aesculus sp. –
- †Aetiocetus – tentative report
- †Aetiocetus –
- †Aetiocetus polydentatus – type locality for species
- †Aetiocetus sp. –
- †Aetiocetus tomitai – type locality for species
- †Aetobatus –
- †Afrocardium –
- †Afrocardium infantule – type locality for species
- †Afrocardium thielei – or unidentified comparable form
- †Agabus – tentative report
- †Agabus –
- †Agabus optatus – tentative report
- †Agabus sp. –
- †Agladrillia –
- †Aglaocetus – tentative report
- †Ailanthus –
- †Akebiconcha –
- †Alangium –
- †Alatotrochus –
- †Albicetus –
- †Albicetus oxymycterus – tentative report
- †Albicetus oxymycterus –
- †Aldrovandia –
- †Aliculastrum –
- †Alligator – or unidentified comparable form
- †Alligator –
- †Allodesmus – tentative report
- †Allodesmus – or unidentified comparable form
- †Allodesmus –
- †Allodesmus megallos – type locality for species
- †Allodesmus megallos –
- †Allodesmus naorai – type locality for species
- †Allodesmus sadoensis – type locality for species
- †Allodesmus sp. –
- †Alnus –
- †Alnus firma – or unidentified comparable form
- †Alnus hirsuta – or unidentified comparable form
- †Alnus japonica – or unidentified comparable form
- †Alnus japonica –
- †Alnus protohirsuta –
- †Alnus protomaximowiczii –
- †Alnus sp. –
- †Aloconatica –
- †Aloconatica niasensis – or unidentified comparable form
- †Aloconatica niasensis –
- †Aloidis –
- †Aloidis scaphoides – or unidentified comparable form
- †Alopias –
- †Alvenius –
- †Alveopora –
- †Alveopora japonica –
- †Alveopora sp. –
- †Alveopora verrilliana – or unidentified comparable form
- †Amaea –
- †Amaea magnifica –
- †Amaea niasensis – or unidentified related form
- †Amaea thielei –
- †Amalda –
- †Amalda albocallosa – or unidentified related form
- †Amalda albocallosa – or unidentified comparable form
- †Amalda albocallosa –
- †Amathina –
- †Amblychaeturichthys –
- †Ammobaculites –
- †Ammobaculites sp. –
- †Ammobaculites yumotoensis – type locality for species
- †Amphioplus –
- †Amphioplus uchigoensis – type locality for species
- †Amphistegina –
- †Ampullinopsis –
- †Ampullonatica –
- †Amusium –
- †Amusium japonicus –
- †Amusium sibogai –
- †Amusium sp. –
- †Amussiopecten –
- †Amynodon – tentative report
- †Amynodon –
- †Anachis –
- †Anachis chinenensis –
- †Anachis leroyi –
- †Anachis pumilia –
- †Anachis sp. –
- †Anadara – tentative report
- †Anadara –
- †Anadara abdita –
- †Anadara amicula –
- †Anadara castellata –
- †Anadara chichibuensis –
- †Anadara daitokudoensis –
- †Anadara granosa –
- †Anadara hiratai –
- †Anadara hokkaidoensis –
- †Anadara kakehataensis –
- †Anadara kogachiensis – type locality for species
- †Anadara kogachiensis –
- †Anadara makiyamai –
- †Anadara ninohensis –
- †Anadara ogawai –
- †Anadara scapha –
- †Anadara setoensis – or unidentified comparable form
- †Anadara sp. –
- †Anadara tazawensis –
- †Anadara watanabei –
- †Anas –
- †Anas sp. –
- †Ancilla –
- †Ancilla albocallosa – or unidentified comparable form
- †Ancilla albocallosa –
- †Ancilla chinenensis –
- †Ancilla iwaensis –
- †Ancilla lanceolata – or unidentified comparable form
- †Ancilla lanceolata –
- †Ancilla rubiginosa –
- †Ancilla suavis –
- †Ancillaria –
- †Ancistrolepis –
- †Ancistrolepos – tentative report
- †Angaria –
- †Angulus –
- †Anisodonta –
- †Anisospinos –
- †Annachlamys – or unidentified comparable form
- †Anodonta –
- †Anodontia –
- †Anomalina –
- †Anomia – tentative report
- †Anomia –
- †Anomia asagaiensis –
- †Anomia chinensis –
- †Anomia cytaeum –
- †Anomia lischkei –
- †Anomia sp. –
- †Anser –
- †Anser sp. –
- †Antalis –
- †Antalis sp. –
- †Anthemiphyllia –
- †Antigona – tentative report
- †Antigona –
- †Antigona sp. –
- †Antillia –
- †Antillophos –
- †Antillophyllia –
- †Antilophos –
- †Aphananthe –
- †Aphodius – tentative report
- †Aphodius –
- †Aphodius sp. –
- †Aphrocallistes –
- †Aphrocallisties –
- †Apis –
- †Apis lithohermaea – type locality for species
- †Apodemus –
- †Apolymetis –
- †Aptyxis –
- †Aptyxis okinawa – type locality for species
- †Arachnoidiscus –
- †Araloselachus –
- †Araloselachus cuspidata – or unidentified comparable form
- †Araloselachus cuspidata –
- †Arca –
- †Arca avellana –
- †Arca boucardi – or unidentified comparable form
- †Arca boucardi –
- †Arca navicularis –
- †Arca sakamizuensis –
- †Arca sp. –
- †Arca uedai –
- †Arca ventricosa –
- †Archaeodobenus – type locality for genus
- †Archaeodobenus akamatsui – type locality for species
- †Archaeolithothamnium –
- †Archaeolithothamnium affine – or unidentified comparable form
- †Archaeolithothamnium chamorrosum –
- †Archaeolithothamnium fosteri –
- †Archaeolithothamnium liberum – or unidentified comparable form
- †Archaeolithothamnium megamiensis –
- †Archaeolithothamnium nummuliticum –
- †Archaeolithothamnium parisiense –
- †Archaeophocaena – type locality for genus
- †Archaeophocaena teshioensis – type locality for species
- †Architectonica –
- †Architectonica dilecta –
- †Architectonica distinguinda – type locality for species
- †Architectonica kurodae –
- †Architectonica maxima –
- †Architectonica nomurai – or unidentified related form
- †Architectonica nomurai –
- †Architectonica perspectiva –
- †Architectonica sp. –
- †Arcopagia –
- †Arcopagia diaphana –
- †Arcopagia serricostata – or unidentified comparable form
- †Arcopagia serricostata –
- †Arcopagia subtruncata –
- †Arcopsis –
- †Arctocephalus –
- †Argobuccinum –
- †Argobuccinum galea – or unidentified comparable form
- †Argobuccinum izumozakiensis –
- †Argobuccinum natoriana –
- †Argobuccinum oregonensis –
- †Argonauta –
- †Argonauta tokunagai – type locality for species
- †Argonauta tokunagai –
- †Argyropeza –
- †Argyropeza schepmaniana – or unidentified comparable form
- †Argyropleura –
- †Argyropleura divina – or unidentified comparable form
- †Ariadnaria –
- †Artemisia –
- †Asaphis –
- †Asaphis sp. –
- †Aschizomys –
- †Ashoroa – type locality for genus
- †Ashoroa laticosta – type locality for species
- †Ashorocetus – type locality for genus
- †Ashorocetus eguchii – type locality for species
- †Asiocoryphodon –
- †Asplenium –
- †Assiminea –
- †Astarte –
- †Astele –
- †Astele sp. –
- †Astraea –
- †Astraea haemafraga –
- †Astraea henica –
- †Astraea japonicus –
- †Astraea sp. –
- †Astralium –
- †Astralium haematragum –
- †Astralium rhodostoma – or unidentified related form
- †Astrea –
- †Astrea annuligera – ex gr.
- †Astrea curta – or unidentified comparable form
- †Astrea curta –
- †Astreopora –
- †Astreopora gracilis – or unidentified comparable form
- †Astreopora sp. –
- †Astrocoenia –
- †Astrocoenia immersa –
- †Astrocoenia nana – or unidentified comparable form
- †Astrocoenia sp. –
- †Astyris –
- †Atactodea –
- †Atheresthes –
- †Athleta – tentative report
- †Athleta –
- †Athleta japonica –
- †Athleta nishimurai – tentative report
- †Athleta nishimurai –
- †Atopotarus –
- †Atrina –
- †Atrina pectinata –
- †Atrina sp. –
- †Aturia – report made of unidentified related form or using admittedly obsolete nomenclature
- †Aturia –
- †Aturia aturi –
- †Aturia coxi –
- †Aturia cubaensis – or unidentified comparable form
- †Aturia cubaensis –
- †Aturia matsushitai – type locality for species
- †Aturia sp. –
- †Aturia yokoyamai –
- †Atys – tentative report
- †Atys okinawa –
- †Aulaosira –
- †Aulophyseter – or unidentified related form
- †Australaba –
- †Awadelphis – type locality for genus
- †Awadelphis hirayamai – type locality for species
- †Azolla –
- †Azolla sp. –
- †Azorinus –
- †Azpeitia –
- †Babylonia –
- †Bacterosira –
- †Balaena –
- †Balaena sp. –
- †Balaenoptera – or unidentified related form
- †Balaenoptera –
- †Balaenoptera acutorostrata – or unidentified comparable form
- †Balaenoptera acutorostrata –
- †Balaenoptera borealis – or unidentified comparable form
- †Balaenoptera borealis –
- †Balaenoptera musculus –
- †Balaenoptera omurai –
- †Balaenoptera physalus –
- †Balaenoptera sp. –
- †Balaenula –
- †Balanophyllia –
- †Balanophyllia cumingii – or unidentified comparable form
- †Balanophyllia fistula –
- †Balanophyllia imperialis – or unidentified comparable form
- †Balanophyllia sp. –
- †Balanus – report made of unidentified related form or using admittedly obsolete nomenclature
- †Balanus –
- †Balanus sp. –
- †Balcis –
- †Balcis cumingii –
- †Balcis sp. 1 – informal
- †Balcis sp. 2 – informal
- †Balcis sp. 3 – informal
- †Bambusites –
- †Bambusium –
- †Bambusium yadakeides – report made of unidentified related form or using admittedly obsolete nomenclature
- †Barbatia –
- †Barbatia adamsiana –
- †Barbatia amygdalumtostum – or unidentified comparable form
- †Barbatia bicolorata –
- †Barbatia decussata –
- †Barbatia fusca –
- †Barbatia kubara – or unidentified comparable form
- †Barbatia nodai – type locality for species
- †Barbatia obtusoides –
- †Barbatia osawanoensis –
- †Barbatia sp. –
- †Barbatia stearnsii –
- †Barbatia uetsukiensis –
- †Barnea –
- †Bathyancistrolepis –
- †Bathyarca –
- †Bathybembix –
- †Bathybembix aeola –
- †Bathybembix arquenteonitens –
- †Bathybembix convexiusculum – or unidentified comparable form
- †Bathybembix sp. –
- †Bathylagus –
- †Bathysihon –
- †Bathysiphon –
- †Batillaria –
- †Batillaria multiformis –
- †Batillaria mutliformis –
- †Batillaria sp. –
- †Batillaria takeharai –
- †Batillaria toshioi – or unidentified comparable form
- †Batillaria toshioi –
- †Batillaria zonais – or unidentified related form
- †Batillaria zonalis –
- †Bedevina –
- †Behemotops –
- †Behemotops katsuiei – type locality for species
- †Bellamya –
- †Bellatara – tentative report
- †Bembidion –
- †Bentharca –
- †Benthodesmus –
- †Benthovoluta –
- †Berardius –
- †Berchemia –
- †Betula – tentative report
- †Betula –
- †Betula grossa – or unidentified comparable form
- †Betula miomaximowicziana –
- †Betula protoglobispica – or unidentified comparable form
- †Betula schmidtii – or unidentified comparable form
- †Betula sp. –
- †Bibio – tentative report
- †Bibio –
- †Bibio sadoensis – type locality for species
- †Bibio sp. –
- †Biplex –
- †Biplex perca –
- †Bischoffia –
- †Bison –
- †Bison sp. –
- †Bittium –
- †Bolivina –
- †Bolivinita –
- †Bolma –
- †Bolma hataii –
- †Bolma modesta –
- †Bolma pseudomolesta – or unidentified comparable form
- †Bolma sp. – type locality for species
- †Bolma sp. –
- †Bolma virgata –
- †Boreotrophon –
- †Boreotrophon candelabrum –
- †Boreotrophon elegantula – or unidentified comparable form
- †Boreotrophon osawanoensis –
- †Boreotrophon sp. –
- †Borniopsis –
- †Borsonia –
- †Bostrycapulus –
- †Bostrycapulus gravispinosa – or unidentified related form
- †Bostrycapulus gravispinosus –
- †Bothriodon –
- †Bothriogenys –
- †Bothriogenys hui – or unidentified comparable form
- †Brachidontes –
- †Brachidontes ogasawarai –
- †Brachidontes sakakurai – tentative report
- †Brachidontes sakakurai –
- †Brachidontes sp. –
- †Brachytoma –
- †Brasenia –
- †Brebvimyurella –
- †Brisingella –
- †Brygmophyseter –
- †Brygmophyseter shigensis – type locality for species
- †Buccella –
- †Buccinaria –
- †Buccinum – tentative report
- †Buccinum –
- †Bucella –
- †Buergeria –
- †Bufo –
- †Bufonaria –
- †Bulbus –
- †Bulimina –
- †Buliminella –
- †Bulla – tentative report
- †Bulla –
- †Bulla sp. –
- †Bullus –
- †Bursa –
- †Bursa corrugata – or unidentified related form
- †Bursa nobilis –
- †Bursa ranelloides –
- †Burtinopsis –
- †Buteo –
- †Buteo buteo –
- †Buxus –
- †Caecum –
- †Caenis –
- †Caenis sp. –
- †Caesalpinea –
- †Caesalpinia –
- †Caestocorbula –
- †Caestocorbula subtumida – tentative report
- †Caestocorbula subtumida – or unidentified comparable form
- †Caestocorbula subtumida –
- †Calcar –
- †Calcar haematragus – or unidentified comparable form
- †Calcar sp. –
- †Calcarina –
- †Caldesia –
- †Caldesia sp. –
- †Callianassa –
- †Callianassa inornata –
- †Callianassa nishikawai –
- †Callianassa sp. –
- †Callianassa tanakai –
- †Callianassa yagii –
- †Callianassa yatsuoensis – type locality for species
- †Callianopsis –
- †Callicarpa –
- †Calliostoma –
- †Calliostoma consors –
- †Calliostoma ikebei – or unidentified related form
- †Calliostoma ikebei –
- †Calliostoma kikaianum – type locality for species
- †Calliostoma multiliratum –
- †Calliostoma nahaensis –
- †Calliostoma simane –
- †Calliostoma sp. –
- †Calliostoma ticanonicum –
- †Callista – tentative report
- †Callista –
- †Callista adamsi –
- †Callista ariakensis –
- †Callista chinensis –
- †Callista hanzawai – or unidentified comparable form
- †Callista hanzawai –
- †Callista kurodae –
- †Callista munroei –
- †Callista sp. – tentative report
- †Callista sp. –
- †Callithaca –
- †Callorhinus – tentative report
- †Callorhinus –
- †Calopteryx –
- †Calosoma – report made of unidentified related form or using admittedly obsolete nomenclature
- †Calosoma –
- †Calosoma inquisitor – tentative report
- †Calosoma sp. –
- †Calyptraea –
- †Camellia –
- †Camponotus – tentative report
- †Cancellaria – tentative report
- †Cancellaria –
- †Cancellaria chinenensis –
- †Cancellaria hukusimana –
- †Cancellaria kobayashii –
- †Cancellaria laticosta –
- †Cancellaria pristina – or unidentified related form
- †Cancellaria pristina –
- †Cancellaria reeveana –
- †Cancellaria sp. –
- †Cancellaria spengleriana –
- †Cancellaria yonabaruensis – type locality for species
- †Cancer –
- †Cancilla –
- †Cancilla filaris –
- †Cancilla flammea – or unidentified comparable form
- †Cancilla hirosei –
- †Cancilla menkrawitensis – or unidentified related form
- †Cancilla sp. –
- †Cancilla yokoyamai –
- †Cancilla yonabaruensis –
- †Canis –
- †Canis lupus –
- †Cannartus –
- †Cannartus laticonus – or unidentified comparable form
- †Cantharidus –
- †Cantharus –
- †Cantharus andoi – type locality for species
- †Cantharus fumosus – or unidentified comparable form
- †Cantharus sp. –
- †Capreolus – tentative report
- †Capreolus –
- †Capricornis –
- †Carabus –
- †Carabus blaptoides –
- †Carabus granulatus – tentative report
- †Carabus japonicus –
- †Carabus maacki –
- †Carabus maeander –
- †Carabus sp. –
- †Carcharhinus – tentative report
- †Carcharhinus –
- †Carcharias –
- †Carcharodon –
- †Carcharodon auriculatus –
- †Carcharodon carcharias –
- †Carcharodon hastalis –
- †Carcharodon nodai –
- †Carcharodon sp. –
- †Carcharodon sulcidens –
- †Carcharodon turgidus – or unidentified related form
- †Carcinoplax –
- †Cardilia – tentative report
- †Cardilia –
- †Cardiomya –
- †Cardita – tentative report
- †Cardita –
- †Cardita cumingiana –
- †Cardita ishigakensis –
- †Cardita leana –
- †Cardita sp. –
- †Cardita variegata – or unidentified comparable form
- †Cardium –
- †Cardium sp. –
- †Carex –
- †Carex sp. –
- †Carex spp. –
- †Caricella –
- †Carpinus –
- †Carpinus heigunensis –
- †Carpinus japonica – or unidentified comparable form
- †Carpinus miocenica –
- †Carpinus nipponica – or unidentified comparable form
- †Carpinus sp. –
- †Carpinus subcordata –
- †Carpinus turczaninowii – or unidentified comparable form
- †Carpolithes –
- †Carya –
- †Caryophyllia –
- †Caryophyllia compressa –
- †Caryophyllia japonica – or unidentified comparable form
- †Caryophyllia malayicus –
- †Caryophyllia paucipaliata –
- †Caryophyllia sp. –
- †Casmaria –
- †Cassidulina –
- †Cassis –
- †Cassis cornuta – or unidentified comparable form
- †Castanea –
- †Castanopsis –
- †Catalpa –
- †Catalpa szei –
- †Caucasina –
- †Caulastrea –
- †Cavolinia –
- †Cedrela – tentative report
- †Cedrela –
- †Cedroxylon –
- †Celtis –
- †Celtis hokiensis –
- †Celtis nathorstii –
- †Celtis sp. –
- †Cephalotaxus –
- †Ceratophyllum –
- †Ceratopteris –
- †Ceratostoma –
- †Cerba –
- †Cerbera –
- †Cercidiphyllum –
- †Cercis –
- †Cerithidea – tentative report
- †Cerithidea –
- †Cerithidea djadjariensis –
- †Cerithidea hondai – type locality for species
- †Cerithidea ishikariensis –
- †Cerithidea kanpokuensis – or unidentified comparable form
- †Cerithidea kanpokueusis –
- †Cerithidea matajiroi –
- †Cerithidea minoensis –
- †Cerithidea ohiroi – type locality for species
- †Cerithidea rhizoporarum –
- †Cerithidea sp. –
- †Cerithidea tokunariensis – or unidentified comparable form
- †Cerithidea tokunariensis –
- †Cerithidea yatsuoensis – or unidentified comparable form
- †Cerithiopsis –
- †Cerithium –
- †Cerithium aluco –
- †Cerithium ancisum –
- †Cerithium citrinus –
- †Cerithium echinatum –
- †Cerithium kobelti –
- †Cerithium kochi –
- †Cerithium nodulosus –
- †Cerithium sp. –
- †Cerithium vertagus – or unidentified comparable form
- †Cerorhinca –
- †Cerorhinca monocerata – or unidentified comparable form
- †Cervus – tentative report
- †Cervus –
- †Cervus astylodon –
- †Cervus greyi – or unidentified comparable form
- †Cervus katokiyomasai –
- †Cervus kazusensis –
- †Cervus naorai – type locality for species
- †Cervus paleozoensis –
- †Cervus praeonipponicus – or unidentified comparable form
- †Cervus shikamai –
- †Cervus sp. –
- †Cervus takaoi –
- †Cervus tamaensis –
- †Cervus yesoensis –
- †Cethocyrtis –
- †Cetorhinus –
- †Chaenogobius –
- †Chama –
- †Chama dunkeri – or unidentified comparable form
- †Chama lazarus –
- †Chama lobata –
- †Chama reflexa – or unidentified comparable form
- †Chama reflexa –
- †Chama semipurpurata –
- †Chama sp. –
- †Chamaecyparis –
- †Charonia –
- †Charonia sauliae – or unidentified comparable form
- †Charonia sauliae –
- †Charonia sp. –
- †Charybdis –
- †Charybdus –
- †Chauliodus –
- †Cheilea –
- †Cheilea layardii –
- †Cheilea sp. –
- †Cheirotonus –
- †Cheirotonus otai – type locality for species
- †Chemnitzia –
- †Chemnitzia sp. 1 – informal
- †Chemnitzia sp. 2 – informal
- †Chemnitzia sp. 3 – informal
- †Chenopodium –
- †Chicoreus –
- †Chicoreus anuliferous – or unidentified related form
- †Chicoreus asano – or unidentified comparable form
- †Chicoreus asanoi –
- †Chicoreus asianus –
- †Chicoreus capuchinus –
- †Chicoreus capucinus –
- †Chicoreus microphyllus – or unidentified comparable form
- †Chicoreus notoensis – or unidentified comparable form
- †Chicoreus saulii –
- †Chicoreus scaber –
- †Chicoreus sp. –
- †Chionanthus –
- †Chione – report made of unidentified related form or using admittedly obsolete nomenclature
- †Chione –
- †Chione marica –
- †Chione mindanensis –
- †Chione sp. –
- †Chione tateiwai –
- †Chione yabei – type locality for species
- †Chlaenius –
- †Chlaenius gebleri –
- †Chlaenius sp. –
- †Chlaenius spp. –
- †Chlamydoselachus –
- †Chlamys – tentative report
- †Chlamys –
- †Chlamys arakawai – or unidentified comparable form
- †Chlamys ashiyaensis –
- †Chlamys cosibensis –
- †Chlamys farreri –
- †Chlamys gracilisquamosa – or unidentified comparable form
- †Chlamys halimensis –
- †Chlamys hanzawae –
- †Chlamys historicus –
- †Chlamys ingeniosa – or unidentified related form
- †Chlamys itogawae –
- †Chlamys iwakiana –
- †Chlamys iwamuraensis –
- †Chlamys kaneharai –
- †Chlamys kotorana – or unidentified related form
- †Chlamys laetus –
- †Chlamys mabuchii –
- †Chlamys matsumoriensis –
- †Chlamys meisensis – or unidentified comparable form
- †Chlamys miurensis –
- †Chlamys namigataensis –
- †Chlamys nipponensis – or unidentified comparable form
- †Chlamys nipponensis –
- †Chlamys nisataiensis – or unidentified comparable form
- †Chlamys nobilis –
- †Chlamys otukae – or unidentified comparable form
- †Chlamys satoi –
- †Chlamys senatorius –
- †Chlamys shitakaraensis –
- †Chlamys sp. –
- †Chlamys squamata – or unidentified comparable form
- †Chlamys swifti –
- †Chlamys tamurae –
- †Chlamys tanassevitchi –
- †Chlamys tanassevitschi –
- †Chlorostoma –
- †Chrysallida –
- †Chrysodomus –
- †Chrysostoma –
- †Cibicides –
- †Cibicides lobatulus – or unidentified comparable form
- †Cibicides pseudougerinus –
- †Cibicides sp. –
- †Ciliatocardium –
- †Ciliatocardium asagaiense –
- †Ciliatocardium ciliatum – or unidentified comparable form
- †Ciliatocardium ciliatum –
- †Ciliatocardium hataii – or unidentified comparable form
- †Ciliatocardium shinjiense –
- †Cimbex –
- †Cimbex sp. –
- †Cingulina –
- †Cinnamomum –
- †Cinnamomum camphora – or unidentified comparable form
- †Cinnamomum camphora –
- †Cinnamomum japonicum – or unidentified comparable form
- †Cinnamomum nagatoense –
- †Cinnamomum naitoanum –
- †Cipangopaludina –
- †Cipangopaludina ishikariensis – tentative report
- †Cipangopaludina ishikariensis –
- †Cipangopaludina isikariensis –
- †Cipangopaludina jimboi –
- †Cipangopaludina sorachiensis – tentative report
- †Cipangoplaudina –
- †Circe –
- †Circe sp. –
- †Cirsochilus –
- †Cirsotrema –
- †Cirsotrema suboptima – type locality for species
- †Clacus –
- †Clacus pica –
- †Cladogramma –
- †Cladrastis – tentative report
- †Cladrastis –
- †Cladrastis aniensis – tentative report
- †Cladrastis aniensis –
- †Cladrastis inouei –
- †Cladrastis platycarpa – or unidentified comparable form
- †Cladrastis shikokiana – or unidentified comparable form
- †Cladrastis sp. –
- †Claibornites –
- †Clanculus –
- †Clathrodillia –
- †Clathrodillia jeffreysii – or unidentified comparable form
- †Clathrofenella –
- †Clathurella –
- †Clavatula –
- †Clavatula kakegawensis – or unidentified comparable form
- †Clavus –
- †Clavus sp. –
- †Clementia –
- †Clementina –
- †Cleotrivia –
- †Clethra – tentative report
- †Clethra –
- †Clidoderma –
- †Clinocardium – tentative report
- †Clinocardium –
- †Clinocardium andoi –
- †Clinocardium californiense –
- †Clinocardium decoratum –
- †Clinocardium fastosum –
- †Clinocardium hatsusense – type locality for species
- †Clinocardium nuttallii –
- †Clinocardium ogurai –
- †Clinocardium okushirense –
- †Clinocardium omagariense –
- †Clinocardium shinjiensis –
- †Clinocardium sp. –
- †Clio –
- †Clio pyramidata –
- †Clio pyramidate –
- †Clio virgula –
- †Clithon –
- †Clypeomorus –
- †Clypeomorus coralium – or unidentified comparable form
- †Clypeomorus coralius –
- †Coccconeis –
- †Cocconeis –
- †Cocculina –
- †Cocculus – tentative report
- †Cocculus –
- †Cocculus sp. –
- †Cocculus trilobus – or unidentified comparable form
- †Codakia –
- †Coelastrea –
- †Coelorhynchus –
- †Coelostoma –
- †Coelostoma orbiculare – tentative report
- †Coelostoma orbiculare –
- †Coelostoma sp. –
- †Coelostoma stultum –
- †Coerospondias –
- †Collinsius –
- †Collonista –
- †Colpophyllia –
- †Colpospira –
- †Colubraria –
- †Columbella –
- †Colus –
- †Colus fujimotoi – or unidentified comparable form
- †Colus periscelidus –
- †Colus sp. –
- †Cominella –
- †Comitas –
- †Comitas sp. –
- †Compsodillia –
- †Compsodrillia – tentative report
- †Compsodrillia –
- †Compsomyax –
- †Conasprella –
- †Conasprella aculeiformis – or unidentified comparable form
- †Conasprella comatosa –
- †Conchocele –
- †Conotrochus –
- †Conus – tentative report
- †Conus – report made of unidentified related form or using admittedly obsolete nomenclature
- †Conus –
- †Conus capitaneus – or unidentified related form
- †Conus capitaneus – or unidentified comparable form
- †Conus comatosaeformis –
- †Conus cosmetelus –
- †Conus cosmetulus – or unidentified comparable form
- †Conus djarianensis – or unidentified related form
- †Conus ebraeus – or unidentified comparable form
- †Conus eburneus – or unidentified comparable form
- †Conus generalis – or unidentified comparable form
- †Conus geographus –
- †Conus glans – or unidentified comparable form
- †Conus gratacapi –
- †Conus kikaiensis –
- †Conus lignarius –
- †Conus litteratus – or unidentified comparable form
- †Conus lividus – or unidentified comparable form
- †Conus lividus –
- †Conus loochooensis –
- †Conus magus – or unidentified comparable form
- †Conus marmoreus – or unidentified comparable form
- †Conus miles –
- †Conus mucronatus –
- †Conus musatella – or unidentified related form
- †Conus planorbis – or unidentified comparable form
- †Conus precancellatus –
- †Conus raphanus – or unidentified related form
- †Conus shimajiriensis –
- †Conus sieboldianus –
- †Conus sielboldianus –
- †Conus sp. –
- †Conus textile – or unidentified related form
- †Conus tokunagai – or unidentified comparable form
- †Conus tokunagai –
- †Conus toyamaensis –
- †Conus tulipa –
- †Conus virgo – or unidentified related form
- †Conus voluminalis –
- †Conus yabei – or unidentified comparable form
- †Copepteryx – type locality for genus
- †Copepteryx –
- †Copepteryx hexeris – type locality for species
- †Copepteryx hexeris –
- †Copepteryx titan – type locality for species
- †Coptothyris –
- †Corallina –
- †Corallina cossmanni – or unidentified comparable form
- †Corallina matansa –
- †Corallina prisca –
- †Coralliophila –
- †Coralliophila costularis – or unidentified comparable form
- †Coralliophila deformis –
- †Coralliophila hataii –
- †Coralliophila iwaensis –
- †Corbicula –
- †Corbicula japonica –
- †Corbicula kotakai –
- †Corbicula nagaoi –
- †Corbicula sakakibarai –
- †Corbicula sitakaraensis – or unidentified comparable form
- †Corbicula sitakaraensis –
- †Corbicula sp. –
- †Corbicula tokudai – tentative report
- †Corbicula tokudai –
- †Corbicula ueji – type locality for species
- †Corbula – tentative report
- †Corbula –
- †Corbula ohiroi –
- †Corbula osawanoensis –
- †Corbula rotalis –
- †Corbula sp. –
- †Corbula ventusta –
- †Corbula venusta – or unidentified comparable form
- †Corbula venusta –
- †Corbula yokoyamai –
- †Cordia –
- †Cordium –
- †Cordium sp. –
- †Cordosphaeridium –
- †Coriaria –
- †Coriaria japonica – or unidentified comparable form
- †Cornopteris –
- †Cornus –
- †Cornus megaphylla –
- †Cornus miowalteri – or unidentified comparable form
- †Coronasyrinx –
- †Corylopsis –
- †Corylus –
- †Corylus heterophylla – or unidentified comparable form
- †Corylus sp. –
- †Corylus subsieboldiana –
- †Coscinaraea – tentative report
- †Coscinaraea –
- †Coscinaraea columna – tentative report
- †Coscinaraea columna –
- †Coscinaraea sp. – type locality for species
- †Coscinaraea sp. –
- †Coscinodiscus –
- †Cosmiodiscus –
- †Cosoryx –
- †Cosoryx furcatus – or unidentified related form
- †Costalynia –
- †Crassatella – report made of unidentified related form or using admittedly obsolete nomenclature
- †Crassatella –
- †Crassatella fusca –
- †Crassatella nagahamai –
- †Crassatella nipponensis –
- †Crassatella oblongata –
- †Crassatella pauxilla – or unidentified comparable form
- †Crassatella pauxilla –
- †Crassatella sp. –
- †Crassatella takanabensis –
- †Crassatella yabei –
- †Crassatella yessoensis –
- †Crassatellites –
- †Crassispira –
- †Crassispira hataii –
- †Crassispira pseudoprincipalis – or unidentified comparable form
- †Crassispira pseudoprincipalis –
- †Crassopleura –
- †Crassopleura brevis – or unidentified related form
- †Crassostrea – tentative report
- †Crassostrea – report made of unidentified related form or using admittedly obsolete nomenclature
- †Crassostrea –
- †Crassostrea gigas –
- †Crassostrea gravitesta – or unidentified comparable form
- †Crassostrea gravitesta –
- †Crassostrea pretigris –
- †Crassostrea sp. –
- †Crassostrea sunakozakaensis –
- †Crassotrea –
- †Crataegus –
- †Crenella –
- †Crenella striatocostata –
- †Crenella type locality for species A – informal
- †Crepidula – tentative report
- †Crepidula –
- †Crepidula grandis – or unidentified comparable form
- †Crepidula isimotoi –
- †Crepidula jimboana –
- †Crepidula matajiroi –
- †Crepidula nidatoriensis – or unidentified comparable form
- †Crepidula sp. –
- †Crepidula tainohataensis – type locality for species
- †Creseis –
- †Cribroperidinium –
- †Cristaria –
- †Crocidura –
- †Cryptomeria –
- †Cryptomya – tentative report
- †Cryptomya –
- †Cryptonatica – tentative report
- †Cryptonatica –
- †Cryptopecten – or unidentified comparable form
- †Cryptopecten –
- †Crytocapsella –
- †Ctena –
- †Ctena bella –
- †Ctena divergens –
- †Ctena hataii –
- †Ctena okinawazimana –
- †Ctenocheles –
- †Ctenoides –
- †Cucullaea –
- †Cultellus –
- †Culutellus –
- †Cunninghamia –
- †Cuspeulima –
- †Cuspidaria –
- †Cuspidaria teramachii – or unidentified related form
- †Cuvierina –
- †Cyathotrochus –
- †Cycas –
- †Cycas fujiiana – type locality for species
- †Cycladicama –
- †Cyclammina –
- †Cyclammina ezoensis –
- †Cyclammina incisa – or unidentified comparable form
- †Cyclammina sp. –
- †Cyclina – tentative report
- †Cyclina –
- †Cyclina hwabongriensis –
- †Cyclina japonica – or unidentified comparable form
- †Cyclina japonica –
- †Cyclina lunulata – or unidentified comparable form
- †Cyclina lunulata –
- †Cyclina nodai – or unidentified related form
- †Cyclina orientalis –
- †Cyclina shirokiana –
- †Cyclina sp. –
- †Cyclina takeyamai –
- †Cyclobalanopsis –
- †Cyclocardia –
- †Cyclocardia abesinaiensis –
- †Cyclocardia akagii – or unidentified comparable form
- †Cyclocardia eoensis –
- †Cyclocardia ezoensis –
- †Cyclocardia ferrugianea –
- †Cyclocardia ferruginea – or unidentified comparable form
- †Cyclocardia ferruginea –
- †Cyclocardia fujinaensis –
- †Cyclocardia laxata –
- †Cyclocardia myogadaniensis –
- †Cyclocardia orbica –
- †Cyclocardia otatsumei –
- †Cyclocardia pornaiensis –
- †Cyclocardia poronaiensis – type locality for species
- †Cyclocardia siogamensis –
- †Cyclocardia sp. –
- †Cyclocardia tokudai –
- †Cyclocardia tokunagai –
- †Cyclocardia vestitoides – or unidentified comparable form
- †Cyclocardia yokoyamai –
- †Cyclocardia yoshidai – or unidentified comparable form
- †Cyclocarya –
- †Cyclodicama –
- †Cycloseris –
- †Cycloseris costulata –
- †Cycloseris cyclolites –
- †Cycloseris distorta –
- †Cycloseris fragilis – tentative report
- †Cycloseris patelliformis –
- †Cycloseris sp. –
- †Cyclostrema –
- †Cyclotella –
- †Cyclothone –
- †Cyclottella –
- †Cylichna –
- †Cylichnatys –
- †Cylindrichnus –
- †Cyllene –
- †Cyllene gracilenta –
- †Cyllene pulchella – or unidentified related form
- †Cymatium – tentative report
- †Cymatium –
- †Cymatoceras –
- †Cymatosira –
- †Cynarina –
- †Cyphastrea –
- †Cypraea – report made of unidentified related form or using admittedly obsolete nomenclature
- †Cypraea –
- †Cypraea ohiroi – type locality for species
- †Cypraea ohiroi – or unidentified comparable form
- †Cypraea ohiroi –
- †Cypraea sp. –
- †Cyrtocapsella –
- †Cythara – report made of unidentified related form or using admittedly obsolete nomenclature
- †Cythara –
- †Cythara china –
- †Cythara deshayesii –
- †Cythara sp. – tentative report
- †Cythara sp. –
- †Cytharella –
- †Dalatias –
- †Dalatias licha –
- †Dalatias sp. –
- †Daldorfia –
- †Daphne – tentative report
- †Daphne sp. –
- †Daphnella –
- †Dardanus –
- †Dasmosmilia –
- †Dasyatis –
- †Decatopecten –
- †Decatopecten plica – or unidentified comparable form
- †Decatopecten plica –
- †Decorifer –
- †Delecopecten –
- †Delectopecten –
- †Delphinapterus –
- †Delphineis –
- †Delphineis angustata – or unidentified comparable form
- †Delphineis sp. –
- †Delphineis surirella –
- †Delphinodon – or unidentified related form
- †Delphinula –
- †Delphinus – report made of unidentified related form or using admittedly obsolete nomenclature
- †Delphinus –
- †Delphinus delphis –
- †Delphinus rikuzenensis – type locality for species
- †Deltoidonautilus –
- †Deltoidonautilus okinoshimensis – type locality for species
- †Deltoidonautilus okinoshimensis –
- †Dendostrea –
- †Dendropanax –
- †Dendrophyllia –
- †Dendrophyllia koiwaii – type locality for species
- †Dentalina –
- †Dentalium – report made of unidentified related form or using admittedly obsolete nomenclature
- †Dentalium –
- †Dentalium ashiyaensis –
- †Dentalium buccinulum –
- †Dentalium corscum –
- †Dentalium nunomae –
- †Dentalium octangulatum –
- †Dentalium sp. –
- †Dentalium toyamaense –
- †Dentalium weinkauffi – tentative report
- †Dentalium yokoyamai –
- †Dentarene –
- †Denticulopsis –
- †Depressiscala –
- †Dermatolithon –
- †Desmodium –
- †Desmostylus – type locality for genus
- †Desmostylus – tentative report
- †Desmostylus –
- †Desmostylus hesperus – type locality for species
- †Desmostylus hesperus – or unidentified comparable form
- †Desmostylus hesperus –
- †Desmostylus sp. –
- †Deutzia –
- †Deutzia crenata – or unidentified comparable form
- †Deutzia sp. –
- †Diacria –
- †Diala –
- †Diala vaira –
- †Diaphus –
- †Diaphus muraii –
- †Diaphus sp. –
- †Diloma – report made of unidentified related form or using admittedly obsolete nomenclature
- †Diloma sp. –
- †Dimorphastrea – tentative report
- †Dinocardium –
- †Diodon –
- †Diodon sp. –
- †Diodora –
- †Diorocetus –
- †Diorocetus chichibuensis – type locality for species
- †Diorocetus shobarensis – type locality for species
- †Diorocetus sp. –
- †Diospyros –
- †Diplazium –
- †Diploastrea –
- †Diplodonta – report made of unidentified related form or using admittedly obsolete nomenclature
- †Diplodonta –
- †Diplodonta ferruginata –
- †Diplodonta gouldi –
- †Diplodonta sp. –
- †Diplodonta usta – or unidentified comparable form
- †Diplodonta usta –
- †Diplothrix –
- †Dipsastraea –
- †Dipsastraea amicorum –
- †Dipsastraea favus –
- †Dipsastraea laxa – ex gr.
- †Dipsastraea laxa –
- †Dipsastraea lizardensis –
- †Dipsastraea maxima – ex gr.
- †Dipsastraea maxima –
- †Dipsastraea pallida – or unidentified comparable form
- †Dipsastraea pallida – ex gr.
- †Dipsastraea pallida –
- †Dipsastraea sp. –
- †Dipsastraea speciosa –
- †Discors –
- †Discors lyrata – or unidentified related form
- †Discors lyrata – or unidentified comparable form
- †Discors lyratum –
- †Discors sp. –
- †Distorsio –
- †Distylium –
- †Dodonaea –
- †Dolicholatirus –
- †Dolicholatirus acus – or unidentified comparable form
- †Donacia –
- †Donacia clavareaui – tentative report
- †Donacia clavareaui –
- †Donacia flemora –
- †Donacia hiurai – or unidentified comparable form
- †Donacia japana –
- †Donacia lenzi –
- †Donacia ozensis – tentative report
- †Donacia ozensis – or unidentified comparable form
- †Donacia ozensis –
- †Donacia provosti – or unidentified comparable form
- †Donacia sp. – informal
- †Donacia sp. –
- †Donacia sparganii –
- †Donacia splendens – tentative report
- †Donacia splendens –
- †Donacia spp. –
- †Donacia uedana – type locality for species
- †Donacia uedana –
- †Donacia versicolorea – or unidentified comparable form
- †Donacia vulgaris – tentative report
- †Donacia vulgaris –
- †Donaciella –
- †Donax –
- †Donax sp. –
- †Dosinia – tentative report
- †Dosinia –
- †Dosinia akaisiana –
- †Dosinia amphidesmoides –
- †Dosinia angulosa – or unidentified comparable form
- †Dosinia angulosa –
- †Dosinia chikuzenensis –
- †Dosinia ettyuensis –
- †Dosinia hataii –
- †Dosinia histrio –
- †Dosinia japonica –
- †Dosinia kaneharai – or unidentified comparable form
- †Dosinia kaneharai –
- †Dosinia nomurai –
- †Dosinia owadaensis – or unidentified comparable form
- †Dosinia penicillata –
- †Dosinia sp. –
- †Dosinia steinmanni – or unidentified related form
- †Dosinia suketoense –
- †Dosinia suketoensis – or unidentified comparable form
- †Dosinia suketoensis –
- †Dosinia tomikawensis – or unidentified comparable form
- †Dosinia tomikawensis –
- †Dosinia troscheli – or unidentified comparable form
- †Dosinia troscheli –
- †Dosinia undulata –
- †Drupa –
- †Dunkeria –
- †Duplicaria –
- †Duplicaria osawanoensis – or unidentified comparable form
- †Duplicaria tsuboiana – or unidentified comparable form
- †Dusisiren –
- †Dusisiren dewana – type locality for species
- †Dusisiren sp. –
- †Dusisiren takasatensis – type locality for species
- †Dysmea –
- †Dytiscus –
- †Dytiscus sp. –
- †Ebalia –
- †Echinodiscus –
- †Echinomorpha –
- †Echinophoria –
- †Echinophyllia –
- †Echinopora –
- †Echinopora gemmacea –
- †Echinopora hirsutissima –
- †Echinopora lamellosa – tentative report
- †Echinopora lamellosa –
- †Echinopora mammiformis –
- †Echinopora pacificus –
- †Echinopora sp. –
- †Egilina –
- †Eglisia –
- †Ehretia – tentative report
- †Ehretia –
- †Ehretia sp. –
- †Elaeocarpus –
- †Elaeocyma –
- †Elaeocyma braunsi – or unidentified related form
- †Elaphe –
- †Elaphrus –
- †Elasmophyllia – tentative report
- †Elasmucha – tentative report
- †Elomeryx –
- †Elomeryx japonicus – type locality for species
- †Elomeryx japonicus –
- †Elomeryx sp. –
- †Elphidium –
- †Elphidium asagaiense – type locality for species
- †Elphidium sorachiense –
- †Elphidium sp. –
- †Elphidium yumotoense – type locality for species
- †Emarginula –
- †Endopachys –
- †Enginopsis –
- †Ennucula –
- †Ennucula nipponica – or unidentified comparable form
- †Ennucula osawanoensis –
- †Ennucula praenipponica –
- †Ennucula sp. –
- †Entelodon –
- †Entodesma –
- †Enzinopsis –
- †Eoclichna –
- †Eocylichna –
- †Eodelphinus –
- †Eopleurotoma –
- †Eopleurotoma higoensis – tentative report
- †Eopleurotoma higoensis –
- †Eosardinella –
- †Epicodakia –
- †Epilobium –
- †Epitonium – report made of unidentified related form or using admittedly obsolete nomenclature
- †Epitonium –
- †Eratoena –
- †Ergaea –
- †Erosaria –
- †Erronea –
- †Erronea cincta – or unidentified related form
- †Erronea sp. –
- †Eschrichtius –
- †Ethalia –
- †Etrema –
- †Eubalaena –
- †Eubalaena glacialis –
- †Eubalaena shinshuensis – type locality for species
- †Eucalliax –
- †Euchelus –
- †Euclathurella –
- †Eucrassatella –
- †Eudolium –
- †Eudolium sp. –
- †Eufenella –
- †Eugomphudus –
- †Eumetopias –
- †Eumetopias japonicus –
- †Eumetopias jubata – or unidentified related form
- †Eumetopias jubata –
- †Eumetopias kishidai – type locality for species
- †Eumetopias ojiyaensis – type locality for species
- †Eumetopias sp. –
- †Eunaticina –
- †Euodia –
- †Euodia rutaecarpa – or unidentified comparable form
- †Euodia rutaecarpa –
- †Euphyllia –
- †Euptelea –
- †Euptelea polyandra – or unidentified comparable form
- †Eurhinodelphis – tentative report
- †Eurhinodelphis –
- †Eurhinodelphis minoensis – type locality for species
- †Eurhinodelphis minoensis –
- †Eurhinodelphis pacificus – type locality for species
- †Eurhinodelphis sp. –
- †Eurhinodelphis sp. A – informal
- †Eurhinodelphis sp. B – informal
- †Eurya –
- †Eurya sp. –
- †Eusarcoris –
- †Eusarcoris shimozukensis – type locality for species
- †Euscaphis –
- †Euscaphis japonica – or unidentified comparable form
- †Eusilpha –
- †Euspira – report made of unidentified related form or using admittedly obsolete nomenclature
- †Euspira –
- †Euspira aritensis –
- †Euspira karatsuensis –
- †Euspira meisensis –
- †Euspira pallida – or unidentified comparable form
- †Euspira pila –
- †Euspira sp. –
- †Eutrephoceras –
- †Eutrephoceras izumoensis – type locality for species
- †Eutrephoceras izumoensis –
- †Eutrephoceras japonicus – type locality for species
- †Eutrephoceras japonicus –
- †Ezocallista –
- †Fabulina – report made of unidentified related form or using admittedly obsolete nomenclature
- †Fabulina –
- †Fagara –
- †Fagara sp. –
- †Fagus –
- †Fagus crenata –
- †Fagus japonica –
- †Fagus microcarpa –
- †Fagus palaeojaponica –
- †Fagus sp. –
- †Fagus stuxbergii – or unidentified comparable form
- †Fagus stuxbergii –
- †Fasciolaria –
- †Fasciolaria trapezium – or unidentified comparable form
- †Fasciolaria trapezium –
- †Faujasina – tentative report
- †Faunus – tentative report
- †Faunus –
- †Faunus miikensis –
- †Faunus nipponicus –
- †Faunus sp. –
- †Favia –
- †Favia magnistellata –
- †Favia maritima –
- †Favia sp. –
- †Favia spp. –
- †Favites – tentative report
- †Favites –
- †Favites abdita – or unidentified comparable form
- †Favites abdita – ex gr.
- †Favites abdita –
- †Favites chinensis –
- †Favites complanata – tentative report
- †Favites flexuosa –
- †Favites micropentagona –
- †Favites pentagona –
- †Favites rotundata –
- †Favites sp. –
- †Favites stylifera –
- †Fedaiella –
- †Felaniella –
- †Feresa –
- †Ferganea – tentative report
- †Ferganea sp. –
- †Ficus – report made of unidentified related form or using admittedly obsolete nomenclature
- †Ficus –
- †Ficus intermedia –
- †Ficus naitoi –
- †Ficus sp. –
- †Ficus subintermedia –
- †Ficus tiliaefolia – or unidentified comparable form
- †Ficus tiliaefolia –
- †Fimbria –
- †Fimbria sp. –
- †Fissidentalium –
- †Fissidentalium sp. –
- †Fissidentalium yokokamai –
- †Fissidentalium yokoyamai – or unidentified comparable form
- †Fissidentalium yokoyamai –
- †Flabellum –
- †Flabellum distinctum –
- †Flabellum pavoninum – or unidentified comparable form
- †Flabellum rubrum –
- †Flabellum sp. –
- †Flabellum transversale –
- †Formica – tentative report
- †Formica sp. A – informal
- †Formica sp. B – informal
- †Fortipecten –
- †Fortunearia –
- †Fragilaria –
- †Fragum –
- †Fragum alfuricum – or unidentified related form
- †Fragum fragum –
- †Fragum sp. –
- †Fragum unedo –
- †Fraxinus –
- †Fraxinus kyamadae – or unidentified related form
- †Fraxinus miyataensis – or unidentified comparable form
- †Fraxinus sanzugawaensis –
- †Fraxinus sp. –
- †Fulgoraria –
- †Fulgoraria delicata –
- †Fulgoraria hirasei – or unidentified related form
- †Fulgoraria hirasei –
- †Fulgoraria prevostiana –
- †Fulgoraria sinziensis –
- †Fulgoraria sp. –
- †Fulgoraria striata – report made of unidentified related form or using admittedly obsolete nomenclature
- †Fulgoraria striata – or unidentified comparable form
- †Fulgoraria tokunagai – or unidentified comparable form
- †Fulgoraria totomiensis –
- †Fulvia –
- †Fulvia mutica –
- †Fulvia sp. –
- †Fungia –
- †Fungia fungites – or unidentified comparable form
- †Fungia granulosa – or unidentified comparable form
- †Fungia paumotensis – or unidentified comparable form
- †Fungia scutaria –
- †Fungia sp. –
- †Fungiacyathus –
- †Fusimitra –
- †Fusinus – tentative report
- †Fusinus – or unidentified comparable form
- †Fusinus –
- †Fusinus colus – or unidentified comparable form
- †Fusinus gracillinus –
- †Fusinus nicobaricus –
- †Fusinus nodosoplicatus – or unidentified comparable form
- †Fusinus perplexus –
- †Fusinus pyrulatus –
- †Fusinus simplex –
- †Fusinus sp. –
- †Fusisyrinx –
- †Gadila –
- †Gadila sp. –
- †Gafrarium –
- †Galaxea –
- †Galaxea astreata –
- †Galaxea fascicularis – tentative report
- †Galaxea fascicularis –
- †Galaxea horrescens –
- †Galaxea sp. –
- †Galeoastraea –
- †Galeocerdo –
- †Galeorhinus –
- †Galeus –
- †Galeus sp. –
- †Gardineroseris –
- †Gari –
- †Gastrochaena –
- †Gastrolina –
- †Gastrolina peltoidea – tentative report
- †Gavia –
- †Gemmula – tentative report
- †Gemmula –
- †Gemmula asukana – or unidentified related form
- †Gemmula granosa – or unidentified comparable form
- †Gemmula granosa –
- †Gemmula ina –
- †Gemmula indica – or unidentified comparable form
- †Gemmula okinavensis –
- †Gemmula sp. – type locality for species
- †Gemmula sp. –
- †Gemmula totomiensis –
- †Geoemyda –
- †Geotrupes –
- †Gibbolucina –
- †Ginebis –
- †Ginkgo –
- †Giraffa –
- †Glans –
- †Glans sp. –
- †Glaphyrocysta –
- †Glaphyrocysta intricata – or unidentified comparable form
- †Glaphyrocysta pastielsii –
- †Gleditsia –
- †Glirulus –
- †Globicephala –
- †Globicephala macrorhynchus – type locality for species
- †Globicephala macrorhynchus –
- †Globicephala sp. –
- †Globigerina –
- †Globigerinoides –
- †Globobulimina –
- †Globorotalia –
- †Globularia –
- †Globularia nakamurai – or unidentified comparable form
- †Globularia nakamurai –
- †Gloripallium –
- †Glycimeris –
- †Glycymeris –
- †Glycymeris albolineata –
- †Glycymeris altoumbonata – or unidentified comparable form
- †Glycymeris cisshuensis – or unidentified comparable form
- †Glycymeris cisshuensis –
- †Glycymeris decussata –
- †Glycymeris hanzawai – type locality for species
- †Glycymeris idensis –
- †Glycymeris minoensis – or unidentified comparable form
- †Glycymeris minoensis –
- †Glycymeris nipponica –
- †Glycymeris reevei –
- †Glycymeris rotunda –
- †Glycymeris sp. –
- †Glycymeris subpectiniformis – type locality for species
- †Glycymeris vestita – or unidentified comparable form
- †Glycymeris vestita –
- †Glycymeris yessoensis –
- †Glyphostoma –
- †Glyptophium –
- †Glyptostobus –
- †Glyptostrobus –
- †Gnathoncus –
- †Gomphina –
- †Goniastrea –
- †Goniastrea edwardsi –
- †Goniastrea favulus –
- †Goniastrea parvistella –
- †Goniastrea pectinata – or unidentified comparable form
- †Goniastrea pectinata –
- †Goniastrea retiformis –
- †Goniastrea sp. –
- †Goniastrea stelligera –
- †Goniopora –
- †Gonostoma –
- †Grammatophora –
- †Grampus –
- †Granulifusus –
- †Granuliterebra –
- †Graptopsaltria –
- †Graptopsaltria inaba – type locality for species
- †Graptopsaltria sp. –
- †Guildfordia –
- †Gyatermes –
- †Gyatermes naganoensis – type locality for species
- †Gyrineum –
- †Gyrinus –
- †Gyrinus sp. –
- †Gyrodes – tentative report
- †Gyrodes sp. –
- †Gyroidina –
- †Haborophocoena – type locality for genus
- †Haborophocoena –
- †Haborophocoena minutus – type locality for species
- †Haborophocoena toyoshimai – type locality for species
- †Haborophocoena toyoshimai –
- †Hadecardium – report made of unidentified related form or using admittedly obsolete nomenclature
- †Halesia –
- †Halesia sp. –
- †Haliaeetus –
- †Haliaeetus pelagicus – or unidentified comparable form
- † Halice –
- †Halice sp. –
- †Halimeda –
- †Halimeda sp. –
- †Haliotis –
- †Haliotis diversicolor – or unidentified comparable form
- †Haliotis gigantea –
- †Haliotis japonicum –
- †Hanzawaia –
- †Haplophragmoides –
- †Hartungia –
- †Hartungia elegans – type locality for species
- †Hartungia elegans –
- †Hartungia japonica –
- †Hataiella –
- †Hataiella sagai – or unidentified comparable form
- †Haumea –
- †Haumea inaequivalvis – or unidentified related form
- †Haumea inaequivalvis –
- †Haustellum –
- †Haustellum bonneti – or unidentified comparable form
- †Hedecardium – report made of unidentified related form or using admittedly obsolete nomenclature
- †Heliacus –
- †Heliacus dorsuosus – or unidentified comparable form
- †Heliacus sp. –
- †Heliconoides –
- †Heliocopris –
- †Heliocopris antiquus – type locality for species
- †Heliopora –
- †Hemipristis –
- †Hemithiris –
- †Heptacodium –
- †Heptranchias –
- †Herpetocetus – report made of unidentified related form or using admittedly obsolete nomenclature
- †Herpetocetus –
- †Hespererato –
- †Hestina –
- †Heterocyathus –
- †Heterodontus –
- †Heteropsammia –
- †Heteropsammia ovalis – or unidentified comparable form
- †Heteropsammia ovalis –
- †Hexanchus –
- †Hexapus –
- †Hiatella –
- †Hiatula –
- †Hiatula minoensis – or unidentified comparable form
- †Hiatula minoensis –
- †Hiatula sp. –
- †Hibacetus – type locality for genus
- †Hibacetus hirosei – type locality for species
- †Higotherium – type locality for genus
- †Higotherium hypsodon – type locality for species
- †Hindsia –
- †Hipponix –
- †Hipponix conicus –
- †Hipponix foliaceus –
- †Hipponix lissus – or unidentified comparable form
- †Hippopus –
- †Hirtomurex –
- †Hister –
- †Hodotermopsis –
- †Hodotermopsis iwatensis – type locality for species
- †Hokkaidornis – type locality for genus
- †Hokkaidornis abashiriensis – type locality for species
- †Homalopoma –
- †Homalopoma aumussitatum –
- †Homalopoma sangarensis – or unidentified comparable form
- †Homalopoma sp. –
- †Homolopsis –
- †Homolopsis japonicus – type locality for species
- †Howella –
- †Howella sp. –
- †Hubertschenckia –
- †Hyalinea –
- †Hyalodiscus –
- †Hyas –
- †Hydnophora –
- †Hydrangea –
- †Hydrangea petiolaris – or unidentified comparable form
- †Hydrangea sp. –
- †Hydrochara –
- †Hydrodamalis –
- †Hydrolithon –
- †Hydrophilus –
- †Hyla –
- †Hyopsodus –
- †Hyopsodus sp. nov. A – informal
- †Hyopsodus sp. nov. B – informal
- †Hyotissa –
- †Hyrachyus – or unidentified comparable form
- †Hyriopsis –
- †Ichthyococcus –
- †Idiocetus – report made of unidentified related form or using admittedly obsolete nomenclature
- †Ilex – or unidentified comparable form
- †Ilex –
- †Ilex nagatoensis –
- †Ilex rotunda –
- †Ilex serrata – or unidentified comparable form
- †Ilex sp. –
- †Ilex subcornuta –
- †Illicium – tentative report
- †Illicium –
- †Ilybius – tentative report
- †Ilybius –
- †Ilybius apicalis – tentative report
- †Ilybius sp. –
- †Imaizumila –
- †Indocrassatella –
- †Indopacetus –
- †Inella –
- †Inquisitor – tentative report
- †Inquisitor –
- †Irus –
- †Isanacetus – type locality for genus
- †Isanacetus –
- †Isanacetus laticephalus – type locality for species
- †Isanacetus laticephalus –
- †Isectolophus –
- †Isectolophus sp. nov. – informal
- †Isognomon – tentative report
- †Isognomon –
- †Isopora –
- †Isopora crateriformis – tentative report
- †Isopora palifera – or unidentified comparable form
- †Isopora palifera –
- †Isurus – tentative report
- †Isurus –
- †Isurus benedeni –
- †Isurus desori –
- †Isurus haslalis –
- †Isurus oxyrinchus –
- †Isurus paucus –
- †Isurus planus –
- †Isurus retroflexus –
- †Isurus sp. –
- †Ithycythara –
- †Itoigawaia –
- †Izuus – type locality for genus
- †Izuus nakamurai – type locality for species
- †Jania –
- †Jania mayei –
- †Janiopsis –
- †Janthina –
- †Japelion –
- †Joannisiella – tentative report
- †Joannisiella –
- †Joumocetus – type locality for genus
- †Joumocetus shimizui – type locality for species
- †Juglans –
- †Kalopanax –
- †Kelletia –
- †Kellia –
- †Kellia minutissima – or unidentified related form
- †Kentriodon –
- †Kentriodon hobetsu – type locality for species
- †Kentriodon sp. –
- †Keteleeria –
- †Kiimetra – type locality for genus
- †Kiimetra miocenica – type locality for species
- †Kikaiarca –
- †Kikaiarca kikaizimana – type locality for species
- †Koelreuteria – tentative report
- †Koelreuteria –
- †Kogia –
- †Kogia breviceps –
- †Kogia prisca –
- †Konosirus –
- †Kotorapecten –
- †Kuhlia –
- †Kuhlia sp. –
- †Kuphus –
- †Kuphus sp. –
- †Lachryma –
- †Lacuna –
- †Lacuna sp. –
- †Laevicardium – tentative report
- †Laevicardium –
- †Laevicardium angustum –
- †Laevicardium biradiatum – or unidentified comparable form
- †Laevicardium biradiatum –
- †Laevicardium elongatum – or unidentified comparable form
- †Laevicardium shiobarense – or unidentified comparable form
- †Laevicardium shiobarense –
- †Laevicardium sp. –
- †Laevicardium unicolor –
- †Laevichlamys –
- †Laevidentalium –
- †Laeviscala –
- †Lagenodelphis –
- †Lagenorhynchus –
- †Lamellastraea – tentative report
- †Lamna –
- †Lamna ditropis –
- †Lamna sp. –
- †Lampadena –
- †Lampadena nanae –
- †Lampadena sp. –
- †Lampanyctus –
- †Lanceolaria –
- †Larus –
- †Larus sp. –
- †Lastrea –
- †Lastrea sp. –
- †Lateolabrax –
- †Latiaxis –
- †Latirulus –
- †Latirulus cracticulatis – or unidentified comparable form
- †Latirulus cracticulatus – or unidentified comparable form
- †Latirus –
- †Latirus polygonus – or unidentified comparable form
- †Latirus polygonus –
- †Latirus sp. –
- †Laurentiella –
- †Leguminosites –
- †Leiognathus –
- †Lenticulina –
- †Lenticulina calcar –
- †Lenticulina fukushimaensis – type locality for species
- †Lenticulina totomiensis –
- †Lentidium – tentative report
- †Lentidium –
- †Lentidium kyushuense – tentative report
- †Lentidium kyushuense –
- †Lepeta –
- †Lepeta lima – or unidentified comparable form
- †Lepidion –
- †Lepidobalanus –
- †Lepidocyclina –
- †Lepidodesma –
- †Lepidozona –
- †Leptastrea – tentative report
- †Leptastrea –
- †Leptastrea bewickensis – or unidentified related form
- †Leptastrea pruinosa – ex gr.
- †Leptastrea purpurea –
- †Leptastrea sp. –
- †Leptastrea transversa –
- †Leptoconchus –
- †Lepton –
- †Leptoria – tentative report
- †Leptoria –
- †Leptoria phrygia –
- †Leptoria sp. –
- †Leptoseris –
- †Leptoseris amitoriensis –
- †Leptoseris explanata –
- †Leptoseris hawaiiensis –
- †Leptoseris mycetoseroides –
- †Leptoseris papyracea –
- †Leptoseris scabra –
- †Leptoseris solida – tentative report
- †Leptoseris sp. –
- †Leptoseris yabei – ex gr.
- †Leptoseris yabei –
- †Lepus – or unidentified comparable form
- †Lepus sp. –
- †Lespedeza –
- †Letepsammia –
- †Leucoma –
- †Leucoma sp. –
- †Leucorhynchia – tentative report
- †Leucosia –
- †Leucosyrinx –
- †Leucothoe – tentative report
- †Leucotina –
- †Leukoma –
- †Leukoma itoigawae –
- †Leukoma iwakianus –
- †Leukoma jedoensis –
- †Leukoma sp. –
- †Leukoma tateiwai – or unidentified comparable form
- †Leukoma tateiwai –
- †Lienardia –
- †Ligustrum – tentative report
- †Ligustrum –
- †Lima –
- †Lima amaxensis – type locality for species
- †Lima amaxensis –
- †Lima fragilis –
- †Lima kawakitai –
- †Lima kumasoana –
- †Lima lima –
- †Lima limopsis – type locality for species
- †Lima nishiyamai –
- †Lima sowerbyi –
- †Lima sp. –
- †Limacina –
- †Limaria –
- †Limatula –
- †Limatula bullata –
- †Limatula jacksonensis –
- †Limatula japonica –
- †Limatula sp. –
- †Limatula vladivostokensis – or unidentified comparable form
- †Limatula vladivostokensis –
- †Limnobaris – tentative report
- †Limnobaris –
- †Limopsis – report made of unidentified related form or using admittedly obsolete nomenclature
- †Limopsis –
- †Limopsis adamsiana –
- †Limopsis azumana –
- †Limopsis crenata –
- †Limopsis cumingii –
- †Limopsis osawanoensis – or unidentified comparable form
- †Limopsis skinoshitai –
- †Limopsis sp. – informal
- †Limopsis sp. –
- †Limopsis tajimae – or unidentified comparable form
- †Limopsis tajimae –
- †Limopsis tokaiensis –
- †Limopsis woodwardi –
- †Linaeidea –
- †Linaeidea aenea – tentative report
- †Linatella –
- †Lindera –
- †Lindera erythrocarpa – or unidentified comparable form
- †Lindera glauca – or unidentified comparable form
- †Lindera miyataensis – or unidentified comparable form
- †Lindera miyataensis –
- †Lindera paraobtusiloba –
- †Lindera protostrychnifolia – report made of unidentified related form or using admittedly obsolete nomenclature
- †Linthia –
- †Linthia sp. –
- †Linuparus –
- †Lioconcha – tentative report
- †Lioconcha –
- †Lioglyphostoma –
- †Liotia –
- †Liotia sp. –
- †Liotina –
- †Liotina discoidea –
- †Liotina pseudodiscoidea – type locality for species
- †Liquidambar –
- †Liquidamber –
- †Lirabuccinum –
- †Liracassis –
- †Liriodendron –
- †Liroa –
- †Lischkeia –
- †Lischkeia monilifera – or unidentified related form
- †Lischkeia sp. –
- †Lishkeia –
- †Lishkeia sp. –
- †Lissodelphis –
- †Lithophaga –
- †Lithophaga nasuta –
- †Lithophaga sp. –
- †Lithophaga zitteliana – or unidentified comparable form
- †Lithophyllon – tentative report
- †Lithophyllon –
- †Lithophyllum –
- †Lithophyllum insidum –
- †Lithophyllum pfenderae – or unidentified comparable form
- †Lithophyllum sp. D – informal
- †Lithoporella –
- †Lithothamnion –
- †Lithothamnion abrardi – or unidentified comparable form
- †Lithothamnion andrusovi – or unidentified comparable form
- †Lithothamnion bofllli – or unidentified comparable form
- †Lithothamnion crispithallus –
- †Lithothamnion cymbicrusta –
- †Lithothamnion faurai –
- †Lithothamnion ishigakiensis –
- †Lithothamnion marianae –
- †Lithothamnion ovatum – or unidentified comparable form
- †Lithothamnion ramosissimus –
- †Lithothamnion tagpotchaense – or unidentified comparable form
- †Lithothamnium –
- †Lithothamnium moreti – or unidentified comparable form
- †Litsea –
- †Littoraria –
- †Littorina –
- †Lixus –
- †Lixus sp. –
- †Llquidambar –
- †Lobophyllia –
- †Lobophyllia corymbosa –
- †Lobophyllia flabelliformis – tentative report
- †Lobophyllia hataii –
- †Lobophyllia hemprichii –
- †Lobophyllia robusta –
- †Lobophyllia sp. –
- †Lonicera –
- †Lonicera sp. –
- †Loochooia –
- †Lophiotoma –
- †Lophiotoma leucotropis – or unidentified comparable form
- †Lophiotoma leucotropis –
- †Lophiotoma leuctropis – or unidentified comparable form
- †Lophiotoma marmorata –
- †Lottia –
- †Lucina – tentative report
- †Lucina – report made of unidentified related form or using admittedly obsolete nomenclature
- †Lucina –
- †Lucina sp. –
- †Lucina stearnsiana –
- †Lucinoma – tentative report
- †Lucinoma –
- †Lucinoma acutilineata – or unidentified related form
- †Lucinoma acutilineata – or unidentified comparable form
- †Lucinoma acutilineata –
- †Lucinoma annulatum – or unidentified comparable form
- †Lucinoma annulatum –
- †Lucinoma borealis –
- †Lucinoma nagaoi –
- †Lucinoma sp. –
- †Lucinoma uetanii –
- †Lunatia – tentative report
- †Lunatia –
- †Lunatia utoensis – tentative report
- †Lunatia utoensis –
- †Lupocyclus –
- †Luprops –
- †Luprops sp. –
- †Lutralia –
- †Lutralia maxima – or unidentified comparable form
- †Lutraria –
- †Lychnis –
- †Lychnis sp. –
- †Lyncina –
- †Lyncina arenosa – or unidentified comparable form
- †Lyncina carneola – or unidentified comparable form
- †Lyncina vitellus –
- †Lyonia – tentative report
- †Lyonia sp. –
- †Lyreidus –
- †Lyreidus sp. –
- †Lyria –
- †Lyria hanzawai –
- †Lyria hirugaensis – or unidentified related form
- †Lyria mizuhonica –
- †Lyria rex –
- †Maackia –
- †Maackia sp. –
- †Maackia tanaii –
- †Macaca –
- †Machilis –
- †Machilis shiobarensis – type locality for species
- †Machilus –
- †Machilus nathorsti –
- †Machilus protojaponicus – report made of unidentified related form or using admittedly obsolete nomenclature
- †Machilus ubensis –
- †Macoma – tentative report
- †Macoma –
- †Macoma aomoriensis –
- †Macoma atsunaiensis –
- †Macoma calcarea –
- †Macoma incongrua – or unidentified comparable form
- †Macoma incongrua –
- †Macoma izurensis –
- †Macoma nagaoi –
- †Macoma nipponica – or unidentified comparable form
- †Macoma nipponica –
- †Macoma optiva –
- †Macoma praetexta –
- †Macoma sectior –
- †Macoma sejugata –
- †Macoma shiratoriensis –
- †Macoma sp. – informal
- †Macoma sp. –
- †Macoma tokyoense – or unidentified comparable form
- †Macoma tokyoensis – or unidentified comparable form
- †Macoma tokyoensis –
- †Macoma yataiensis –
- †Macrocallista –
- †Macrocallista hanzawai –
- †Macrocallista matsuraensis – or unidentified comparable form
- †Macrocallista pacifica –
- †Macrocheira –
- †Macromia –
- †Macrophthalmus –
- †Macropthalmus –
- †Mactra – tentative report
- †Mactra –
- †Mactromeris –
- †Mactromeris equilateralis –
- †Mactromeris grayana –
- †Mactromeris onnechiuria –
- †Mactromeris polynyma – or unidentified comparable form
- †Mactromeris polynyma –
- †Mactromeris sorachiensis –
- †Madrepora –
- †Madrepora mitsukurii – type locality for species
- †Maesa –
- †Magilus –
- †Magilus antiquus –
- †Magilus sp. –
- †Magnolia –
- †Magnolia obovata – or unidentified comparable form
- †Magnolia sp. –
- †Makiyama –
- †Makiyamaia – tentative report
- †Makiyamaia –
- †Makiyamaia coreancia –
- †Makiyamaia coreanica – tentative report
- †Makiyamaia coreanica –
- †Makiyamaia sp. –
- †Makiyamia –
- †Malakichthys –
- †Malletia –
- †Malleus –
- †Mallotus – tentative report
- †Mallotus –
- †Malus –
- †Malus sp. –
- †Mammilla –
- †Mammilla insignis –
- †Mammilla kurodai –
- †Mammilla melanostoma – or unidentified related form
- †Mammilla melanostoma –
- †Mammilla sp. –
- †Mammuthus –
- †Mammuthus armeniacus – or unidentified comparable form
- †Mammuthus paramammonteus – or unidentified comparable form
- †Mammuthus protomammonteus –
- †Mammuthus sp. –
- †Mancalla –
- †Mancalla sp. –
- †Mangifera –
- †Manta –
- †Manta sp. –
- †Margarites –
- †Marginella –
- †Marmorostoma –
- †Marmorostoma cornuta – or unidentified comparable form
- †Marmorostoma gemmata –
- †Martesia –
- †Martesia sp. –
- †Martimoilinella –
- †Mathilda –
- †Mauicetus – tentative report
- †Mauicetus –
- †Mauidrillia – tentative report
- †Mauremys –
- †Mauremys mutica – or unidentified comparable form
- †Mauritia –
- †Mauritia histrio – or unidentified comparable form
- †Maurolicus –
- †Mazzalina – tentative report
- †Mazzalina –
- †Mazzalina miikensis – tentative report
- †Mazzalina miikensis –
- †Mazzalina sp. –
- †Meandra – tentative report
- †Meandra sp. –
- †Meandrina – tentative report
- †Meandrina –
- †Megacardita –
- †Megagomphos – type locality for genus
- †Megagomphos sinanoensis – type locality for species
- †Megalodytes – or unidentified related form
- †Megaptera – report made of unidentified related form or using admittedly obsolete nomenclature
- †Megaptera –
- †Megaptera miocaena – or unidentified related form
- †Megaptera novaeangliae – or unidentified comparable form
- †Megaptera novaeangliae –
- †Megaptera sp. –
- †Megayoldia –
- †Meimuna –
- †Meimuna protopalifera – type locality for species
- †Meimuna sp. –
- †Meiocardia –
- †Melanatria –
- †Melanatria kahoensis – or unidentified comparable form
- †Melanella –
- †Melanoides – tentative report
- †Melanoides –
- †Meliosma –
- †Meliosma myriantha – or unidentified comparable form
- †Meliosma oldhami – or unidentified comparable form
- †Meliosma tenuis – or unidentified comparable form
- †Melosira –
- †Menyanthes –
- †Mercenaria –
- †Mercenaria chitaniana –
- †Mercenaria protostimpsoni –
- †Mercenaria sp. –
- †Mercenaria stempsoni –
- †Mercenaria stimpsoni – or unidentified comparable form
- †Mercenaria stimpsoni –
- †Mercenaria yiizukai –
- †Mercenaria yokoyamai –
- †Meretrix –
- †Merulina –
- †Merulina sp. –
- †Mesalia –
- †Mesophyllum –
- †Mesophyllum erubescens –
- †Mesophyllum ishigakiensis –
- †Mesophyllum rynkyuensis –
- †Mesophyllum sp. A – informal
- †Mesophyllum sp. B – informal
- †Mesophyllum vaughanii –
- †Mesoplodon –
- †Mesoplodon ginkgodens – type locality for species
- †Mesoplodon sp. –
- †Mesoplodon stejnegeri –
- †Mesoplodon tumidirostris – type locality for species
- †Mesoplodon tumidirostris –
- †Metacervulus – tentative report
- †Metasequoia –
- †Metasqualodon –
- †Metasqualodon symmetricus – type locality for species
- †Metasqualodon symmetricus –
- †Micantapex – tentative report
- †Micantapex –
- †Microcirce –
- †Micromussa –
- †Microtus –
- †Mikadotrochus –
- †Mikadotrochus yoshiwarai – or unidentified comparable form
- †Millepora –
- †Millepora exaesa –
- †Millepora platyphylla – or unidentified comparable form
- †Milletia –
- †Milletia sp. –
- †Mimela –
- †Minohellenus –
- †Minolia – tentative report
- †Minolia –
- †Minolia sp. –
- †Miocenehadra –
- †Miodontiscus – tentative report
- †Miodontiscus –
- †Miogypsina –
- †Miophocaena – type locality for genus
- †Miophocaena nishinoi – type locality for species
- †Miosesarma –
- †Miralda –
- †Miralda gemma –
- †Miralda nishiana –
- †Miralda sp. 1 – informal
- †Miralda sp. 2 – informal
- †Mitra –
- †Mitra chrysostoma – or unidentified related form
- †Mitra granatinaeformis – or unidentified comparable form
- †Mitra hanleyana – or unidentified comparable form
- †Mitra hirosei –
- †Mitra ishidae –
- †Mitra notoensis –
- †Mitra punticulata –
- †Mitra sp. –
- †Mitrella –
- †Mitrella bicincta –
- †Mitrella burchardi – or unidentified related form
- †Mitrella gonzabuensis –
- †Mitrella sp. –
- †Mitrella tenuis –
- †Mitrella varians –
- †Mitroprifex –
- †Mizuhobaris –
- †Mizuhopecten – tentative report
- †Mizuhopecten –
- †Mizuhopecten imamurai –
- †Mizuhopecten kimurai – or unidentified comparable form
- †Mizuhopecten kimurai –
- †Mizuhopecten kitamiensis – type locality for species
- †Mizuhopecten matumoriensis –
- †Mizuhopecten nakatombetsuensis –
- †Mizuhopecten paraplebejus –
- †Mizuhopecten poculum –
- †Mizuhopecten sp. –
- †Mizuhopecten tokyoensis –
- †Mizuhopecten yessoensis – or unidentified comparable form
- †Mizuhopecten yessoensis –
- †Mizuhopecten yokoyamae –
- †Mizuhoptera – type locality for genus
- †Mizuhoptera –
- †Mizuhoptera fujinensis – type locality for species
- †Mizuhoptera kanayaensis – type locality for species
- †Mobula –
- †Mobula sp. –
- †Modiolaria –
- †Modiolus –
- †Modiolus arakawensis –
- †Modiolus arkawensis –
- †Modiolus difficilis –
- †Modiolus ishikariensis –
- †Modiolus lagunanus – or unidentified comparable form
- †Modiolus sp. –
- †Modiolus traillii –
- †Modiolus wanizakiensis – or unidentified comparable form
- †Modulus –
- †Mogera –
- †Mohnia –
- †Mohnia sp. –
- †Mohnia yamani –
- †Mohnia yanamii –
- †Molopophorus –
- †Monia –
- †Monilea –
- †Monilea belcheri –
- †Monilea haebaruensis –
- †Monilea nuclea – or unidentified comparable form
- †Monodonta –
- †Monoplex – tentative report
- †Monoplex –
- †Monoplex pilearis – or unidentified comparable form
- †Montastrea –
- †Montastrea colemani – tentative report
- †Montastrea felixi – or unidentified comparable form
- †Montastrea sp. –
- †Montastrea valenciennesii –
- †Montastrea versipora – or unidentified related form
- †Montipora –
- †Montipora danae –
- †Montipora digitata – or unidentified comparable form
- †Montipora informis –
- †Montipora sp. –
- †Montipora spp. –
- †Montipora venosa –
- †Morawanocetus – type locality for genus
- †Morawanocetus yabukii – type locality for species
- †Morum –
- †Morum cancellatum –
- †Morum sp. –
- †Morum subcancellata – or unidentified comparable form
- †Mucronalia –
- †Murex –
- †Murex saplisi –
- †Murex sobrinus –
- †Murex sp. –
- †Murex ternispina – or unidentified comparable form
- †Murex ternispira – or unidentified comparable form
- †Murina –
- †Mursia –
- †Mursia armata –
- †Mursia minuta –
- †Mursia sp. –
- †Mursia takahashii –
- †Musculista –
- †Musculus –
- †Mussa – tentative report
- †Mussa –
- †Mussa regalis – or unidentified comparable form
- †Mussa sp. –
- †Mustela –
- †Mustela erminea –
- †Mustela sibirica –
- †Mustela sp. –
- †Mya – tentative report
- †Mya –
- †Mya arenaria – or unidentified comparable form
- †Mya arenaria –
- †Mya convexa –
- †Mya cuneiformis –
- †Mya ezoensis –
- †Mya grewingki – or unidentified comparable form
- †Mya grewingki –
- †Mya salmonensis –
- †Mya sp. –
- †Mya truncata –
- †Myadora –
- †Mycedium –
- †Mycedium sp. –
- †Myliobatis –
- †Myodes –
- †Myotis –
- †Myotis sp. –
- †Myra –
- †Myra fugax –
- †Myrica –
- †Myrica rubra –
- †Myrica sp. –
- †Myrica ubensis –
- †Myriophyllum –
- †Myrsine –
- †Myrtea – tentative report
- †Myrtea sp. –
- †Mysella –
- †Mysella japonica –
- †Mysella sp. 1 – informal
- †Mysella sp. 2 – informal
- †Mytilus – tentative report
- †Mytilus –
- †Mytilus coruscus –
- †Mytilus crassitesta – or unidentified comparable form
- †Mytilus edulis –
- †Mytilus furanuiensis –
- †Mytilus grayanus – tentative report
- †Mytilus grayanus –
- †Mytilus haboroensis –
- †Mytilus luciferus – or unidentified comparable form
- †Mytilus mabuchii –
- †Mytilus sp. –
- †Mytilus tichanovitchi –
- †Nansenia –
- †Nansenia sp. –
- †Narona –
- †Nassa –
- †Nassa serta –
- †Nassarius – tentative report
- †Nassarius – report made of unidentified related form or using admittedly obsolete nomenclature
- †Nassarius – or unidentified comparable form
- †Nassarius –
- †Nassarius acteon –
- †Nassarius acutidentatus –
- †Nassarius caelatus –
- †Nassarius clathratus –
- †Nassarius concinnus –
- †Nassarius dingsi – type locality for species
- †Nassarius dorsatus – or unidentified comparable form
- †Nassarius dorsatus –
- †Nassarius festiva –
- †Nassarius festivus –
- †Nassarius fulleri –
- †Nassarius honoensis –
- †Nassarius kiiensis – or unidentified comparable form
- †Nassarius kikaizimanus – type locality for species
- †Nassarius kometubus –
- †Nassarius livescens –
- †Nassarius micans –
- †Nassarius minoensis –
- †Nassarius nakamurai –
- †Nassarius picta – or unidentified comparable form
- †Nassarius prefestivus –
- †Nassarius simizui –
- †Nassarius sp. –
- †Nassarius sp. A – informal
- †Nassarius sp. B – informal
- †Nassarius subbalteatus –
- †Nassarius variegatus –
- †Natica – report made of unidentified related form or using admittedly obsolete nomenclature
- †Natica –
- †Natica alapapilionis –
- †Natica gualteriana –
- †Natica sp. –
- †Natica stellatus – or unidentified related form
- †Natica stellatus –
- †Natica vitellus – or unidentified comparable form
- †Natica vitellus –
- †Naticarius –
- †Naticarius concinnus – or unidentified related form
- †Naticarius sp. –
- †Nautilus –
- †Navicula –
- †Navicula sp. –
- †Nebrius –
- †Neculana –
- †Neculana sp. –
- †Negaprion –
- †Neillonella –
- †Neilonella –
- †Nekewis –
- †Nelumbo –
- †Nelumbo sp. –
- †Nematoma –
- †Nematoma sp. –
- †Nemocardium –
- †Nemocardium beckei –
- †Nemocardium ezaoense –
- †Nemocardium ezoense –
- †Nemocardium ezoensis –
- †Nemocardium samarangae –
- †Nemocardium sp. –
- †Nemocardium tristiculum – or unidentified comparable form
- †Nemocardium yokoyamai –
- †Nemocardium yokoymai –
- †Neocallichirus –
- †Neodenticula –
- †Neoguraleus –
- †Neohaustator –
- †Neolitsea –
- †Neolitsea protoaciculata – report made of unidentified related form or using admittedly obsolete nomenclature
- †Neolitsea sp. –
- †Neolitsea ubensis –
- †Neophocaena –
- †Neopycnodonta –
- †Neoscopelus –
- †Neotherium – or unidentified comparable form
- †Nephrolepidina –
- †Neptunea –
- †Neptunea arthritica – or unidentified comparable form
- †Neptunea arthritica –
- †Neptunea constricta – or unidentified comparable form
- †Neptunea constricta –
- †Neptunea eos – or unidentified comparable form
- †Neptunea eos –
- †Neptunea fukuae –
- †Neptunea hukusimensis –
- †Neptunea intersculpta –
- †Neptunea modestoidea –
- †Neptunea modestoides –
- †Neptunea otukai –
- †Neptunea sp. –
- †Nerita –
- †Nerita chamaeleon –
- †Nerita ishidae – or unidentified comparable form
- †Nerita ishidae –
- †Nerita sp. –
- †Nerita subgranulosa –
- †Nerita subgranulose –
- †Nerita undata – or unidentified related form
- †Netelia – tentative report
- †Netelia sp. –
- †Neverita – tentative report
- †Neverita –
- †Neverita asagaiensis –
- †Neverita coticazae – or unidentified comparable form
- †Neverita coticazae –
- †Neverita didyma –
- †Neverita dydyma –
- †Neverita eocenica –
- †Neverita hosoyai –
- †Neverita kiritaniana –
- †Neverita reinana –
- †Neverita reiniana –
- †Neverita sp. –
- †Neverita vesicalis – or unidentified comparable form
- †Nihonia –
- †Nihonia shimajiriensis – type locality for species
- †Nihonia shimajiriensis –
- †Ninjadelphis – type locality for genus
- †Ninjadelphis ujiharai – type locality for species
- †Nipponomarcia – tentative report
- †Nipponomarcia –
- †Nipponomysella –
- †Niso – tentative report
- †Niso –
- †Niso sp. –
- †Niso yokoyamai – or unidentified related form
- †Nitidotellina –
- †Nitzschia –
- †Nitzshia –
- †Noetia – tentative report
- †Noetia sp. –
- †Noetiopsis – tentative report
- †Nonion –
- †Nonion boueanum – or unidentified comparable form
- †Nordotis –
- †Notacanthus –
- †Noterus –
- †Noterus japonicus – tentative report
- †Notocyathus –
- †Notomeryx – or unidentified comparable form
- †Notostrea –
- †Nucella –
- †Nucella lamellosa –
- †Nucella lapillus –
- †Nucella tokudai – or unidentified comparable form
- †Nucula – tentative report
- †Nucula –
- †Nucula hizenensis –
- †Nucula omagariensis –
- †Nucula paulula –
- †Nucula sp. –
- †Nuculana –
- †Nuculana confusa – or unidentified comparable form
- †Nuculana magarikawaensis –
- †Nuculana pennula –
- †Nuculana pernula –
- †Nuculana radiatelirata –
- †Nuculana sp. –
- †Nuculana yokoyamai –
- †Numaegilina –
- †Numataphocoena – type locality for genus
- †Numataphocoena –
- †Numataphocoena yamashitai – type locality for species
- †Numataphocoena yamashitai –
- †Nuphar –
- †Nuphar japonicum –
- †Nuphar sp. –
- †Nuttalia – tentative report
- †Nuttalia sp. –
- †Nuttallia –
- †Nyctereutes –
- †Nymphoides –
- †Nyssa –
- †Nyssa sp. –
- †Nyssa sylvatica –
- †Obestoma –
- †Ocenebra – tentative report
- †Ocenebra –
- †Ocenebra japonica – or unidentified comparable form
- †Ocenebra sp. –
- †Ocinebrellus –
- †Odobenus –
- †Odobenus mandanoensis – type locality for species
- †Odobenus rosmarus –
- †Odobenus sp. –
- †Odontaspis –
- †Odontella –
- †Odostomia –
- †Odostomia aequisculpta –
- †Odostomia gouldii –
- †Odostomia sasagensis – or unidentified comparable form
- †Odostomia sp. –
- †Oenopia –
- †Oenopota –
- †Oenopota sp. –
- †Ohuus –
- †Oligoaeschna –
- †Oliva –
- †Oliva australis – or unidentified related form
- †Oliva ispidula –
- †Oliva mustelina –
- †Oliva mustellina –
- †Oliva oliva –
- †Oliva sp. –
- †Olivella –
- †Olivella fulgurata – or unidentified related form
- †Olivella fulgurata – or unidentified comparable form
- †Olivella fulgurata –
- †Olivella iwakiensis – or unidentified comparable form
- †Olivella iwakiensis –
- †Olivella japonica –
- †Olivella sp. –
- †Olivella spreta – or unidentified comparable form
- †Onthophagus –
- †Onustus –
- †Opalia –
- †Opalia suzuensis – type locality for species
- †Operculina –
- †Ophiodermella –
- †Orbicella –
- †Orbicella sp. –
- †Orbicella spp. –
- †Orca –
- †Orca paleorca – type locality for species
- †Orca paleorca –
- †Orcinus –
- †Orcinus orca –
- †Orcinus sp. –
- †Orectospira –
- †Orectospira babelica – or unidentified comparable form
- †Orectospira gemma –
- †Orectospira sp. –
- †Orectospira wadana –
- †Oriensarctos –
- †Oriensarctos watasei – type locality for species
- †Orthaulax – report made of unidentified related form or using admittedly obsolete nomenclature
- †Orthoyoldia –
- †Oscilla –
- †Osmunda –
- †Osmunda japonica – or unidentified comparable form
- †Osteodontornis –
- †Ostrea – report made of unidentified related form or using admittedly obsolete nomenclature
- †Ostrea –
- †Ostrea denselamellosa – or unidentified comparable form
- †Ostrea denselamellosa –
- †Ostrea eorivularis –
- †Ostrea gravitesta –
- †Ostrea itoigawai –
- †Ostrea rosacea –
- †Ostrea sp. –
- †Ostrya –
- †Ostrya aizuana –
- †Ostrya japonica – or unidentified comparable form
- †Ostrya sp. –
- †Otodus –
- †Otodus angustidens –
- †Otodus megalodon –
- †Otodus sp. –
- †Oulangia –
- †Oulastrea –
- †Oulophyllia –
- †Oulophyllia bennettae –
- †Oulophyllia crispa – or unidentified comparable form
- †Oulophyllia crispa –
- †Oulophyllia sp. –
- †Oxyperas –
- †Oxyperas bernardi – or unidentified related form
- †Oxyperas bernardi –
- †Oxyperas sp. –
- †Oxypora –
- †Oxypora lacera –
- †Oxypora sp. –
- †Ozius –
- †Pachycrommium – report made of unidentified related form or using admittedly obsolete nomenclature
- †Pachycrommium –
- †Pachyseris –
- †Pachyseris rugosa – or unidentified comparable form
- †Pachyseris rugosa –
- †Pachyseris speciosa –
- †Padocatactes –
- †Pagurus –
- †Palaeoloxodon –
- †Paleoparadoxia – or unidentified comparable form
- †Paleoparadoxia –
- †Paleoparadoxia media –
- †Paleoparadoxia sp. –
- †Paleoparadoxia tabatai – tentative report
- †Paleoparadoxia tabatai –
- †Paliurus –
- †Palliolum –
- †Palmadusta – report made of unidentified related form or using admittedly obsolete nomenclature
- †Palmadusta asellus – or unidentified related form
- †Paludinella –
- †Pandora –
- †Pandora pulchella –
- †Pandora sp. –
- †Pandora wardiana –
- †Panomya –
- †Panopea –
- †Panthera –
- †Paphia –
- †Paphia aurabilis –
- †Paphia exilis – or unidentified comparable form
- †Paphia exilis –
- †Paphia naganumana –
- †Paphia ohiroi –
- †Paphia philippinarum –
- †Paphia schnelliana –
- †Paphia suzuensis – or unidentified comparable form
- †Paphia takanabensis –
- †Paphia undulata –
- †Paphia vernicosa –
- †Papilio –
- †Papilio maackii – or unidentified comparable form
- †Papyridea –
- †Parabenzoin –
- †Parabenzoin cuneata –
- †Parabenzoin sp. –
- †Parabenzoin trilobum – or unidentified comparable form
- †Paracomitas –
- †Paradrillia –
- †Paragalathea –
- †Paralia –
- †Paralichthys –
- †Paramormula –
- †Paraphaenogaster –
- †Paraphaenogaster avita – type locality for species
- †Parapontoporia –
- †Parastegodon –
- †Parastegodon akashiensis – type locality for species
- †Parietobalaena –
- †Parietobalaena sp. –
- †Parietobalaena yamaokai – type locality for species
- †Parietobalaena yamaokai – or unidentified comparable form
- †Parietobalaena yamaokai –
- †Pariphiculus –
- †Parotodus –
- †Parrotia –
- †Parrotia sp. –
- †Parthenocissus – tentative report
- †Parthenope –
- †Parvamussium –
- †Parvilucina –
- †Pasania –
- †Patanga – tentative report
- †Patanga sp. –
- †Patinopecten –
- †Patriocetus – tentative report
- †Pavona –
- †Pavona bipartita –
- †Pavona clavus – ex gr.
- †Pavona danai –
- †Pavona decussata –
- †Pavona frondifera –
- †Pavona minuta – tentative report
- †Pavona minuta –
- †Pavona sp. –
- †Pavona spp. –
- †Pavona varians –
- †Pavona venosa –
- †Pavona yamanarii –
- †Pecten –
- †Pecten albicans –
- †Pecten byoritzuensis –
- †Pecten cmadoritinctus –
- †Pecten excavatus – or unidentified related form
- †Pecten fulvicostatus –
- †Pecten plicus –
- †Pecten porphyreus –
- †Pecten sinensis –
- †Pecten tricarinatus –
- †Pectinia –
- †Pectinia ayleni –
- †Pectinia lactuca –
- †Pectinia sp. –
- †Pectunculina –
- †Pelocetus –
- †Penicillus –
- †Penitella –
- †Pentacrinus –
- †Pentacrinus ariakensis – type locality for species
- †Pentalagus –
- †Pentatoma – tentative report
- †Penthetria –
- †Penthetria togoensis – type locality for species
- †Peponocephala –
- †Peponocyathus –
- †Periglypta – tentative report
- †Periglypta –
- †Periglypta reticulata – or unidentified comparable form
- †Periglypta reticulata –
- †Periglypta sp. –
- †Periploma –
- †Peristernia –
- †Perna –
- †Perna nishiyamai – type locality for species
- †Peronidea –
- †Persea – tentative report
- †Persea –
- †Persea sp. –
- †Persea thunbergii – or unidentified comparable form
- †Persicarya –
- †Petricola –
- †Phalacrocorax –
- †Phalium –
- †Phanerolepida –
- †Phaneroptera –
- †Phaneroptera sp. A – informal
- †Phaneroptera sp. B – informal
- †Phasianus –
- †Phaxas –
- †Phenacoptygma –
- †Phenacoptygma sp. – type locality for species
- †Philine –
- †Philippia –
- †Philyra –
- †Phoca –
- †Phoca largha – or unidentified comparable form
- †Phoca vitulina – or unidentified comparable form
- †Phocoena –
- †Phocoenoides –
- †Pholadomya –
- †Pholadomya margaritacea – report made of unidentified related form or using admittedly obsolete nomenclature
- †Pholadomya margaritacea –
- †Pholadomya takashimaensis –
- †Pholadomya takashimensis –
- †Pholadomya turunagai –
- †Phos –
- †Phos iwakianus –
- †Phos reticosus – or unidentified related form
- †Phragmites – tentative report
- †Phthanoperidinium –
- †Phyllonotus –
- †Phyllopertha – tentative report
- †Physeter –
- †Picea –
- †Picea sp. –
- †Pictothyris –
- †Pieris –
- †Pieris sp. –
- †Pigulina –
- †Pillucina –
- †Pinctada –
- †Pinctada margaritifera –
- †Pinctada otatumei – tentative report
- †Pinctada otatumei –
- †Pinctada perdahurica –
- †Pinctada sp. –
- †Pinguigemmla –
- †Pinguitellina –
- †Pinna –
- †Pinna asakuraensis –
- †Pinna sp. –
- †Pinus –
- †Pinus miocenica –
- †Pinus sp. –
- †Pinus trifolia – or unidentified comparable form
- †Pisania – tentative report
- †Pisania sp. –
- †Pitar –
- †Pitar ashiyaensis –
- †Pitar hinokumai –
- †Pitar itoi –
- †Pitar japonica –
- †Pitar japonicum –
- †Pitar kaniei –
- †Pitar kyushuensis –
- †Pitar matsumotoi –
- †Pitar n sp. B – informal
- †Pitar okadana –
- †Pitar ozakii – type locality for species
- †Pitar sannosawaensis –
- †Pitar semeliformis – or unidentified comparable form
- †Pitar sorachiensis –
- †Pitar sp. –
- †Pitar subpellucida –
- †Pitar subpellucidum – or unidentified comparable form
- †Pitar sunakozakaensis –
- †Pitar takashimaensis –
- †Pittosporum –
- †Pittosporum illicioides – or unidentified comparable form
- †Pittosporum illicioides –
- †Pittosporum tanaii –
- †Pittosporum ubense –
- †Placamen –
- †Placopecten –
- †Placopecten promollitus – or unidentified comparable form
- †Placopecten protomollitus –
- †Placopecten sp. –
- †Placopecten todaniensis –
- †Plagiocardium –
- †Planostrea –
- †Platambus –
- †Platambus stygius – tentative report
- †Platans –
- †Platans sp. –
- †Platanus –
- †Platanus sp. –
- †Platepistoma –
- †Plateumaris – tentative report
- †Plateumaris –
- †Plateumaris constricticollis – tentative report
- †Plateumaris constricticollis –
- †Plateumaris dorsata – type locality for species
- †Plateumaris dorsata –
- †Plateumaris kinugasana – type locality for species
- †Plateumaris sericea –
- †Plateumaris sp. –
- †Plateumaris virens – type locality for species
- †Plateumaris weisei –
- †Platycarya –
- †Platycephalus –
- †Platygyra –
- †Platygyra contorta –
- †Platygyra daedalea – ex gr.
- †Platygyra daedalea –
- †Platygyra lamellina – or unidentified comparable form
- †Platygyra lamellina –
- †Platygyra pini –
- †Platygyra ryukyuensis –
- †Platygyra sinensis –
- †Platygyra sp. –
- †Platygyra stricta – or unidentified comparable form
- †Platyodon –
- †Plecia –
- †Plecia intima – type locality for species
- †Plecia kanetakii – type locality for species
- †Plecoglossus –
- †Plecotus –
- †Pleioblastus –
- †Plenasium –
- †Plesiastrea – tentative report
- †Plesiastrea –
- †Plesiastrea versipora – tentative report
- †Plesiastrea versipora –
- †Plesiocolopirus –
- †Plesiocolopirus grangeri – type locality for species
- †Plesiocolopirus grangeri –
- †Plesiocolopirus kushiroensis – type locality for species
- †Pleurotomella – tentative report
- †Plicatula –
- †Pliconacca –
- †Plotopterum –
- †Pocillopora –
- †Podiceps –
- †Podiceps sp. –
- †Podocarpus –
- †Pododesmus –
- †Pododesmus noharai – type locality for species
- †Pododesmus noharai –
- †Pododesmus radiata –
- †Pododesmus radiatus –
- †Pododesmus sp. –
- †Pododesmus umbonata –
- †Podophthalmus –
- †Polinices –
- †Polinices albumen – or unidentified comparable form
- †Polinices albumen –
- †Polinices candidissimus –
- †Polinices columnaris –
- †Polinices cumingianus – or unidentified comparable form
- †Polinices cumingianus –
- †Polinices flemingianus –
- †Polinices mammilla – or unidentified comparable form
- †Polinices nagahamai – tentative report
- †Polinices nagahamai –
- †Polinices sagamiensis –
- †Polinices sp. –
- †Polites –
- †Polites sp. –
- †Polygonum –
- †Polyipnus –
- †Polymesoda –
- †Polymesoda hokkaidoensis –
- †Polymesoda stachi – or unidentified comparable form
- †Polymesoda stachi –
- †Polymesoda takaoi – tentative report
- †Polymesoda takaoi – or unidentified comparable form
- †Polymesoda takaoi –
- †Polymesoda yamanei –
- †Polymetme –
- †Polymixia –
- †Populus –
- †Porites –
- †Porites australiaensis –
- †Porites bernardi – or unidentified comparable form
- †Porites cylindrica – or unidentified comparable form
- †Porites cylindrica –
- †Porites hawaiiensis –
- †Porites heronensis –
- †Porites lichen –
- †Porites lobata –
- †Porites lutea –
- †Porites murrayensis –
- †Porites rus –
- †Porites sp. –
- †Porites sp. (Encrusting) – informal
- †Porites sp. 1 – informal
- †Porites sp. 2 – informal
- †Porites sp. 3 – informal
- †Porites spp. –
- †Porites spp. (Encrusting) – informal
- †Porterius –
- †Portlandia – tentative report
- †Portlandia –
- †Posocarpus –
- †Potamides –
- †Potamides huzitai – type locality for species
- †Potamogeton –
- †Priscofusus –
- †Pristiophorus –
- †Pristis –
- †Pristis sp. –
- †Probebela –
- †Proboscia –
- †Profundinassa –
- †Promanetllum –
- †Propeamussium –
- †Propebela –
- †Proterato –
- †Protodobenus – type locality for genus
- †Protodobenus japonicus – type locality for species
- †Protorotella –
- †Prototaria – type locality for genus
- †Prototaria –
- †Prototaria planicephala – type locality for species
- †Prototaria primigena – type locality for species
- †Protothaca –
- †Provanna –
- †Provanna sp. –
- †Prunus –
- †Prunus apetala – or unidentified comparable form
- †Prunus protossiori –
- †Prunus sp. –
- †Psammacola –
- †Psammacoma –
- †Psammocora – tentative report
- †Psammocora –
- †Psammocora paponica – type locality for species
- †Psammocora profundacella –
- †Psammocora sp. –
- †Psammocora superficialis –
- †Psammotreta –
- †Pseudamiantis –
- †Pseudamiantis pinguis – tentative report
- †Pseudamiantis pinguis –
- †Pseudamiantis tauyensis – or unidentified comparable form
- †Pseudamiantis tauyensis –
- †Pseudocarcharias –
- †Pseudochama –
- †Pseudogrammatodon –
- †Pseudogrammatodon dalli –
- †Pseudogrammatodon pacificus – type locality for species
- †Pseudoinquisitor – tentative report
- †Pseudoinquisitor pulchra – or unidentified comparable form
- †Pseudolarix –
- †Pseudolatirus –
- †Pseudoliotia –
- †Pseudoliva –
- †Pseudoneptunea – tentative report
- †Pseudoneptunea –
- †Pseudopodosira –
- †Pseudoraphiotoma –
- †Pseudoraphiotoma crudelis – or unidentified related form
- †Pseudoraphitoma –
- †Pseudorca –
- †Pseudorca crassidens –
- †Pseudorca yokoyamai – type locality for species
- †Pseudorca yokoyamai –
- †Pseudorotalia –
- †Pseudostralium –
- †Pseudostralium hemicus – or unidentified comparable form
- †Pseudotaria – type locality for genus
- †Pseudotaria muramotoi – type locality for species
- †Pseudotrema –
- †Pseudotsuga –
- †Pteria –
- †Pteria coturnix – or unidentified comparable form
- †Pteria loveni –
- †Pterocarya –
- †Pteromys –
- †Pteromys sp. –
- †Pterophocaena – type locality for genus
- †Pterophocaena nishinoi – type locality for species
- †Pterostichus –
- †Pterostichus planicollis – or unidentified comparable form
- †Pterostichus sp. –
- †Pterothrissus –
- †Pueraria –
- †Puffinus –
- †Pugilina –
- †Pulsellum –
- †Punctoterebra –
- †Puncturella –
- †Pupa –
- †Pupa sp. –
- †Purpura –
- †Purpuradusta –
- †Pustularia –
- †Pustularia cicercula – or unidentified comparable form
- †Pycnodonte –
- †Pygmaeorota –
- †Pynodonte –
- †Pyrazus –
- †Pyrene –
- †Pyrene flava – or unidentified related form
- †Pyrene ligula – or unidentified related form
- †Pyrene liocyma –
- †Pyrene pardalina –
- †Pyrene sp. –
- †Pyrunculus –
- †Pyrus –
- †Pyxidicula –
- †Quercus –
- †Quercus acutissima –
- †Quercus glauca – or unidentified related form
- †Quercus miocrispula –
- †Quercus miovariabilis –
- †Quercus protoacuta –
- †Quercus protoaliena –
- †Quercus protosalicina –
- †Quercus protoserrata –
- †Quercus sinomiocenicum –
- †Quercus sp. –
- †Quercus stenophylla –
- †Raeta –
- †Raja –
- †Raja sp. –
- †Rana –
- †Rana nigromaculata –
- †Rana ornativentris –
- †Rana rugosa –
- †Rana sp. –
- †Randallia –
- †Rapana – tentative report
- †Rapana –
- †Rapana bezoar –
- †Rapana sp. –
- †Rapana thomasiana –
- †Rapana thomsoni – or unidentified comparable form
- †Rapana venosa –
- †Raphitoma –
- †Raphitoma granulidecussata – type locality for species
- †Raphoneis –
- †Raphoneis ischaboensis – or unidentified comparable form
- †Raphoneis sp. –
- †Rattus –
- †Rattus legata – or unidentified comparable form
- †Rattus norvegicus –
- †Rectiplanes –
- †Rectobolivina –
- †Regimbartia –
- †Regimbartia attenuata – tentative report
- †Reticunassa –
- †Retusa –
- †Retusa concentrica –
- †Retusa minima –
- †Retusa sp. –
- †Retusa succincta –
- †Rhacophorus –
- †Rhamnus –
- †Rhamnus sp. –
- †Rhantus –
- †Rhantus sp. –
- †Rhinoclavis – report made of unidentified related form or using admittedly obsolete nomenclature
- †Rhinoclavis –
- †Rhinolophus –
- †Rhinoptera –
- †Rhizorus –
- †Rhizosolenia –
- †Rhizosolenia hebetata – or unidentified comparable form
- †Rhizosolenia sp. –
- †Rhododendron –
- †Rhus –
- †Rhus miojavanica –
- †Rhus miosuccedanea –
- †Rhus sp. –
- †Rhynchobatus –
- †Rhyzohorimurex –
- †Rhyzohorimurex capuchinus – or unidentified comparable form
- †Rhyzohorimurex sp. –
- †Rimella – report made of unidentified related form or using admittedly obsolete nomenclature
- †Rimella sp. –
- †Ringicula –
- †Ringicula caron –
- †Ringicula musashinoensis –
- †Ringicula niinoi – or unidentified related form
- †Ringicula shimaensis –
- †Ringicula yokoyamai –
- †Rissoina –
- †Robaia –
- †Robaia robai –
- †Romaleon –
- †Ropellaria –
- †Rosa – tentative report
- †Rosa –
- †Rosa sp. –
- †Rosa usyuensis –
- †Rostellaria –
- †Royella –
- †Ruditapes –
- †Rumex – tentative report
- †Rumex sp. –
- †Sabal –
- †Sabia –
- †Saccella – tentative report
- †Saccella –
- †Saccella confusa –
- †Saccella gordonis –
- †Saccella miensis – report made of unidentified related form or using admittedly obsolete nomenclature
- †Saccella nagaoi –
- †Saccella saikaiensis –
- †Saccella sematensis –
- †Saccella sp. –
- †Saccostrea –
- †Sachalinocetus – or unidentified related form
- †Saitamapsetta –
- †Salix –
- †Salix akitaensis –
- †Salix hokkaidoensis –
- †Salix integra – or unidentified comparable form
- †Salix ksuzukii –
- †Salix misaotatewakii –
- †Salix muraii –
- †Salix parasachalinensis –
- †Salix sp. –
- †Salix subfragilis – or unidentified comparable form
- †Salvinia –
- †Salvinia natans – or unidentified comparable form
- †Salvinia natans –
- †Sandalolitha –
- †Sanguinolaria –
- †Sapindus – tentative report
- †Sapindus –
- †Sapindus sp. –
- †Sapindus tanaii –
- †Sapium –
- †Sapium hokianum –
- †Sapium sp. –
- †Saracenaria – tentative report
- †Sardinella –
- †Sardinops –
- †Sassafras –
- †Saxidomus – tentative report
- †Saxidomus –
- †Saxolucina –
- †Scaldicetus – or unidentified comparable form
- †Scaliola –
- †Scaphander – tentative report
- †Scaphander –
- †Scapharca –
- †Scapharca broughtoni –
- †Scapharca castellata –
- †Scapharca cornea –
- †Scapharca kakehataensis –
- †Scapharca ommaensis –
- †Scapharca satowi –
- †Scapharca setoensis –
- †Scapharca sp. –
- †Scapharca subcrenata –
- †Scapharca suzukii – or unidentified comparable form
- †Scapharca suzukii –
- †Scaphechinus –
- †Schizophragma –
- †Sciadopitys –
- †Sciara –
- †Sciara sp. –
- †Scintilla –
- †Scissurella –
- †Scomber –
- †Scomber sp. –
- †Scomberoides –
- †Scomberomorus –
- †Scombrolabrax –
- †Scyliorhinus –
- †Scylla –
- †Scylla ozawai –
- †Scylla serrata –
- †Scylla sp. –
- †Searlesia –
- †Sebastes –
- †Sebastes sp. –
- †Sebastolobus –
- †Selaginella – tentative report
- †Semelangulus –
- Semele
- †Semicassis –
- †Semisulcospira –
- †Septifer –
- †Septifer bilocularis –
- †Septifer excisus –
- †Septifer sp. – tentative report
- †Septifer sp. –
- †Sequoia –
- †Seriatopora –
- †Serpulorbis –
- †Serripes –
- †Serripes groenlandicus –
- †Serripes laperousi – or unidentified comparable form
- †Serripes laperousii – or unidentified related form
- †Serripes laperousii –
- †Serripes sp. –
- †Sesarma –
- †Sesarma sp. –
- †Shako –
- †Shiriyanetta – type locality for genus
- †Shiriyanetta –
- †Shiriyanetta hasegawai – type locality for species
- †Shiriyanetta hasegawai –
- †Sideroxylon –
- †Siliqua –
- †Siliqua elliptica –
- †Siliqua sp. –
- †Sinanodelphis – type locality for genus
- †Sinanodelphis izumidaensis – type locality for species
- †Sinomegaceros – tentative report
- †Sinomegaceros –
- †Sinum –
- †Sinum ineptum –
- †Sinum javanus –
- †Sinum sp. –
- †Sinusicola –
- †Siphonalia – tentative report
- †Siphonalia – report made of unidentified related form or using admittedly obsolete nomenclature
- †Siphonalia –
- †Siphonalia asakuraensis –
- †Siphonalia cassidariaeformis – or unidentified related form
- †Siphonalia cassidariaeformis –
- †Siphonalia dainitiensis – or unidentified related form
- †Siphonalia ishikariensis –
- †Siphonalia kannoi –
- †Siphonalia kikaigashimana –
- †Siphonalia laddi –
- †Siphonalia longicanalis – type locality for species
- †Siphonalia mikado – or unidentified related form
- †Siphonalia mikado –
- †Siphonalia sakakurai –
- †Siphonalia shojii –
- †Siphonalia signa –
- †Siphonalia sp. –
- †Siphonalia spadicea – or unidentified comparable form
- †Siphonalia yonabaruensis –
- †Siphonodentalium –
- †Siratoria –
- †Siratoria microsiratori – or unidentified comparable form
- †Siratoria siratoriensis –
- †Skenea –
- †Skolithos –
- †Smilax –
- †Smilax hokkaidoensis – or unidentified related form
- †Smilax trinervis –
- †Solamen –
- †Solariella – report made of unidentified related form or using admittedly obsolete nomenclature
- †Solecurtus –
- †Solecurtus divaricatus – or unidentified comparable form
- †Solecurtus divaricatus –
- †Solemya –
- †Solemya sp. –
- †Solen –
- †Solen connectens –
- †Solen gordonis –
- †Solen gouldi – or unidentified comparable form
- †Solen gouldii –
- †Solen grandis –
- †Solen krusenstearni – or unidentified comparable form
- †Solen krusensterni – or unidentified comparable form
- †Solen krusensterni –
- †Solen sp. –
- †Solen type locality for species – informal
- †Solena –
- †Solena hataii –
- †Solena nagaoi –
- †Solena sp. –
- †Solenopsis – tentative report
- †Soletellina – tentative report
- †Soletellina –
- †Solidicorbula –
- †Solidicorbula erythrodon –
- †Solidicorbula nisataiensis –
- †Solidicorbula succincta – or unidentified comparable form
- †Solidicorbula succincta –
- †Solidula –
- †Solivomer –
- †Sophora – tentative report
- †Sophora –
- †Sorbus –
- †Sorex –
- †Sorex shinto –
- †Spergo –
- †Spergo fusus –
- †Spheniscosomus –
- †Sphyrna –
- †Sphyrna sp. –
- †Sphyrna zygaena –
- †Spiniferites – tentative report
- †Spiraea –
- †Spirotropis –
- †Spisula –
- †Spisula asperaeformis – type locality for species
- †Spisula ezodensata –
- †Spisula haboroensis –
- †Spisula onnechiuria –
- †Spisula sachalinensis –
- †Spisula sorachiensis –
- †Spisula sp. –
- †Splendrillia –
- †Spondylus –
- †Spondylus anacanthus –
- †Spondylus candidus – or unidentified comparable form
- †Spondylus cruentus –
- †Spondylus lima –
- †Spondylus nicobaricus –
- †Spondylus regius –
- †Spondylus sp. –
- †Spondylus virgineus –
- †Spongites –
- †Squalodon –
- †Squalus –
- †Squatina –
- †Squatina sp. –
- †Staphylaea –
- †Staphylaea limacina – or unidentified comparable form
- †Staphylaea nucleus –
- †Staphylea –
- †Staphylea bumalda – or unidentified comparable form
- †Staphylea sp. –
- †Stegodon –
- †Stegolophodon –
- †Stegolophodon miyokoae – type locality for species
- †Stegolophodon pseudolatidens –
- †Stellaria –
- †Stenella –
- †Steneofiber –
- †Steno –
- †Stephanocyathus –
- †Stephanophyllia –
- †Stephanopyxis –
- †Sternolophus –
- †Sternolophus rufipes – tentative report
- †Stewartia –
- †Stichocorys –
- †Stigopupa –
- †Stigopupa hiyoshiensis – or unidentified comparable form
- †Stilostomella –
- †Stolotermes – tentative report
- †Stolotermes amanoi – type locality for species
- †Stomatella –
- †Stomatella articulata –
- †Stomatella lyrata – or unidentified comparable form
- †Stomatella lyrata –
- †Streptochetus –
- †Striarca – tentative report
- †Striarca –
- †Striarca elongata – type locality for species
- †Striarca interplicata –
- †Striarca oyamai –
- †Striarca sp. –
- †Striarca tenebrica –
- †Striarca uetsukiensis –
- †Striatolamia –
- †Strigopupa –
- †Striotdentalium –
- †Striotdentalium rhabdotum – or unidentified comparable form
- †Strioterebrum –
- †Strombus – tentative report
- †Strombus –
- †Strombus gibberulus – or unidentified related form
- †Strombus japonicum –
- †Strombus luhuanus –
- †Strombus niasense – or unidentified comparable form
- †Strombus sp. –
- †Strombus thersites –
- †Strombus tridentatus – or unidentified comparable form
- †Strombus vittatus – or unidentified comparable form
- †Strombus vittatus –
- †Strombus vomer – or unidentified comparable form
- †Stylocoeniella –
- †Stylophora –
- †Stylophora pistillata – tentative report
- †Stylophora pistillata – or unidentified comparable form
- †Stylophora pistillata –
- †Stylophora sp. –
- †Styrax –
- †Styrax japonica – or unidentified comparable form
- †Styrax japonica –
- †Styrax protoobassia –
- †Styrax rugosa –
- †Styrax sp. –
- †Suavodrillia –
- †Suchium –
- †Sula –
- †Sula sp. –
- †Sulcobuccinum –
- †Sulcogladius –
- †Sulcoretusa –
- †Sulcoturbilla –
- †Sunetta –
- †Surculites –
- †Sycostoma – tentative report
- †Sycostoma –
- †Sycostoma sp. – tentative report
- †Sycostoma sp. –
- †Sydaphera –
- †Symphyllia – tentative report
- †Symphyllia –
- †Symphyllia cactus – or unidentified comparable form
- †Symphyllia radians –
- †Symphyllia recta – or unidentified comparable form
- †Symphyllia recta –
- †Symphyllia sp. –
- †Symplocos –
- †Symplocos coreana – or unidentified comparable form
- †Symplocos glauca –
- †Symplocos prunifolia –
- †Symplocos sp. –
- †Synthliboramphus –
- †Synuchus –
- †Synuchus sp. –
- †Syringa – tentative report
- †Syringa –
- †Syringa pekinensis – or unidentified comparable form
- †Syringa sp. –
- †Syrnola –
- †Syrnola kurumana – or unidentified related form
- †Syrnola sp. –
- †Syrnola subsinctella –
- †Syrnola titizimana – or unidentified related form
- †Syzygium –
- †Taiwania –
- †Talostolida –
- †Talparia –
- †Talparia nahaensis – type locality for species
- †Tanea –
- †Tapes – tentative report
- †Tapes –
- †Tapes japonica –
- †Tapes nagahamai –
- †Tapes philippinarum –
- †Tapes sp. –
- †Tateiwaia –
- †Taxodium –
- †Tectonatica –
- †Tectus –
- †Tectus conus –
- †Tectus japonicus – or unidentified comparable form
- †Tectus japonicus –
- †Tectus niloticus –
- †Tegula –
- †Tegula rustica –
- †Tegula sp. –
- †Telescopium –
- †Telescopium schencki – or unidentified comparable form
- †Telescopium schencki –
- †Teliocrinus –
- †Tellina – tentative report
- †Tellina – report made of unidentified related form or using admittedly obsolete nomenclature
- †Tellina –
- †Tellina kikaizimana – type locality for species
- †Tellina lubrica –
- †Tellina matumotoi –
- †Tellina maximus –
- †Tellina notoensis –
- †Tellina protovenulosa – or unidentified comparable form
- †Tellina protovenulosa –
- †Tellina sp. – tentative report
- †Tellina sp. –
- †Tellina sumaensis – type locality for species
- †Tellina tmatumotoi –
- †Tellina tricarinata –
- †Tellina zyonoensis – or unidentified comparable form
- †Tellina zyonoensis –
- †Tenagodus –
- †Teramachia –
- †Terebra –
- †Terebra amabilis – or unidentified related form
- †Terebra anomala – or unidentified related form
- †Terebra formosana – or unidentified related form
- †Terebra hanzawai – type locality for species
- †Terebra loebbeckiana –
- †Terebra miyarensis –
- †Terebra orthoplicata – type locality for species
- †Terebra pereoa –
- †Terebra pretiosa –
- †Terebra shimajiriensis –
- †Terebra sp. –
- †Terebra straminea – or unidentified comparable form
- †Terebra subulata –
- †Terebra torquata – or unidentified related form
- †Terebra torquata –
- †Terebra triseriata –
- †Terebralia – tentative report
- †Terebralia –
- †Terebralia gourmyi –
- †Terebralia itogawai – or unidentified comparable form
- †Terebralia itoigawai – type locality for species
- †Terebralia kakiensis – type locality for species
- †Terebralia kannoi –
- †Terebralia palustris –
- †Terebralia sp. –
- †Terebratalia –
- †Terebratula –
- †Terebratula miikensis – type locality for species
- †Terebratula sp. –
- †Terebratulina –
- †Teredo – report made of unidentified related form or using admittedly obsolete nomenclature
- †Teredo –
- †Teredo sp. –
- †Ternstroemia –
- †Terpandrus – tentative report
- †Terpandrus ikiensis – type locality for species
- †Terpnosia –
- †Terpnosia vacua – or unidentified related form
- †Testudo –
- †Testudo emys – tentative report
- †Tetracentron –
- †Tetrastigma – or unidentified related form
- †Thais – report made of unidentified related form or using admittedly obsolete nomenclature
- †Thais –
- †Thais clavigera –
- †Thais echinata –
- †Thais luteostoma –
- †Thais minoensis –
- †Thais sp. –
- †Thalassina –
- †Thalassinoides –
- †Thalassionema –
- †Thalassiosira –
- †Thalassiosira antiqua –
- †Thalassiosira antique –
- †Thalassiosira convexa –
- †Thalassiosira eccentrica –
- †Thalassiosira gravida –
- †Thalassiosira jacksonii – or unidentified comparable form
- †Thalassiosira jacksonii –
- †Thalassiosira jouseae –
- †Thalassiosira manifesta –
- †Thalassiosira marujamica –
- †Thalassiosira nidulus –
- †Thalassiosira oestrupii – or unidentified comparable form
- †Thalassiosira oestrupii –
- †Thalassiosira sp. –
- †Thalassiosira trifulta –
- †Thalassiosira yabei –
- †Thalassiothrix –
- †Thalassoleon – or unidentified related form
- †Thalassoleon –
- †Thalassoleon inouei – type locality for species
- †Thalassoleon mexicanus –
- †Thatcheria –
- †Thatcheria gradata – or unidentified comparable form
- †Thea –
- †Thea ubensis –
- †Thecosphaera –
- †Theora –
- †Theora lata –
- †Thiara –
- †Thracia –
- †Thracia asahiensis –
- †Thracia higashinodonoensis –
- †Thracia kakumana –
- †Thracia kamayashikensis –
- †Thracia sekii –
- †Thracia sp. – informal
- †Thracia sp. –
- †Thracia watanabei – or unidentified comparable form
- †Thuja –
- †Thuja nipponica –
- †Thuja sp. –
- †Thujopsis –
- †Thyasira –
- †Tiberia –
- †Tibia –
- †Tibia fusus – or unidentified related form
- †Tibia sp. –
- †Tibicen –
- †Tibicen japonicus – or unidentified related form
- †Tilia –
- †Titanoderma –
- †Tokudaia –
- †Tomopleura –
- †Tonna – tentative report
- †Tonna –
- †Tonna allium –
- †Tonna canaliculata –
- †Tonna luetostoma –
- †Tonna luteostoma –
- †Tonna sp. –
- †Torinia –
- †Tosatrochus –
- †Toyotamaphimeia –
- †Toyotamaphimeia machikanensis – type locality for species
- †Trachelospermum –
- †Trachycarcinus –
- †Trachycardium –
- †Trachyphyllia –
- †Trapa –
- †Trapa angusticerata – or unidentified comparable form
- †Trapa anteformata –
- †Trapa incisa –
- †Trapa macropoda – or unidentified comparable form
- †Trapa macropoda –
- †Trapa mamminifera – or unidentified comparable form
- †Trapa sp. –
- †Trapella –
- †Trapezium –
- †Trapezium isoharense –
- †Trapezium isoharensis –
- †Trapezium kobe – type locality for species
- †Trapezium liratum –
- †Trapezium modilaeformis –
- †Trapezium modiolaeforme –
- †Trapezium sp. –
- †Trapezium sublaevigatum –
- †Tresus –
- †Trichomya –
- †Tridacna –
- †Tridacna cumingii –
- †Tridacna noae – or unidentified comparable form
- †Tridacna sp. –
- †Tridacna squamosa –
- †Tridentiger –
- †Trigonostoma –
- †Trilophoodon –
- †Trimeresurus –
- †Trinacria –
- †Trinacria nipponica – type locality for species
- †Trinovantedinium –
- †Trionyx –
- †Trionyx desmostyli –
- †Trionyx miensis – type locality for species
- †Trionyx sp. –
- †Trionyx ubeensis – type locality for species
- †Triphora –
- †Triphora concors –
- †Triphora conspersa –
- †Triphora dolicha – or unidentified related form
- †Triphora exilis –
- †Triphora fusca –
- †Triphora granulata –
- †Triphora limosa –
- †Triphora micans – or unidentified related form
- †Triphora solitaria – type locality for species
- †Triphora sp. –
- †Triphora sp. 1 – informal
- †Triphora sp. 2 – informal
- †Triphora sp. 3 – informal
- †Tripterygium – tentative report
- †Tripterygium –
- †Tripterygium regelii – or unidentified comparable form
- †Tripterygium sp. –
- †Trisidos –
- †Tritia –
- †Tritodynamia –
- †Trivellona –
- †Trivellona shimajiriensis – type locality for species
- †Trivellona shimajiriensis –
- †Trivirostra –
- †Trochammina –
- †Trochammina asagaiensis – type locality for species
- †Trochocerithium –
- †Trochocerithium excelsum – or unidentified comparable form
- †Trochocerithium shikoensis – or unidentified related form
- †Trochocerithium sp. –
- †Trochocyathus –
- †Trochus –
- †Trochus calcaratus –
- †Trochus maculatus –
- †Trochus rota –
- †Trochus sp. –
- †Trogosus – or unidentified comparable form
- †Trogosus –
- †Trogosus latidens – or unidentified comparable form
- †Trogosus sp. –
- †Trominina –
- †Trophon –
- †Tropidocyathus –
- †Trosatrochus –
- †Tsuga –
- †Tubipora –
- †Tucetona –
- †Tucetona auriflua –
- †Tucetona nodosa – or unidentified related form
- †Tucetona pectinata –
- †Tudicla –
- †Tudivasum –
- †Tudivasum oostinghi – or unidentified related form
- †Turbinaria – tentative report
- †Turbinaria –
- †Turbinaria frondens –
- †Turbinaria mesenterina –
- †Turbinaria peltata – or unidentified related form
- †Turbinaria peltata –
- †Turbinaria reniformis – tentative report
- †Turbinaria reniformis –
- †Turbinaria sp. –
- †Turbinaria stellulata – tentative report
- †Turbinaria stellulata –
- †Turbiniscala –
- †Turbiosphaera – or unidentified comparable form
- †Turbo – tentative report
- †Turbo –
- †Turbo agyrostoma –
- †Turbo argyrostoma –
- †Turbo cornuta – or unidentified comparable form
- †Turbo cornutus –
- †Turbo coronatus –
- †Turbo granulata –
- †Turbo hosodai – type locality for species
- †Turbo kurodai –
- †Turbo marmorata –
- †Turbo marmoratus –
- †Turbo mekamiensis –
- †Turbo miyarensis –
- †Turbo ozalwai –
- †Turbo ozawai – or unidentified comparable form
- †Turbo ozawai –
- †Turbo petholatus –
- †Turbo priscus –
- †Turbo sanoi – type locality for species
- †Turbo sp. –
- †Turbo yoshiharuyabei – type locality for species
- †Turbonilla –
- †Turbonilla edoensis –
- †Turbonilla sp. –
- †Turbonilla sp. 1 – informal
- †Turbonilla sp. 2 – informal
- †Turbonilla torquata –
- †Turbonilla varicosa – or unidentified comparable form
- †Turcica –
- †Turcica sp. –
- †Turricula –
- †Turricula atsukoae –
- †Turricula tornata – or unidentified related form
- †Turris – tentative report
- †Turris –
- †Turris crispa –
- †Turris sp. –
- †Turriscala –
- †Turritella – sensu lato
- †Turritella –
- †Turritella cingulifera – or unidentified comparable form
- †Turritella fascialiis – or unidentified related form
- †Turritella filiola –
- †Turritella fortilirata –
- †Turritella importuna –
- †Turritella infralirata –
- †Turritella kadonosawensis –
- †Turritella karatsuensis –
- †Turritella kiiensis –
- †Turritella kotakai –
- †Turritella kurosio –
- †Turritella millepunctata – or unidentified related form
- †Turritella perterebra –
- †Turritella poronaiensis – or unidentified comparable form
- †Turritella poronaiensis –
- †Turritella saishuensis –
- †Turritella saushuensis –
- †Turritella shataii –
- †Turritella sp. –
- †Turritella tanaguraensis – tentative report
- †Turritella tanaguraensis –
- †Turritella tokunagai –
- †Turritella yoshidai –
- †Turritella zinboi –
- †Tursiops – or unidentified related form
- †Tursiops –
- †Tutufa –
- †Tutufa sp. –
- †Tymolus –
- †Tymolus ingens –
- †Tymolus itoigawai –
- †Tymolus kamadai –
- †Tymolus sp. –
- †Tympanotonos –
- †Typhis –
- †Typhlocarcinus –
- †Typhlosyrinx –
- †Ulmeriella –
- †Ulmeriella shizukuishiensis – type locality for species
- †Ulmeriella uemurai – type locality for species
- †Ulmus –
- †Umbonium –
- †Umbonium abitanum –
- †Umbonium akitanum –
- †Umbonium costatum – or unidentified related form
- †Umbonium costatum –
- †Umbonium giganteum –
- †Umbonium moniliferum –
- †Umbonium sp. –
- †Unio –
- †Upogebia –
- †Uria –
- †Uria aalge –
- †Uromitra –
- †Uromitra cophina –
- †Uromitra fulleri –
- †Uromitra lirocostata – or unidentified related form
- †Uromitra obeliscus – or unidentified related form
- †Uromitra teschi –
- †Urotrichus –
- †Ursus –
- †Ursus arctos –
- †Uvigerina –
- †Vaccinium –
- †Varuna –
- †Vasum – tentative report
- †Vasum –
- †Vasum sp. –
- †Velutina –
- †Venatomya –
- †Venericardia – tentative report
- †Venericardia –
- †Venericardia mandaica – tentative report
- †Venericardia mandaica –
- †Venericardia millegrana – type locality for species
- †Venericardia nagaoi – type locality for species
- †Venericardia nagaoi –
- †Venericardia nipponica –
- †Venericardia okinoshimensis – type locality for species
- †Venericardia okinoshimensis –
- †Venericardia prolongata –
- †Venericardia quadriangulata – type locality for species
- †Venericardia sp. –
- †Venericardia subnipponica –
- †Venericardia tokudai –
- †Venerupis – report made of unidentified related form or using admittedly obsolete nomenclature
- †Venerupis –
- †Ventrifossa –
- †Venus – tentative report
- †Venus –
- †Venus foveolata –
- †Venus hiraseana –
- †Venus mitsuiana – type locality for species
- †Venus sp. –
- †Vepricardium –
- †Veremolpa –
- †Vermetus –
- †Vermicularia –
- †Vesicomya – tentative report
- †Vesicomya –
- †Vexillum –
- †Vexillum emmae – or unidentified comparable form
- †Vexillum fuscoapicatum –
- †Vexillum obeliscum –
- †Vexillum setsukoae –
- †Vexillum subtruncatum –
- †Viburnum – tentative report
- †Viburnum –
- †Viburnum opulus – or unidentified comparable form
- †Viburnum otukae – or unidentified comparable form
- †Viburnum uttoensis – or unidentified comparable form
- †Vicarya –
- †Vicarya ibarumensis –
- †Vicarya japonica –
- †Vicarya sp. –
- †Vicarya yabei –
- †Vicarya yokayamai –
- †Vicarya yokomai –
- †Vicarya yokoyamai – or unidentified comparable form
- †Vicarya yokoyamai –
- †Vicaryella –
- †Vicaryella ancisa –
- †Vicaryella bacula –
- †Vicaryella baculla –
- †Vicaryella ishiiana –
- †Vicaryella jobanica –
- †Vicaryella notoensis – or unidentified comparable form
- †Vicaryella notoensis –
- †Vicaryella otukai –
- †Vicaryella sp. –
- †Vinciguerria –
- †Vitis –
- †Vitis naumannii –
- †Vitis sp. –
- †Viviparus –
- †Volachlamys –
- †Volema – tentative report
- †Volema –
- †Volema mimasakensis –
- †Volema sp. –
- †Volema ternatanus –
- †Volema tuba –
- †Volsella –
- †Volsella sp. –
- †Volutharpa –
- †Volutoharpa –
- †Volutopsina –
- †Volutopsina japonica –
- †Volutopsina nishimurai – tentative report
- †Volva –
- †Volva sp. –
- †Vulpes –
- †Vulsella –
- †Wallucina –
- †Weigela –
- †Weigera –
- †Weigera sp. –
- †Wistaria –
- †Wistaria sp. –
- †Wisteria –
- †Woodwardia –
- †Xanthilites –
- †Xanthilites pentagonalis – type locality for species
- †Xenocypris –
- †Xenophora –
- †Xiphodolamia –
- †Xylosma –
- †Xymene –
- †Yabepecten –
- †Yamatocetus – type locality for genus
- †Yamatocetus canaliculatus – type locality for species
- †Yezoterpnosia –
- †Yoldia –
- †Yoldia biremis –
- †Yoldia hikoshimensis –
- †Yoldia hokkaidoensis –
- †Yoldia kikuchii –
- †Yoldia laudabilis –
- †Yoldia notabilis – or unidentified comparable form
- †Yoldia notabilis –
- †Yoldia sagittalia –
- †Yoldia saitoi – or unidentified comparable form
- †Yoldia similis –
- †Yoldia sobrina – or unidentified comparable form
- †Yoldia sobrina –
- †Yoldia sp. –
- †Yoldia yamagatana –
- †Zaisanamynodon – or unidentified comparable form
- †Zaisanamynodon –
- †Zaisanamynodon borisovi –
- †Zaisanamynodon protheroi – or unidentified comparable form
- †Zaitzevia –
- †Zalophus – tentative report
- †Zalophus –
- †Zalophus californianus –
- †Zalophus kimitsensis – type locality for species
- †Zalophus sp. –
- †Zeacumantus –
- †Zebina –
- †Zelkova –
- †Ziphius –
- †Zirfaea –
- †Zirfaea sp. –
- †Zoila –
- †Zoopilus –
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 7 August 2017.
{{cite web}}
:|author=
has generic name (help)
{{Lists of the prehistoric life of Asia}}