List of the prehistoric life of Wyoming
Appearance
This list of the prehistoric life of Wyoming contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Wyoming.
Precambrian
The Paleobiology Database records no known occurrences of Precambrian fossils in Alabama.
Paleozoic
Selected Paleozoic taxa of Wyoming
- †Actinoceras
- †Agassizodus
- †Agnostogonus
- †Amphiscapha
- †Amplexus
- †Archaeocidaris
†AstraspisLife restoration of the Middle-Late Ordovician jawless fish Astraspis - †Aviculopecten
- †Aviculopecten basilicus – or unidentified comparable form
- †Aviculopecten girtyi
- †Aviculopecten gryphus
- †Aviculopecten kaibabensis – or unidentified comparable form
- †Bellerophon
- †Blountiella
- †Bowmania
- †Bucheria – type locality for genus
†BurnetiaRestorative portrait of the Permian synapsid (mammal prescursor) Burnetia - †Campodus
- †Caninia
- †Cardipeltis
- †Catenipora
- †Cavusgnathus
- †Cedaria
- †Cephalaspis
- †Charactoceras – tentative report
- †Chirognathus
- †Chonetes
- †Cleiothyridina
- †Cleiothyridina atrypoides
- †Cleiothyridina elegans – or unidentified related form
- †Cleiothyridina hirsuta
- †Cleiothyridina sublamellosa – or unidentified related form
- †Coleodus
†CompositaFossilized shell of the Late Devonian-Permian brachiopod Composita - †Composita elongata
- †Composita laevis – or unidentified related form
- †Composita mira
- †Composita ovata
- †Composita sigma
- †Composita subquadrata
- †Composita subtilita
- †Composita sulcata
- †Conocardium
- †Coosella
- †Coosia
- †Coosina
- †Cordylodus
- †Crepicephalus
- †Ctenacanthus
- †Cyrtogomphoceras
- †Deckera
- †Dentalium
- †Distichophytum
- †Drepanophycus
- †Earlandia
- †Edmondia
†EndocerasFossilized shells and restored appearances of the Middle-Late Ordovician nautiloid cephalopod Endoceras - †Euomphalus
- †Favosites
- †Gastrioceras – report made of unidentified related form or using admittedly obsolete nomenclature
- †Genevievella
- †Geragnostus
- †Girvanella
- †Glikmanius
- †Glyptopleura
- †Goniatites – tentative report
- †Gosslingia
†HelicoprionLife restoration of the Permian Chimaera relative Helicoprion - †Homagnostus
- †Hyolithes
- †Hypseloconus
- †Idiognathoides
- †Ithyektyphus
- †Janassa
- †Kendallina
- †Kingstonia
- †Kionoceras
- †Kochoceras
- †Lambeoceras
- † Leclercqia
- †Lingula
- †Lingulella
- †Liroceras
- †Lonchocephalus
- †Maryvillia
- †Metacoceras
†MeteoraspisRestoration of the Cambrian trilobite Meteoraspis - †Micromitra
- †Minicephalus – type locality for genus
- †Naticopsis
- †Naticopsis judithae
- †Naticopsis kaibabensis
- †Naticopsis marthaae – or unidentified comparable form
- †Neospirifer
- Nucula – tentative report
- †Olenoides
- †Ozarkodina
- †Paladin
- †Paractinoceras
- †Peripetoceras
†PlaesiomysFossilized shell of the Ordovician brachiopod Plaesiomys - †Platyceras
- †Platystrophia
- †Posidonia
- †Prodentalium
- †Protaspis
- †Pseudomelania – tentative report
- †Psilophyton
- †Rawlinsella
- †Renalia
- †Sallya
†SaukiellaFossil of the Cambrian-Ordovician trilobite Saukiella - †Sawdonia
- Solemya
- †Solenochilus
- †Spiriferina
- †Spyroceras
- †Stearoceras
- †Streptognathodus
- †Strophomena
- †Syspacheilus
- †Tainoceras
- †Tetrataxis
†TricrepicephalusFossil of the Cambrian trilobite Tricrepicephalus - †Uncaspis
- †Uranolophus
- †Westonoceras
- †Wilkingia
- †Winnipegoceras
- †Worthenia
- †Zellerina
Mesozoic
Selected Mesozoic taxa of Wyoming
AcipenserIllustration of a living Acipenser sturgeon - †Adocus
- †Agathaumas – type locality for genus
- †Agathaumas sylvestris – type locality for species
- †Agerostrea
- †Albanerpeton
- †Albanerpeton galaktion
- †Albanerpeton nexuosus – type locality for species
- †Albertosaurus – or unidentified comparable form
- †Allognathosuchus
†Allosaurus – type locality for genusLife restoration of the Late Jurassic theropod dinosaur Allosaurus - †Allosaurus fragilis – type locality for species
- †Alphadon
- †Alphadon attaragos – type locality for species
- †Alphadon halleyi
- †Alphadon marshi
- †Alphadon sahnii
- †Amblotherium – type locality for genus
- Amia
- †Amphicoelias
- †Amphicoelias brontodiplodocus – type locality for species
- †Amphidon – type locality for genus
- †Amphidon superstes – type locality for species
- †Anaklinoceras
- †Anaschisma – type locality for genus
- †Ancorichnus
- †Andromeda
- †Anemia
- †Angistorhinus – type locality for genus
- †Angistorhinus aeolamnis – type locality for species
- †Angistorhinus gracilis – type locality for species
- †Angistorhinus grandis – type locality for species
- †Angistorhinus maximus – type locality for species
- †Anisoceras
†AnkylosaurusLife restoration of the Late Cretaceous armored dinosaur Ankylosaurus - Anomia
- Anona
- Antrimpos
- †Apatosaurinae
- †Apatosaurus
- †Aploconodon – type locality for genus
- †Aploconodon comoensis – type locality for species
- Aporrhais
- †Aquilina – type locality for genus
- Aralia
AraucariaFoliage and cones of a living Araucaria tree - Arca – report made of unidentified related form or using admittedly obsolete nomenclature
- †Archaeotrigon – type locality for genus
- †Arcticoceras
- †Arenicolites
- Aspideretes
- †Asplenium
- †Astarta
- Astarte
- † Atira – tentative report
- †Atokatheridium – or unidentified comparable form
- †Aublysodon
†BaculitesFossilized shell of the Late Cretaceous ammonoid cephalopod Baculites - †Baculites asper
- †Baculites asperiformis
- †Baculites baculus
- †Baculites clinolobatus
- †Baculites cobbani
- †Baculites codyensis
- †Baculites crickmayi
- †Baculites elaisi
- †Baculites eliasi
- †Baculites gilberti
- †Baculites grandis
- †Baculites gregoryensis
- †Baculites haresi
- †Baculites jenseni – or unidentified comparable form
- †Baculites mariasensis
- †Baculites mclearni
- †Baculites obtusus
- †Baculites perplexus
- †Baculites reesidei
- †Baculites rugosus
- †Baculites scotti
- †Baena
- †Baptanodon
- Barbatia – tentative report
†BarosaurusRestoration of the Late Jurassic sauropod dinosaur Barosaurus rearing to defend itself against a pair of the theropod Allosaurus - †Basilemys
- †Belonostomus
- Bombur
- †Borealosuchus
- †Borealosuchus sternbergii – type locality for species
- Botula
- Brachaelurus
- †Brachiosaurus
- †Brachybrachium – type locality for genus
- †Brachybrachium brevipes – type locality for species
- †Brachychampsa
- †Brachyphyllum
- †Brontopodus – or unidentified comparable form
†Brontosaurus – type locality for genusLife restoration of a herd of the Late Jurassic sauropod dinosaur Brontosaurus - †Brontosaurus excelsus – type locality for species
- †Brontosaurus parvus – type locality for species
- †Brontosaurus yahnahpin – type locality for species
- †Bryceomys
- †Cadoceras
- Callista
- †Calycoceras
- †Camarasaurus – type locality for genus
- †Camarasaurus grandis – type locality for species
- †Camarasaurus lentus – type locality for species
- Campeloma
- †Camptosaurus
- †Camptosaurus dispar – type locality for species
- † Canna
- †Cedrobaena
- †Celastrus – tentative report
- †Ceramornis – type locality for genus
- †Ceramornis major – type locality for species
- †Ceratodus
†CeratosaurusRestoration of the Late Jurassic ceratosaur Ceratosaurus - Cercidiphyllum
- Cerithium – tentative report
- †Chamops – type locality for genus
- †Champsosaurus
- †Chelonipus – or unidentified comparable form
- Chiloscyllium
- †Chirotherium
- Chlamys
- †Chondroceras
- †Cimexomys
- †Cimolestes
- †Cimolestes incisus – type locality for species
- †Cimolestes stirtoni – type locality for species
- †Cimolodon
- †Cimolodon nitidus – type locality for species
†CimolomysLife restoration of the face of the Late Cretaceous multituberculate mammal Cimolomys - †Cimolomys clarki
- †Cimolomys gracilis – type locality for species
- †Cimolomys parvus – type locality for species
- †Cimolopteryx
- †Cimolopteryx maxima – type locality for species
- †Cimolopteryx rara
- Cinnamomum
- Cissus
- Cladophlebis
- †Cladophlebis parva
- †Cladophlebis readi – type locality for species
- †Cladophlebis wyomingensis – type locality for species
- †Claraia
- †Clemensodon – type locality for genus
- †Clemensodon megaloba – type locality for species
- †Coelosuchus – type locality for genus
†Coelurus – type locality for genusLife restoration of the Late Jurassic primmitive tyrannosaur Coelurus - †Coelurus fragilis – type locality for species
- †Collignoniceras
- †Comobatrachus – type locality for genus
- †Comodactylus – type locality for genus
- †Comodactylus ostromi – type locality for species
- †Comodon – type locality for genus
- †Comodon gidleyi – type locality for species
- †Comonecturoides – type locality for genus
- †Comotherium – type locality for genus
- †Compsemys
†Coniophis – type locality for genusIllustration of fossilized vertebrae of the Late Cretaceous-Eocene snake Coniophis. Othniel Charles Marsh (1892). - †Corax
- Corbula
- †Coriops
- †Corosaurus
- Crenella
- †Cretorectolobus
- †Ctenacodon – type locality for genus
- †Ctenacodon laticeps – type locality for species
- †Ctenacodon scindens – type locality for species
- †Ctenacodon serratus – type locality for species
- †Cteniogenys – type locality for genus
- Cucullaea
- †Cunningtoniceras
- Cuspidaria
- †Dakotasaurus – type locality for genus
- †Daspletosaurus
†DeinonychusLife restoration of the Early Cretaceous dromaeosaur ("raptor") Deinonychus - †Deltatheroides – or unidentified comparable form
- †Dennstaedtia
- Dentalium
- †Derrisemys
- †Desmatosuchus
- †Dicotyledon
†DidelphodonRestoration of the Late Cretaceous marsupial relative Didelphodon - †Didymoceras
- †Dinochelys
- †Diospyros
- †Diplocraterion
- †Diplodocinae
†DiplodocusLife restoration of the Late Jurassic long-necked dinosaur Diplodocus - †Diplodocus carnegii – type locality for species
- †Diplodocus hallorum
- †Diplodocus longus
- †Discoscaphites
- †Docodon – type locality for genus
- †Docodon affinis – type locality for species
- †Docodon crassus – type locality for species
- †Docodon striatus – type locality for species
- †Docodon superus – type locality for species
- †Docodon victor – type locality for species
- †Dolichobrachium – type locality for genus
†DolichorhynchopsMounted fossilized skeleton of the Late Cretaceous plesiosaur Dolichorhynchops - †Doratodon – tentative report
- †Dorsetisaurus
- †Drinker – type locality for genus
- †Drinker nisti – type locality for species
- †Dromaeosaurus
- †Dryolestes – type locality for genus
- Dryopteris
- †Dryosaurus
- †Dryosaurus altus – type locality for species
- †Dryptosaurus – or unidentified comparable form
- †Dyslocosaurus – type locality for genus
- †Dyslocosaurus polyonychius – type locality for species
- †Echidnocephalus – tentative report
- †Edmontonia
- †Edmontonia rugosidens – or unidentified comparable form
- †Edmontosaurus
†Edmontosaurus annectens – type locality for speciesLife restoration of the Late Cretaceous duck-billed dinosaur Edmontosaurus annectens
- †Elaphrosaurus – tentative report
- †Elasmosaurus
- †Emarginachelys
- †Empo
- †Enneabatrachus – type locality for genus
- †Enneabatrachus hechti – type locality for species
- †Eobatrachus – type locality for genus
- †Eocephalites
- †Eopelobates
- †Equisetum
- †Essonodon
†EubostrychocerasFossilized shell of the Late Cretaceous ammonoid cephalopod Eubostrychoceras - †Eubrachiosaurus – type locality for genus
- †Eubrachiosaurus browni – type locality for species
- †Eucalycoceras
- †Eucrossorhinus
- †Euomphaloceras
- †Euspira
- †Euthlastus – type locality for genus
- †Eutrephoceras
- †Eutretauranosuchus
- †Exiteloceras
- †Exogyra
- Fasciolaria
- Ficus
- †Forresteria
- †Fosterovenator – type locality for genus
- †Foxraptor – type locality for genus
- †Fraxinus
- †Galeamopus
- †Galeamopus hayi
- †Galeamopus pabsti – type locality for species
†GargoyleosaurusMounted fossilized skeleton of the Late Jurassic armored dinosaur Gargoyleosaurus - Gerrhonotus – or unidentified comparable form
- †Gervillaria
- †Gervillia
- †Gilmoremys
- †Gilmoremys lancensis – type locality for species
- Ginglymostoma
- Ginkgo
- †Ginkgo adiantoides – tentative report
- †Glyptops – type locality for genus
- Glyptostrobus
†GobiconodonFossilized skeleton of the Middle Jurassic-Late Cretaceous mammal Gobiconodon - †Goniopholis
- †Gryphaea
- †Habrosaurus – type locality for genus
- †Habrosaurus dilatus – type locality for species
- †Hamites
- †Haplocanthosaurus
- †Harpactognathus – type locality for genus
- †Harpactognathus gentryii – type locality for species
- †Heptasuchus – type locality for genus
- †Heptasuchus clarki – type locality for species
†Hesperosaurus – type locality for genusLife restoration of the Late Jurassic stegosaur Hesperosaurus - †Hesperosaurus mjosi – type locality for species
- †Heteroceras
- †Hoploscaphites
- †Hoploscaphites birkelundae – type locality for species
- †Hoploscaphites gilli
- †Hoploscaphites nodosus
- †Hoploscaphites plenus
- †Hoploscaphites quadrangularis
- †Hybodus
- †Hybodus montanensis
- †Hybodus wyomingensis – type locality for species
- †Hyperodapedon
- †Hyperodapedon sanjuanensis – or unidentified comparable form
- †Ichthyodectes
†InoceramusFossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size - †Inoceramus agdjakendensis – or unidentified comparable form
- †Inoceramus americanus – type locality for species
- †Inoceramus anglicus
- †Inoceramus balchii
- †Inoceramus barabini
- †Inoceramus crispii
- †Inoceramus deformis
- †Inoceramus dimidius
- †Inoceramus erectus – or unidentified related form
- †Inoceramus fibrosus
- †Inoceramus fragilis – or unidentified related form
- †Inoceramus gibbosus
- †Inoceramus glacierensis
- †Inoceramus grandis
- †Inoceramus incurvus
- †Inoceramus lundbreckensis
- †Inoceramus perplexus
- †Inoceramus prefragilis
- †Inoceramus proximus – or unidentified related form
- †Inoceramus sagensis
- †Inoceramus subcircularis
- †Inoceramus subcompressus
- †Inoceramus sublaevis
- †Inoceramus tenuirostratus
- †Inoceramus tenuiumbonatus – or unidentified comparable form
- †Inoceramus turgidus – or unidentified related form
- †Inoceramus typicus
- †Inoceramus umbonatus
- †Inoceramus undabundus
- †Ischyrhiza
- †Ischyrhiza avonicola – type locality for species
- †Ischyrhiza basinensis – type locality for species
- †Ischyrhiza mira
- Isognomon
- Isurus – tentative report
- †Janumys
- †Jeletzkytes
- †Jeletzkytes dorfi – type locality for species
- †Kaatedocus – type locality for genus
- †Kaatedocus siberi – type locality for species
†Koskinonodon – type locality for genusFossilized skeleton of the Late Triassic amphibian Koskinonodon - †Laolestes – type locality for genus
- †Laolestes eminens – type locality for species
- †Laolestes goodrichi – type locality for species
- †Laolestes oweni – type locality for species
- †Laopteryx – type locality for genus
- †Laosaurus – type locality for genus
- †Laosaurus celer – type locality for species
- Laurus
- †Lepidotes – or unidentified related form
- Lepisosteus
- †Leptalestes
- †Leptalestes cooki – type locality for species
- †Leptalestes krejcii
†LeptoceratopsLife restoration of the Late Cretaceous primitive horned dinosaur Leptoceratops - Lima
- Lingula
- Liquidambar
- †Lisserpeton
- †Lissodus
- †Lonchidion – type locality for genus
- †Lonchodytes – type locality for genus
- †Lonchodytes estesi – type locality for species
- Lucina
- Lunatia – tentative report
- Lygodium
- †Macelognathus – type locality for genus
- Mactra
- †Martinectes
- †Martinectes bonneri – type locality for species
- †Mecochirus
†MegalneusaurusLife restoration of the Late Jurassic plesiosaur Megalneusaurus - †Megalneusaurus rex – type locality for species
- †Megasphaeroceras
- †Melvius
- †Meniscoessus
- †Meniscoessus intermedius
- †Meniscoessus robustus – type locality for species
- †Meniscoessus seminoensis – type locality for species
- †Menuites
- †Mesodma
- †Mesodma formosa
- †Mesodma hensleighi
- †Mesodma primaeva
- †Mesodma thompsoni – type locality for species
- †Metoicoceras
- †Metoicoceras geslinianum
- †Metoicoceras mosbyense – or unidentified comparable form
†MicrovenatorLife restoration of the Early Cretaceous oviraptorosaur Microvenator - Modiolus
- †Morosaurus
- †Myledaphus
- †Myophorella
- Myrica
- †Mytilus
- †Nanocuris
- †Nanosaurus
- †Nanotyrannus – tentative report
- †Naomichelys
- †Nelumbo
- †Neocardioceras
- †Neocardioceras laevigatum – type locality for species
- †Neocardioceras minutum – type locality for species
- †Neocardioceras transiens
- †Neocardioceras uptonense – type locality for species
- †Neoplagiaulax
- †Nerinea – tentative report
†Nodosaurus – type locality for genusHistorical reconstruction of the holotype skeleton from 1921 - †Nodosaurus textilis – type locality for species
- †Normannites – tentative report
- Nucula
- †Obamadon
- †Odaxosaurus – type locality for genus
- †Odaxosaurus piger – type locality for species
- Odontaspis
- †Oklatheridium
- †Onoclea
- †Ophiopsis
†OphthalmosaurusLife restoration of the Late Jurassic ichthyosaur Ophthalmosaurus - †Opisthias
- †Opisthotriton
- †Ornitholestes – type locality for genus
- †Ornitholestes hermanni – type locality for species
- †Ornithomimus
- †Ornithomimus minutus
- †Ornithomimus sedens – type locality for species
- †Ornithomimus velox – or unidentified comparable form
- †Osmakasaurus – tentative report
- Ostrea
- †Othnielia
- †Othnielosaurus
- †Othnielosaurus consors – type locality for species
- †Oxytoma
†PachycephalosaurusPachycephalosaurus - †Pachycephalosaurus wyomingensis – type locality for species
- †Pachyrhizodus
- †Pachyteuthis
- †Palaeobatrachus
- †Palaeosaniwa – type locality for genus
- †Palaeosaniwa canadensis – type locality for species
- †Paleopsephurus
- †Paleorhinus
- †Paleorhinus parvus – type locality for species
- †Paliurus
- †Pantosaurus – type locality for genus
- †Pantosaurus striatus – type locality for species
- †Paracimexomys
- †Paradiscoglossus – type locality for genus
- †Paralbula
- †Paramacellodus
†ParasuchusLife restoration of the Late Triassic phytosaur Parasuchus - †Paressonodon
- †Pariguana – type locality for genus
- †Parikimys
- †Paronychodon
- †Paronychodon lacustris – type locality for species
- †Paurodon – type locality for genus
- †Pecopteris
- Pecten
- †Pectinodon – type locality for genus
- †Pectinodon bakkeri – type locality for species
- Persea – report made of unidentified related form or using admittedly obsolete nomenclature
†Phoenicites – or unidentified comparable formPhoenicites - Pholadomya
- †Phragmites
- Phyllodus
- Physa – or unidentified comparable form
- †Piceoerpeton
- Pinna
- Pinus
- Pistacia
- †Pistia
- †Placenticeras
- †Plagiostoma
- Planorbis
- Platanus
†PlatecarpusLife restoration of the Late Cretaceous mosasaur Platecarpus - †Platymya
- †Platypterygius
- †Plesiobaena
- †Plesiopleurodon – type locality for genus
- †Plesiopleurodon wellesi – type locality for species
- †Plesiosaurus
- Plicatula
- Polinices
- †Polycotylus
†Poposaurus – type locality for genusRestoration of the Late Triassic crocodile relative Poposaurus with an anachronistic human to scale - †Poposaurus gracilis – type locality for species
- Populus
- †Potamoceratodus
- †Potamornis – type locality for genus
- †Potamornis skutchi – type locality for species
- †Priacodon
- †Priacodon ferox – type locality for species
- †Priacodon grandaevus – type locality for species
- †Priacodon lulli – type locality for species
- †Priacodon robustus – type locality for species
- †Prodesmodon – type locality for genus
- †Prodiplocynodon – type locality for genus
- †Prodiplocynodon langi – type locality for species
- †Protocardia
†Protungulatum – tentative reportFossilized mandible of the Late Cretaceous-Paleocene mammal Protungulatum - Prunus
- †Psalodon
- †Psalodon fortis – type locality for species
- †Psalodon marshi – type locality for species
- †Psalodon potens – type locality for species
- †Pseudoperna
- †Pteraichnus
- †Pteraichnus stokesi – type locality for species
†PteranodonLife restoration of the Late Cretaceous pterosaur Pteranodon - †Pteria
- †Pterodactylus
- †Pterodactylus montanus – type locality for species
- †Ptilotodon
- †Ptychotrygon
- †Ptychotrygon boothi – type locality for species
- Quercus
- †Rhamnus
- Rhinobatos
- †Rhizocorallium
- †Richardoestesia
- Rostellaria – tentative report
- †Saccoloma – report made of unidentified related form or using admittedly obsolete nomenclature
- Salix
- †Salpichlaena
- Sassafras
- †Saurexallopus – type locality for genus
- †Saurocephalus
- †Saurolophus
- †Sauropelta
†SauroposeidonDiagram illustrating the Early Cretaceous long-necked dinosaur Sauroposeidon with anachronistic humans to scale - †Saurornithoides – or unidentified comparable form
- †Saurornitholestes
- †Sauvagesia
- †Scapanorhynchus
- †Scapherpeton
- †Scaphites
- †Scotiophryne
- Scyliorhinus
†SelaginellaA living Selaginella, or spikemoss - Sequoia
- †Skolithos
- †Smilax
- †Socognathus
- Solemya
- †Sparganium
- Sphaerium – or unidentified comparable form
- †Sphenodiscus
- †Sphenodiscus lobatus – or unidentified comparable form
- †Sphenodiscus pleurisepta
- †Sphenopteris
SqualicoraxRestoration of the Late Cretaceous shark Squalicorax - †Squatirhina
- †Squatirhina americana – type locality for species
- †Staphylea
- †Stegopelta – type locality for genus
- †Stegopelta landerensis – type locality for species
†Stegosaurus – type locality for genusRestoration of the Late Jurassic stegosaur Stegosaurus - †Stegosaurus armatus – type locality for species
- †Stegosaurus longispinus – type locality for species
- †Stegosaurus stenops
- †Stegosaurus sulcatus – type locality for species
- †Stegosaurus ungulatus – type locality for species
- Sterculia
- †Stokesosaurus – tentative report
- †Struthiomimus – or unidentified comparable form
- †Styxosaurus
- †Styxosaurus browni – type locality for species
†SupersaurusRestoration in multiple views of the Late Jurassic sauropod dinosaur Supersaurus with an anachronistic human to scale - †Tanycolagreus – type locality for genus
- †Tanycolagreus topwilsoni – type locality for species
- †Tatenectes
- †Tatenectes laramiensis – type locality for species
- †Tathiodon – type locality for genus
- †Tenea
- †Tenontosaurus
- Teredo
- †Thalassinoides
- †Theatonius – type locality for genus
- †Theretairus – type locality for genus
†Thescelosaurus – type locality for genusLife restoration of the Late Cretaceous herbivorous dinosaur Thescelosaurus - †Thescelosaurus neglectus – type locality for species
- †Thoracosaurus – or unidentified comparable form
- Thracia
- Thyasira
- †Thyrsopteris
- †Tinodon – type locality for genus
- †Torosaurus – type locality for genus
- †Torosaurus latus – type locality for species
- †Torotix – type locality for genus
- †Torotix clemensi – type locality for species
- †Torvosaurus – type locality for genus
- †Torvosaurus tanneri – type locality for species
- †Trachodon
- †Tragodesmoceras
- †Trapa
†Triceratops – type locality for genusMounted fossilized skeleton of the Late Cretaceous horned dinosaur Triceratops - †Triceratops horridus – type locality for species
- †Triceratops ingens – type locality for species
- †Triceratops prorsus – type locality for species
- †Triceratops sulcatus – type locality for species
- †Trigonia
- †Trioracodon
- †Trioracodon bisulcus – type locality for species
- †Troodon
- Typha
†Tyrannosaurus – type locality for genusFossilized skeleton of the Late Cretaceous tyrannosaur Tyrannosaurus - †Tyrannosaurus rex – type locality for species
- †Uluops – type locality for genus
- †Uluops uluops – type locality for species
- Unio
- Vanikoro
- †Viburnum
- Vitis
- Viviparus – or unidentified comparable form
- †Weichselia
- †Williamsonia – tentative report
- †Woodwardia
- †Xenocephalites
- †Xiphactinus
- Yoldia
†ZamitesFossil of the Early Triassic-Eocene cycad-like frond Zamites - †Zapsalis – or unidentified comparable form
- †Zephyrosaurus – or unidentified comparable form
- †Zofiabaatar – type locality for genus
- †Zofiabaatar pulcher – type locality for species
Cenozoic
Selected Cenozoic taxa of Wyoming
- †Abuta – or unidentified related form
- †Acacia
- Accipiter
- †Accipiter gentilis
†Accipiter striatusLiving adult (center) and chick (lower right) Accipiter striatus, or sharp-shinned hawks
- Acer
- †Acidomomys – type locality for genus
- †Acrostichum
- †Adilophontes – type locality for genus
- †Adocus
- Aegialia
- Aegolius
†AepycamelusLife restoration of the Miocene camel Aepycamelus, or the long-necked camel. Heinrich Harder (1920). - †Aesculus
- †Afairiguana – type locality for genus
- †Afairiguana avius – type locality for species
- Agelaius
- †Agnotocastor
- †Agnotocastor galushai – type locality for species
- †Agriochoerus
- †Ailanthus
- †Alastor
- Alces
- †Alchornea – or unidentified related form
- †Aletodon
†AletomeryxAletomeryx - Aleurites
- †Allognathosuchus
- †Allophylus
- Alnus
- †Amentotaxus
- Amia
- †Amitabha – type locality for genus
- †Amitabha urbsinterdictensis – type locality for species
- †Ampelopsis
- †Amphechinus
- Amphiuma
- Amyda
- †Anamirta – or unidentified comparable form
- Anas
- †Anas acuta
†Anas clypeataA living Spatula clypeata, or northern shoveler - †Anas crecca
- †Anas platyrhynchos
- †Anconodon
- †Anemia
- †Anniealexandria – type locality for genus
- †Anobium
- †Anolbanolis – type locality for genus
- †Anolbanolis banalis – type locality for species
- †Anolbanolis geminus – type locality for species
- †Anosteira
- †Antherophagus
- Anthonomus
- Antilocapra
- Apalone
- †Aphelops
- Aquila
- Aralia
- Araneus
- †Araucaria
- †Archaeocyon
- †Archaeotherium
- †Archaerhineura – type locality for genus
- †Arctocyon
†ArctodusRestoration of an Arctodus, or short-faced bear, with a human to scale - †Arctostaphylos
- †Arenahippus
- †Aristolochia
- †Armintomys
- †Artocarpus – tentative report
- †Asarkina
- Asio
- †Asio flammeus
†Asio otusA living Asio otus, or long-eared owl
- †Asplenium
- †Astronium
- †Athyana
- †Avunculus
- Aythya
- Azolla
- †Babibasiliscus – type locality for genus
- †Baena
- †Bahndwivici – type locality for genus
- †Bahndwivici ammoskius – type locality for species
- †Baiotomeus
†BarylambdaLife restoration of the Paleocene-Eocene pantodont mammal Barylambda - †Bathornis
- †Bathygenys
- †Bathyopsis
- †Batodonoides
- †Batodonoides vanhouteni – type locality for species
- †Batrachosauroides – tentative report
- Bauhinia
- †Beilschmiedia
- †Berosus
- Betula
- Biomphalaria
- Bison
- †Bisonalveus – type locality for genus
- †Bisonalveus browni – type locality for species
- †Blechnum
- Bledius
†Boavus – type locality for genusFossilized skeleton of the eocene-?Miocene boa snake Boavus - Boletina
- †Bootherium
- †Borealosuchus
- †Borealosuchus formidabilis
- †Borealosuchus wilsoni – type locality for species
- †Boverisuchus
†BrachycrusRestorative portrait of the Miocene oreodont mammal Brachycrus - †Brachyhyops
- †Brachyrhynchocyon
- †Brachyuranochampsa – type locality for genus
- †Brachyuranochampsa eversolei – type locality for species
- Bracon
- Branta
- †Brontops
- †Bryophyte – or unidentified related form
- Bubo
- Buteo
†Buteo jamaicensisA living Buteo jamaicensis, or red-tailed hawk - †Buteo lagopus
- †Buteo regalis – or unidentified comparable form
- Buteogallus
- †Caedocyon
- †Caedocyon tedfordi – type locality for species
- †Caenopus
- †Caesalpinia
- †Calamospiza
- Calidris
- †Callomyia
- †Camelops
- †Camelops hesternus – or unidentified comparable form
- †Canarium
- †Canavalia
- Canis
†Canis dirusModern mounted skeleton of Canis lupus, the grey wolf, to scale with a fossilized skeleton of the Pleistocene wolf Canis dirus, or dire wolf - †Canis latrans
- †Canis lupus
- †Cantius
- †Cantius abditus – type locality for species
- †Cantius frugivorus
- †Cantius mckennai
- †Cantius ralstoni
- †Cantius torresi
- †Cantius trigonodus – type locality for species
- Capella
- Caracara
- †Cardiospermum
- Carduelis
- †Carpolestes
†Carpolestes simpsoni – type locality for speciesLife restoration of the Paleocene primate relative Carpolestes simpsoni
- Carya
- Castanea
- Castor
- †Catopsalis
- Cedrela
- †Cedrobaena – type locality for genus
- †Celastrus
- Celtis
- †Centrocercus
- †Cephalogale
- †Ceratophyllum
†CeratosuchusLife restoration of the Paleocene-Eocene crocodilian Ceratosuchus - Cercidiphyllum
- †Cercopis
- †Champsosaurus
- Chara
- Charadrius
- Charina
- Cheilosia
- †Chelomophrynus – type locality for genus
- †Chilostigma – tentative report
- Chironomus
†ChisternonFossilized skeleton of the Eocene turtle Chisternon - †Cholula
- †Choragus
- †Chordeiles
- †Chriacus
- †Cimolestes
- Cinnamomum
- Circus
- Cissus
- †Cixius – tentative report
CladrastisFlowers of a living Cladrastis, or yellowwood - †Cnemidaria
- †Coccothraustes
- Cocculus
- Colaptes
- †Colodon
- †Compsemys
- †Coniophis
- †Copecion
- †Copelemur
- †Corizus – tentative report
†CormocyonFossilized skull of the Oligocene-Miocene bone-crushing dog Cormocyon - Cornus
- Corvus
- †Corylus
- †Coryphodon
- Crataegus
- †Credneria
- Crocodylus
†Crocodylus affinis – type locality for speciesFossilized skull of the Eocene crocodilian "Crocodylus" affinis
- †Cryptocephalus
- Cryptorhynchus
- Cryptotis
- Culex
- Cyclocarya
- †Cynarctoides
- †Cynarctoides acridens
- †Cynarctoides harlowi
- †Cynarctoides luskensis – type locality for species
- †Dalbergia
- †Daphoenictis
†DaphoenodonLife restoration of the Miocene bear-dog Daphoenodon - †Daphoenus
- Dasyatis
- †Davidia
- †Dawsonicyon – type locality for genus
- Dendragapus
- †Dendropanax
- †Dennstaedtia
- †Desmatippus
- †Desmatochoerus
- †Desmocyon
- †Diacodexis
- †Diatryma – type locality for genus
- †Diceratherium
- Dicranomyia
- Dicrostonyx
- †Didymictis
- †Dilophodon
- †Dinictis
- †Dinohyus
- †Diospyros
- †Diplocynodon
†DiplomystusFossilized skeleton of the Early Cretaceous-Eocene bony fish Diplomystus preserved in the act of swallowing another fish - †Dipoides
- Dipteronia
- Discus
- †Dissacus
- †Distylium
- Dolichopus
- †Dombeya
- †Domnina
- †Drimys
- Dryopteris
†EchmatemysFossilized shell of the Eocene turtle Echmatemys - †Ectocion
- †Ectoconus
- †Ectopistes
- †Ectopocynus
- †Elaeodendron
- †Enhydrocyon
- Enochrus
- †Entelodon
†EobasileusLife restoration of a pair of the Eocene uintathere mammal Eobasileus. Charles R. Knight (1890s). - †Eoconodon
- †Eohippus
- †Eorhinophrynus
- †Eostrix
- †Eotitanops
- †Epicaerus
- †Epihippus
- †Equisetum
- Equus
†Equus conversidensRestoration of the Pleistocene-Holocene Equus conversidens, or Mexican horse
- Eremophila
- Erythrina
- Esox
- †Eucastor
- †Eucommia
- Eugenia
- †Euparius
- Euphagus
- †Eusmilus
- Eutamias
- Fagus
- Falco
- Ficus
†Fluvioviridavis – type locality for genusFossilized skeleton of the Eocene bird Fluvioviridavis - †Fortuna
- †Fraxinus
- †Fulgora
- †Gagadon
- †Galecyon
- Galerita
- †Gallinuloides – type locality for genus
- Gastrocopta
- Gerrhonotus – or unidentified comparable form
- Ginkgo
- †Gleditsia – or unidentified related form
GlyptostrobusFossilized foliage of the cypress relative Glyptostrobus - †Goniacodon
- Gopherus
- †Gracilocyon
- Grus
- Gulo
- †Gymnocladus
- Gyraulus – or unidentified comparable form
- †Habrosaurus
- †Hadrianus
- †Hapalodectes
- †Hapalorestes
- †Haplolambda
- †Harpagolestes
- †Helaletes – type locality for genus
- †Helix
†HelodermoidesFossilized skull of the Oligocene lizard Helodermoides - †Hemiauchenia
- Hemitelia
- †Heptodon
- †Herpetotherium
- †Hesperocyon
- †Heteraletes
- Hirundo – or unidentified comparable form
- †Holospira
- †Homogalax
- †Hoplophoneus
- †Hovenia
- †Hutchemys
†HyaenodonLife restoration of the Eocene-Miocene creodont mammal Hyaenodon - Hydrangea
- Hydrobia – report made of unidentified related form or using admittedly obsolete nomenclature
- Hydrobius
- †Hydrochus
- †Hydromystria
- †Hylobius
- †Hyopsodus
- †Hyopsodus lepidus – type locality for species
- †Hypertragulus
- †Hypisodus
†HypohippusLife restoration of the Miocene horse Hypohippus. Heinrich Harder (1920). - †Hypolagus
- †Hyporhina
- †Hypsiops
- †Hyrachyus
- †Hyracodon
- †Hyracotherium
- †Icaronycteris – type locality for genus
- †Icaronycteris index – type locality for species
- †Indusia
- †Intyrictis
- †Ischyromys
- †Iulus
- Juglans
- †Juncitarsus – type locality for genus
- Junco – or unidentified comparable form
- †Kalmia
- †Kalobatippus
†KnightiaFossilized skeleton of the Eocene bony fish Knightia - Koelreuteria
- †Lagopus
- †Lagopus leucurus – or unidentified comparable form
- †Lambdotherium
- †Lambertocyon
- Lanius
- Larus – or unidentified comparable form
- Lathrobium
- †Laurinoxylon
- Laurus
- Leiocephalus
- Lepisosteus
†LeptaucheniaRestoration of the Oligocene-Miocene oreodont mammal Leptauchenia - †Leptictis
- †Leptocyon
- †Leptolambda
- †Leptomeryx
- †Leptoreodon
- †Leptotragulus
- Lepus
- †Leucosticte
- †Limnocyon
- †Limnocyon verus – type locality for species
- †Limnofregata – type locality for genus
- †Limnofregata azygosternon – type locality for species
- Lindera
- †Lisserpeton
- †Listronotus
- †Lithophysa – type locality for genus
†LithornisLife restoration of the Paleocene-Eocene bird Lithornis - †Lithornis plebius – type locality for species
- †Lithornis promiscuus – type locality for species
- Lygodium
- Lynx
- †Lynx lynx – tentative report
- †Lystra – tentative report
- †Macginitiea
- †Machaeroides
- Macrocranion
- Magnolia
- †Maiorana
- †Mammacyon
- †Mammuthus
†Mammuthus columbiLife restoration of a herd of Mammuthus columbi, or Columbian mammoths. The extent of the fur depicted is hypothetical. Charles R. Knight (1909).
- Marmota
- †Megacerops
- †Megalictis
- †Meliosma
- †Meniscotherium
- †Menoceras
- †Menops
- †Mentoclaenodon
- Mergus
†MerychippusLife restoration of the Miocene three-toed horse Merychippus - †Merychyus
- †Merycochoerus
- †Merycodus
- †Merycoides
- †Merycoidodon
- †Mesatirhinus
- †Mesocyon – report made of unidentified related form or using admittedly obsolete nomenclature
- †Mesodma
- †Mesodma formosa
- †Mesodma garfieldensis – or unidentified comparable form
- †Mesodma hensleighi
- †Mesodma pygmaea
- †Mesohippus
- †Mesonyx
- †Mesonyx obtusidens – type locality for species
- †Mesoreodon
†MetacheiromysLife restoration of the Eocene pangolin relative Metacheiromys - †Metamynodon
- †Metamynodon planifrons – or unidentified comparable form
- †Metarhinus
- Metasequoia
- †Metatomarctus
- †Miacis
- †Michenia
- †Microcosmodon
- †Microcosmodon conus – type locality for species
- †Microcosmodon rosei – type locality for species
- Microphysula – or unidentified comparable form
- †Microsyops
- Microtus
- †Mimetodon
- †Mimetodon churchilli – type locality for species
- †Mimoperadectes
- †Mimoperadectes houdei – type locality for species
- †Miniochoerus
- †Miocyon
- †Miohippus
†MioplosusFossilized skeleton of the Eocene perch relative Mioplosus - †Miotapirus
- †Miotapirus harrisonensis – type locality for species
- †Miotylopus
- †Miracinonyx
- †Mithrandir
- Mnemosyne
- †Monosaulax
- †Moropus
- Morus
- Mustela
- Myrica
- Myrmica
- †Nanotragulus
- †Neanis
- †Nelumbo
- †Neocathartes
- †Neoliotomus
NeophrontopsMounted fossilized skeleton of the Miocene Neophrontops - †Neoplagiaulax
- †Neoplagiaulax grangeri – tentative report
- †Neoplagiaulax hunteri
- †Neoplagiaulax jepi – type locality for species
- †Neoplagiaulax mckennai – type locality for species
- †Neoplagiaulax nelsoni
- Neotoma
- †Nexuotapirus
- †Niglarodon
- †Notharctus
- †Notharctus robustior
- †Notharctus tenebrosus – type locality for species
- †Notharctus venticolus
†NotogoneusFossilized skeleton of the Late Cretaceous-Eocene beaked salmon relative Notogoneus - †Nototamias – or unidentified comparable form
- †Nucifraga
- Numenius
- †Nyctea
- †Nyssa
- Ochotona
- Ocotea
- †Odaxosaurus
- Ondatra
- †Onoclea
†Onychonycteris – type locality for genusRestoration of the Eocene bat Onychonycteris - †Onychonycteris finneyi – type locality for species
- †Oodectes
- Ophryastes
- †Opisthotriton
- Oreamnos
- †Oreodontoides
- Oreohelix
- †Oreopanax
- †Ormiscus
†OrohippusFossilized skeleton of the Eocene horse Orohippus - †Orthogenysuchus – type locality for genus
- †Orthogenysuchus olseni – type locality for species
- †Osbornodon
- †Osmanthus
- †Osmunda
- †Otarocyon
- †Otiorhynchus
- †Ototriton – type locality for genus
- †Ototriton solidus – type locality for species
- Ovis
- †Oxyacodon
- †Oxyaena
†OxydactylusLife restoration of a pair of the Oligocene-Miocene camel Oxydactylus. Robert Bruce Horsfall (1913). - †Pachyaena
- Pachycondyla
- †Palaearctonyx
- †Palaeogale
- †Palaeolagus
- †Palaeonictis
- †Palaeoryctes
- †Palaeosinopa
- †Palaeosyops
- †Palatobaena – type locality for genus
- †Paleoamphiuma – type locality for genus
- Paliurus
- Panthera
†Panthera leoA living Panthera leo, or lion
- †Pantolambda
- †Paracathartes
- †Paracynarctus
- †Paraenhydrocyon
- †Parahippus
- †Paramys
- †Parandrita
- †Paratomarctus
- †Paratylopus
- †Parectypodus
- †Parictis
- †Parvitragulus
†PatriofelisLife restoration of the Eocene creodont mammal Patriofelis. Charles R. Knight (1896). - †Patriofelis ferox – type locality for species
- †Patriomanis
- †Peltosaurus
- †Pelycodus
- †Pentacosmodon
- †Pentacosmodon pronus – type locality for species
- †Peratherium
- Perognathus
- Peromyscus
- Persea
- †Phalaenoptilus
†PhareodusFossilized skeleton of the Paleocene-Eocene arowana relative Phareodus - †Phenacocoelus
- †Phenacodontid
- †Phenacodus
- Phenacomys
- †Philodendron – or unidentified related form
- †Philotrox
†PhlaocyonIllustration of a fossilized skull in multiple views of the Oligocene-Miocene bone-crushing dog Phlaocyon - †Phoebe
- Phragmites – tentative report
- Phyllobius
- Physa
- Pica
- †Piceoerpeton – type locality for genus
- Pinus
- Pipilo
- †Plagiomene
- †Planera
- †Planetetherium
- †Plastomenoides
- Platanus
- Platycarya
- Platynus
- Plecia
†PlesiadapisLife restoration of the Paleocene-Eocene primate Plesiadapis - †Poabromylus
- †Poebrodon
- †Poebrotherium
- Polygyra
- Populus
- Porzana
- †Potamogeton
†PresbyornisLife restoration of the Paleocene-Eocene waterfowl Presbyornis - †Primobucco
- †Princetonia
- †Priscacara
- †Pristichampsus
- †Probathyopsis
- †Procaimanoidea
- †Procamelus
- †Prochetodon
- †Prochetodon cavus – type locality for species
- †Prochetodon foxi
- †Prochetodon taxus – type locality for species
- †Procynodictis
- †Prolimnocyon
- †Promartes
- †Promerycochoerus
- †Proscalops
†ProtocerasLife restoration of a female (left) and male of the Oligocene-Miocene even-toed ungulate Protoceras. Charles R. Knight (1896). - †Protochelydra
- †Protochelydra zangerli – or unidentified comparable form
- †Protohippus
- †Protolabis
- †Protomarctus
- †Protorohippus
- †Protostrix
- †Protungulatum
- †Protylopus
- Prunus
- †Pseudaelurus
- †Pseudhipparion
- †Pseudocrypturus – type locality for genus
- †Pseudocrypturus cercanaxius – type locality for species
- †Pseudolabis
- †Pseudoprotoceras
- †Psilota
- †Psittacotherium
- Ptelea
- Pteris – or unidentified related form
- Pterocarya
†PtilodusFossilized skeleton of the Paleocene multituberculate mammal Ptilodus - †Ptilodus fractus
- †Ptilodus gnomus
- †Ptilodus kummae
- †Ptilodus mediaevus
- †Ptilodus montanus – or unidentified comparable form
- †Ptilodus tsosiensis – or unidentified comparable form
- †Ptilodus wyomingensis – type locality for species
- Puma
- Pupilla – or unidentified comparable form
- †Pyramidula
- †Pyrocyon
- Quercus
- Quiscalus – or unidentified comparable form
†RamocerosLife restoration of the Miocene-Pliocene pronghorn Ramoceros and Cosoryx. Robert Bruce Horsfall (1913). - †Raphictis
- †Rhamnus
- Rhineura – type locality for genus
- Rhinoclemmys – report made of unidentified related form or using admittedly obsolete nomenclature
- Rhus
- †Rhyssa
- †Robinia
- Rosa
- Sabal
- †Saccoloma
- Salix
- †Salpinctes – or unidentified comparable form
- †Salvinia
†Saniwa – type locality for genusFossilized skeleton of the Eocene monitor lizard Saniwa - †Saniwa ensidens – type locality for species
- †Sapindus
- Sassafras
- †Scapherpeton
- †Schoepfia
- Sciara
- †Sciophila
- Sequoia
- †Sespia
- †Shoshonius
- †Sialia
- †Sifrhippus
- †Simoedosaurus
- †Sinomenium – or unidentified related form
†SinopaFossilized skeleton of the Eocene-Oligocene creodont mammal Sinopa - Siren
- †Siren dunni – type locality for species
- Sitona
- Sloanea – or unidentified related form
- †Smilax
- †Smilodectes
- †Smilodectes gracilis – type locality for species
- †Smilodectes mcgrewi – type locality for species
- Sorex
- †Sparganium
- †Spathorhynchus – type locality for genus
- †Spathorhynchus fossorium – type locality for species
- †Spathorhynchus natronicus
- Spermophilus
- †Sphenocoelus
- Spirodela
- †Spiza
- Stagnicola
- †Stegobium
- †Steneofiber
†StenomylusLife restoration of the Oligocene-Miocene camel Stenomylus - Sterculia
- †Stillingia
- Sturnella
- †Stygimys
- †Stylemys
- †Stylinodon
- †Styrax
- †Subhyracodon
- Surnia
- †Suzanniwana – type locality for genus
- †Suzanniwana patriciana – type locality for species
- †Suzanniwana revenanta – type locality for species
- †Swartzia
- Sylvilagus
- Symplocos
- Synaptomys
†SyndyocerasLife restoration of the Miocene protoceratid mammal Syndyoceras - Syrphus
- Tachycineta – or unidentified comparable form
- †Taeniolabis
- Tamias
- †Tanymykter
- †Tapocyon
- †Tarka
- Taxidea
- Taxodium
- †Taxonus
- †Teilhardina
†TeleocerasRestoration of the Miocene-Pliocene rhinoceros Teleoceras - †Telmatherium
- †Temnocyon
- †Tetraclaenodon
- Thelypteris
- †Thouinia
- †Thuja
- Tilia
- Tipula
†TitanoidesLife restoration of the Paleocene pantodont mammal Titanoides - †Titanoides gidleyi – type locality for species
- †Titanoides major
- †Titanoides nanus – type locality for species
- †Titanoides primaevus
- †Titanomyrma
- †Titanomyrma lubei – type locality for species
- †Trapa
- †Trigenicus
- †Trigonias
- Trionyx
- †Tritemnodon
- †Tritoma
- †Triumfetta
- †Trogosus
- †Tropisternus
- †Trypodendron
- †Tsoabichi – type locality for genus
- †Tsoabichi greenriverensis – type locality for species
- Turdus – or unidentified comparable form
- †Tylocephalonyx
- Tympanuchus
- Typha – or unidentified related form
- †Tytthaena
- †Uintacyon
†Uintatherium – type locality for genusLife restoration of the Eocene mammal Uintatherium - †Uintatherium anceps – type locality for species
- Ulmus
- Unio
- Ursus
- †Ustatochoerus
- †Valenia
- †Valenopsalis
- †Vassacyon
- †Vauquelinia
†ViburnumLeaves and fruit of a living Viburnum. - †Vinea – or unidentified comparable form
- Vitis
- †Viverravus
- Viviparus
- †Vulpavus
- Vulpes
- †Woodwardia
- †Xanclomys
- †Xanclomys mcgrewi – type locality for species
- †Xyronomys
†YsengriniaLife restoration of the Miocene bear dog Ysengrinia - †Zamia
- Zelkova
- Zenaida
- Zizyphus
- †Zodiolestes
- Zonotrichia
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.