Valich The Earth nourishes life, and its churning oceans allowed complex molecules to form the first DNA.
Nature: the wonderous glory for us to marvel, explore, strive to understand and enjoy.
Hi! I am Don Valich. My research interests are vertebrate paleontology , paleogeology , paleoecology , phylogenetics , and "origin of life " topics. Within the field of paleontology my primary focus is on the evolution of terrestrial mammals , with particular interest in the evolutionary lineages of the Cynodonts , Miacoidea , Creodonts , and all early Carnivora . I welcome any interests in these fields, especially Canidae (dog evolution), and any challenging questions or research assignments. I also have interests in researching the evolution of continental crusts and early land masses, and the accretion events that formed early supercontinents , such as the Wyoming Craton and the North American continent .
If I make a mistake on any article, please correct it. I would really appreciate it. All constructive comments, questions and insightful posts are very welcome.
The theory of evolution is the central unifying paradigm of all biology - Nothing in biology makes sense except in the light of evolution [1] .
Member of Wikipedia:WikiProject Paleontology
Member of Wikipedia:WikiProject Geology
Member of WikiProject Tree of Life
Member of WikiProject Evolutionary biology
Member of Wikipedia:WikiProject Mammals
Member of WikiProject Tree of Life/Articles without images/Mammals
Member of Wikipedia:WikiProject Dogs
To do list
Oodectes
Cynodonts
Hyainailouros sulzeri
Cimolesta
Hyaenodontidae
Oxyaenidae
Laurasiatheria
Miacoidea :
Miacidae : Chailicyon , Eostictis , Ictognathus , Miocyon , Oodectes , Palaearctonyx , Paramiacis , Prodaphaenus , Tapocyon , Uintacyon , Vassacyon , Vulpavus , Xinyuictis , Ziphacodon
Viverravidae : Bryanictis , Didymictis , Ictidopappus , Intyrictis , Pristinictis , Protictis , Raphictis , Simpsonictis , Viverravus , Quercygale
Musteloidea
Mesonychia - expand physical characteristics to differentiate Order Mesonyx
Nimravidae
Amphicyonidae
Dinocyon
Cephalogale
Agriotherium
Phoberocyon
Plithocyon
Amphicticeps
Amphicynodon
Pachycynodon
Kolponomos
Amphicyon
Borophaginae
Tomarctus
Sirenia (evolution)
Pikaia
Therapsids
Mojave accretion
Yavapai Orogeny
Mazatzal Orogeny
Laramide Orogeny )
Geology of the Grand Canyon area#Creation of the Grand Canyon (cutting of the Colorado River - 3 major theories)
North China craton
Trans-North China Orogeny
Qilianshan Orogeny
Central Asian Orogeny
Geology of China
Geology of Taiwan
Yangtze craton
Sichuan Basin
Huangshan Orogeny
Tangula Mountains
Anyemaqen Mountain (6,282 m; 20,610 ft), Qinghai, source area Yangtze River
Contributions
Significant improvements on
My favorite animal is the Norwegian Elkhound !
Meet "Kodi" - the friendliest, gentle, a bit shy, but most loveable Elkhound that ever existed! Super with children and always ready to give kisses! Her motto: "I love the attention, I love little children, and I live to be petted by everyone."
File:NorwegianElkhound.JPG
THE WORLD :
Sphere : Our Universe
Realm : Life on Earth
Superdomain : Biota (Eubacteria , Archaea , Eukaryota )
Domain : Eukaryota (eukaryotes) - protists , fungi , plants , animals (membrane -bound nucleus , most multicellular )
Kingdom : Animalia -Metazoa (animals) - multicellular , locomotion , responsive to environment, fixed body plan
Subkingdom: Eumetazoa - all animal groups except sponges
Subregum: Bilateria (bilaterians) - having bilateral symmetry ; metazoan triploblastic animals
Branch: Deuterostomia (deuterostomes) - in embryonic development first opening (blastopore ) becomes anus , in Protostomia blastopore becomes mouth
Infrakingdom: Chordinia
Phylum : Chordata (chordates) - notochord , hollow dorsal nerve cord , pharyngeal slits , endostyle , tail
Clade : Craniata (craniates) - all animals having a skull
Subphylum : Vertebrata (vertebrates) - with backbones or spinal column
Infraphylum: Gnathostomata - jawed vertebrates
Class Sarcopterygii ? - lobe-finned bony fishes with paired rounded fins; include lungfish and coelacanths
Terrestrial Vertebrates
Superclass: Tetrapoda (tetrapods) - having four limbs or four leg-like appendages
Series: Amniota - Synapsida (mammals , mammal-like reptiles ), Sauropsida (reptiles , dinosaurs , Aves -birds)
Taxon : Therapsida
Clade : Mammaliaformes - mammals and extinct relatives: Allotheria , Docodonta (Morganucodonta ), Symmetrodonta
Class : Mammalia (mammals) - vertebrates; milk production in females ; hair /fur ; specialized teeth ; 3 specialized ear bones; neocortex region in brain ; endothermic (warm-blooded)
Subclass : Theria /Theriiformes
Infraclass: Holotheria - live-bearing mammals and prehistoric relatives Symmetrodonta (basal Mesozoic mammals)
Superlegion: Trechnotheria - Cladotheria (Theria , Dryolestidae , Amphitherium , Prototribosphenida ), Spalacotheriids (Akidolestes , Zhangheotherium , Maotherium ), and their relatives; characterized by features of the scapula , tibia , humerus
Legion: Cladotheria - Theria , Dryolestidae (drylostids), Zatheria , and their relatives; characterized by features of the tribosphenic molar and angular process of dentary
Sublegion: Zatheria - Theria & fossil relatives (Peramuridae , Deltatheridium ); distinctly zatherian molars
Infralegion: Tribosphenida
Supercohort: Theria (therians) - mammal subclass that give birth to live young without shelled egg (placentals , marsupials )
Cohort: Placentalia -Eutheria (placentals) - placental mammals
Magnorder: Epitheria (epitheres)
Superorder : Preptotheria -Laurasiatheria - carnivores, whales, bats, horses, Manidae (pangolins -scaly anteaters), etc
Grandorder: Ferae - Carnivomorpha , Creodonta , Oxyaenidae , Hyaenodontidae
Crown Order: Carnivoramorpha - Miacoidea , Carnivora
Order : Carnivora (carnivores), Miacidae (ancestral carnivore), Viverravidae , Nimravidae , Amphicyonidae (Bear-dogs), Viverridae (civets, genets, mongooses), Ursidae (bears), Felidae (cats), Canidae , Procyonidae (raccoons), Otariidae (sea lions), Phocidae (seals), Odobenidae (walruses), Mustelidae (weasels), Herpestidae (mongooses), Hyaenidae (hyenas)
Infraorder Miacoidea /Miacoid Group † (45-65 Ma)
Suborder: Caniformia (Canidae , Arctoidae , † Amphicyonidae , Ursidae , Ailuridae , Mephitidae , Mustelidae , Procyonidae , Pinnipedia )
Superfamily: Canoidea (dog-like carnivores)
Family : Canidae (Canids -from the German: Caniden-Canidenformen) - († Hesperocyoninae , † Borophaginae (Tomarctus ), Caninae )
Subfamily: Caninae - † Eucyon (8 Ma ), wolves , Vulpes (foxes ), jackals , coyotes , dingos , dogs
Tribe Canini (True Dogs)
Genus : Canis - wolves, coyotes, foxes, jackals Canis davisi
Species : Canis lupus - gray wolf
Subspecies : Canis lupus familiaris - domestic dogs
Breed : Norwegian Elkhound
Given Name: Kodiak Bear
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