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List of the prehistoric life of Wyoming

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In this page talks about ( List of the prehistoric life of Wyoming ) It was sent to us on 11/06/2021 and was presented on 11/06/2021 and the last update on this page on 11/06/2021

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  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
    • † Agassizodus variabilis
  • † Agnostogonus
  • † Amphiscapha
  • † Amplexus
    • † Anarthraspis chamberlini
  • † Archaeocidaris
  • † Astraspis
    • † Astraspis desiderata
  • † 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
  • † Burnetia
  • † Campodus
  • † Caninia
  • † Cardipeltis
    • † Cardipeltis wallacii
  • † 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
  • File:Compositafossil.jpgthumbupright=0.74Fossilized shell of the Late Devonian-Permian brachiopod Composita † 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
    • † Ctenacanthus amblyxiphias
  • † Cyrtogomphoceras
  • † Deckera
  • † Dentalium
  • † Distichophytum
  • † Drepanophycus
  • † Earlandia
  • † Edmondia
  • File:Endoceras.JPGthumbupright=0.896Fossilized shells and restored appearances of the Middle-Late Ordovician nautiloid cephalopod Endoceras † Endoceras
  • † Euomphalus
  • † Favosites
  • † Gastrioceras – report made of unidentified related form or using admittedly obsolete nomenclature
  • † Genevievella
  • † Geragnostus
  • † Girvanella
  • † Glikmanius
    • † Glikmanius occidentalis
  • † Glyptopleura
  • † Goniatites – tentative report
  • † Gosslingia
  • File:Helicoprion bessonovi cropped.pngupright=1thumbLife restoration of the Permian Chimaera relative Helicoprion † Helicoprion
    • † Helicoprion davisii
  • † Homagnostus
  • † Hyolithes
  • † Hypseloconus
  • † Idiognathoides
  • † Ithyektyphus
  • † Janassa
  • † Kendallina
  • † Kingstonia
  • † Kionoceras
  • † Kochoceras
  • † Lambeoceras
  • † Leclercqia
  • † Lingula
  • † Lingulella
  • † Liroceras
  • † Lonchocephalus
  • † Maryvillia
  • † Metacoceras
  • File:Meteoraspis cropped.pngthumbupright=0.74Restoration of the Cambrian trilobite Meteoraspis † Meteoraspis
  • † Micromitra
  • † Minicephalus – type locality for genus
  • † Naticopsis
    • † Naticopsis judithae
    • † Naticopsis kaibabensis
    • † Naticopsis marthaae – or unidentified comparable form
  • † Neospirifer
    • † Neospirifer bakeri
  • Nucula – tentative report
  • † Olenoides
  • † Ozarkodina
  • † Paladin
  • † Paractinoceras
  • † Peripetoceras
  • File:Plaesiomyiidae - Plesiomys subquadrata.JPGthumbupright=0.74Fossilized shell of the Ordovician brachiopod Plaesiomys † Plaesiomys
  • † Platyceras
  • † Platystrophia
  • † Posidonia
  • † Prodentalium
  • † Protaspis
  • † Pseudomelania – tentative report
  • † Psilophyton
  • † Rawlinsella
  • † Renalia
  • † Sallya
  • File:Saukiidae - Saukiella pepinensis.JPGthumbupright=1Fossil of the Cambrian-Ordovician trilobite Saukiella † Saukiella
  • † Sawdonia
  • Solemya
  • † Solenochilus
  • † Spiriferina
  • † Spyroceras
  • † Stearoceras
  • † Streptognathodus
  • † Strophomena
  • † Syspacheilus
  • † Tainoceras
  • † Tetrataxis
  • File:Tricrepicephalus texanus CRF.jpgthumbupright=0.5Fossil of the Cambrian trilobite Tricrepicephalus † Tricrepicephalus
  • † Uncaspis
  • † Uranolophus
  • † Westonoceras
  • † Wilkingia
  • † Winnipegoceras
  • † Worthenia
  • † Zellerina

Mesozoic


Selected Mesozoic taxa of Wyoming

  • File:Sturgeon2.jpgthumbupright=1Illustration of a living Acipenser sturgeon Acipenser
  • † 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
  • File:Allosaurus Revised.jpgthumbupright=1Life restoration of the Late Jurassic theropod dinosaur Allosaurus † Allosaurus – type locality for genus
    • † 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
  • File:Ankylosaurus magniventris reconstruction.pngupright=1thumbalt=Image of restored specimen of a squat quadruped with knobby backLife restoration of the Late Cretaceous armored dinosaur Ankylosaurus † Ankylosaurus
    • † Ankylosaurus magniventris
  • Anomia
  • Anona
  • Antrimpos
  • † Apatosaurinae
  • † Apatosaurus
    • † Apatosaurus louisae
    • † Apatosaurus minimus
  • † Aploconodon – type locality for genus
    • † Aploconodon comoensis – type locality for species
  • Aporrhais
  • † Aquilina – type locality for genus
  • Aralia
  • File:Araucaria araucana cones.jpgthumbuprightFoliage and cones of a living Araucaria tree Araucaria
  • 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
    • † Aublysodon mirandus
  • File:Baculites grandis shell.JPGthumbupright=0.74Fossilized shell of the Late Cretaceous ammonoid cephalopod Baculites † 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
  • File:Barosaurus lentus1.jpgthumbupright=0.727Restoration of the Late Jurassic sauropod dinosaur Barosaurus rearing to defend itself against a pair of the theropod Allosaurus † Barosaurus
    • † Barosaurus lentus
  • † Basilemys
  • † Belonostomus
    • † Belonostomus longirostris
  • Bombur
  • † Borealosuchus
    • † Borealosuchus sternbergii – type locality for species
  • Botula
    • † Botula ripleyana
  • Brachaelurus
  • † Brachiosaurus
  • † Brachybrachium – type locality for genus
    • † Brachybrachium brevipes – type locality for species
  • † Brachychampsa
    • † Brachychampsa montana
  • † Brachyphyllum
  • † Brontopodus – or unidentified comparable form
  • File:Brontosaurus NT small.jpgthumbuprightLife restoration of a herd of the Late Jurassic sauropod dinosaur Brontosaurus † Brontosaurus – type locality for genus
    • † 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
  • File:Ceratosaurus nasicornis DB.jpgthumbupright=1.329Restoration of the Late Jurassic ceratosaur Ceratosaurus † Ceratosaurus
  • Cercidiphyllum
  • Cerithium – tentative report
  • † Chamops – type locality for genus
  • † Champsosaurus
  • † Chelonipus – or unidentified comparable form
  • Chiloscyllium
  • † Chirotherium
    • † Chirotherium barthii
  • Chlamys
  • † Chondroceras
  • † Cimexomys
    • † Cimexomys minor
  • † Cimolestes
    • † Cimolestes incisus – type locality for species
    • † Cimolestes stirtoni – type locality for species
  • † Cimolodon
    • † Cimolodon nitidus – type locality for species
  • File:Ptilodus.jpgthumbupright=0.735Life restoration of the face of the Late Cretaceous multituberculate mammal Cimolomys † 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
    • † Claraia clarai
    • † Claraia mulleri
    • † Claraia stachei
  • † Clemensodon – type locality for genus
    • † Clemensodon megaloba – type locality for species
  • † Coelosuchus – type locality for genus
  • File:Coelurus BW.jpgthumbuprightLife restoration of the Late Jurassic primmitive tyrannosaur Coelurus † Coelurus – type locality for genus
    • † Coelurus fragilis – type locality for species
  • † Collignoniceras
    • † Collignoniceras woollgari
  • † 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
  • File:Coniophis Marsh 1892.pngupright=1thumbIllustration of fossilized vertebrae of the Late Cretaceous-Eocene snake Coniophis. Othniel Charles Marsh (1892). † Coniophis – type locality for genus
  • † Corax
  • Corbula
  • † Coriops
  • † Corosaurus
    • † Corosaurus alcovensis
  • Crenella
  • † Cretorectolobus
    • † Cretorectolobus olsoni
  • † 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
  • File:Deinonychus_ewilloughby.pngupright=1thumbLife restoration of the Early Cretaceous dromaeosaur ("raptor") Deinonychus † Deinonychus
    • † Deinonychus antirrhopus
  • † Deltatheroides – or unidentified comparable form
  • † Dennstaedtia
  • Dentalium
    • † Dentalium pauperculum
  • † Derrisemys
  • † Desmatosuchus
  • † Dicotyledon
  • File:Didelphodon NT small.jpgthumbupright=1Restoration of the Late Cretaceous marsupial relative Didelphodon † Didelphodon
  • † Didymoceras
    • † Didymoceras nebrascense
    • † Didymoceras stevensoni
  • † Dinochelys
  • † Diospyros
  • † Diplocraterion
  • † Diplodocinae
  • File:Diplodocus carnegii.jpgupright=1thumbLife restoration of the Late Jurassic long-necked dinosaur Diplodocus † 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
  • File:Dolichorhynchops.jpgthumbuprightMounted fossilized skeleton of the Late Cretaceous plesiosaur Dolichorhynchops † Dolichorhynchops
    • † Dolichorhynchops bonneri – type locality for species
    • † Dolichorhynchops osborni
  • † 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
    • File:Anatotitan BW.jpgthumbupright=1Life restoration of the Late Cretaceous duck-billed dinosaur Edmontosaurus annectens † Edmontosaurus annectens – type locality for species
  • † 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
    • † Essonodon browni
  • File:Eubostrychoceras japonicum.jpgthumbupright=0.5Fossilized shell of the Late Cretaceous ammonoid cephalopod Eubostrychoceras † Eubostrychoceras
  • † Eubrachiosaurus – type locality for genus
    • † Eubrachiosaurus browni – type locality for species
  • † Eucalycoceras
  • † Eucrossorhinus
  • † Euomphaloceras
  • † Euspira
  • † Euthlastus – type locality for genus
  • † Eutrephoceras
  • † Eutretauranosuchus
    • † Eutretauranosuchus delfsi
  • † Exiteloceras
  • † Exogyra
    • † Exogyra costata
  • Fasciolaria
  • Ficus
  • † Forresteria
  • † Fosterovenator – type locality for genus
  • † Foxraptor – type locality for genus
  • † Fraxinus
  • † Galeamopus
    • † Galeamopus hayi
    • † Galeamopus pabsti – type locality for species
  • File:Gargoyleosaurus.pngthumbuprightMounted fossilized skeleton of the Late Jurassic armored dinosaur Gargoyleosaurus † Gargoyleosaurus
    • † Gargoyleosaurus parkpinorum
  • 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
  • File:Gobiconodon ostromi.JPGthumbuprightFossilized skeleton of the Middle Jurassic-Late Cretaceous mammal Gobiconodon † 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
  • File:Hesperosaurus NT.jpguprightthumbLife restoration of the Late Jurassic stegosaur Hesperosaurus † Hesperosaurus – type locality for genus
    • † 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
  • File:Inoceramus steenstrup, world's largest fossil mollusk.jpgthumbupright=0.734Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size † Inoceramus
    • † 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
  • File:Buettneria.jpgthumbupright=1.235Fossilized skeleton of the Late Triassic amphibian Koskinonodon † Koskinonodon – type locality for genus
  • † 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
  • File:Leptoceratops BW.jpgthumbuprightLife restoration of the Late Cretaceous primitive horned dinosaur Leptoceratops † Leptoceratops
    • † Leptoceratops gracilis
  • Lima
  • Lingula
  • Liquidambar
  • † Lisserpeton
    • † Lisserpeton bairdi
  • † 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
  • † Mecochirus
  • File:Megalneusaurus027 cropped.pngthumbuprightLife restoration of the Late Jurassic plesiosaur Megalneusaurus † 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
  • File:Microvenator.jpgthumbuprightLife restoration of the Early Cretaceous oviraptorosaur Microvenator † Microvenator
    • † Microvenator celer
  • Modiolus
  • † Morosaurus
  • † Myledaphus
    • † Myledaphus bipartitus
  • † Myophorella
    • † Myophorella yellowstonensis
  • Myrica
  • † Mytilus
  • † Nanocuris
  • † Nanosaurus
    • † Nanosaurus rex
  • † 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
  • thumbrightHistorical reconstruction of the holotype skeleton from 1921 † Nodosaurus – type locality for genus
    • † Nodosaurus textilis – type locality for species
  • † Normannites – tentative report
  • Nucula
  • † Obamadon
    • † Obamadon gracilis
  • † Odaxosaurus – type locality for genus
    • † Odaxosaurus piger – type locality for species
  • Odontaspis
  • † Oklatheridium
  • † Onoclea
  • † Ophiopsis
  • File:Ophthalmosaurus BW.jpgupright=1thumbLife restoration of the Late Jurassic ichthyosaur Ophthalmosaurus † Ophthalmosaurus
    • † Ophthalmosaurus natans
  • † 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
    • † Osmakasaurus depressus
  • Ostrea
  • † Othnielia
  • † Othnielosaurus
    • † Othnielosaurus consors – type locality for species
  • † Oxytoma
  • File:Pachycephalosaurus wyomingensis dinosaur (Upper Cretaceous; Montana, USA).jpgthumbrightPachycephalosaurus † Pachycephalosaurus
    • † Pachycephalosaurus wyomingensis – type locality for species
  • † Pachyrhizodus
  • † Pachyteuthis
  • † Palaeobatrachus
  • † Palaeosaniwa – type locality for genus
    • † Palaeosaniwa canadensis – type locality for species
  • † Paleopsephurus
    • † Paleopsephurus wilsoni
  • † Paleorhinus
    • † Paleorhinus parvus – type locality for species
  • † Paliurus
  • † Pantosaurus – type locality for genus
    • † Pantosaurus striatus – type locality for species
  • † Paracimexomys
    • † Paracimexomys priscus
  • † Paradiscoglossus – type locality for genus
  • † Paralbula
  • † Paramacellodus
  • File:Paleorhinus.jpgthumbupright=1.086Life restoration of the Late Triassic phytosaur Parasuchus † 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
  • File:Arecaceae - Phoenicites.JPGthumbrightPhoenicites † Phoenicites – or unidentified comparable form
  • Pholadomya
    • † Pholadomya inaequiplicata
    • † Pholadomya kingi
  • † Phragmites
  • Phyllodus
  • Physa – or unidentified comparable form
  • † Piceoerpeton
  • Pinna
  • Pinus
  • Pistacia
  • † Pistia
  • † Placenticeras
    • † Placenticeras intercalare
    • † Placenticeras meeki
    • † Placenticeras pseudoplacenta
  • † Plagiostoma
  • Planorbis
  • Platanus
  • File:Platecarpus2010.jpguprightthumbLife restoration of the Late Cretaceous mosasaur Platecarpus † Platecarpus
    • † Platecarpus tympaniticus
  • † Platymya
  • † Platypterygius
  • † Plesiobaena
  • † Plesiopleurodon – type locality for genus
    • † Plesiopleurodon wellesi – type locality for species
  • † Plesiosaurus
  • Plicatula
  • Polinices
  • † Polycotylus
  • File:Poposaurus gracilis (1).jpgupright=1.249thumbRestoration of the Late Triassic crocodile relative Poposaurus with an anachronistic human to scale † Poposaurus – type locality for genus
    • † 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
  • File:Protungulatum donnae cropped.jpgthumbuprightFossilized mandible of the Late Cretaceous-Paleocene mammal Protungulatum † Protungulatum – tentative report
  • Prunus
  • † Psalodon
    • † Psalodon fortis – type locality for species
    • † Psalodon marshi – type locality for species
    • † Psalodon potens – type locality for species
  • † Pseudoperna
    • † Pseudoperna congesta
  • † Pteraichnus
    • † Pteraichnus stokesi – type locality for species
  • File:Pteranodon longiceps mmartyniuk wiki.pnguprightthumbLife restoration of the Late Cretaceous pterosaur Pteranodon † Pteranodon
    • † Pteranodon longiceps
  • † Pteria
  • † Pterodactylus
    • † Pterodactylus montanus – type locality for species
  • † Ptilotodon
  • † Ptychotrygon
    • † Ptychotrygon boothi – type locality for species
  • Quercus
  • † Rhamnus
  • Rhinobatos
  • † Rhizocorallium
  • † Richardoestesia
    • † Richardoestesia isosceles
  • 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
    • † Sauropelta edwardsorum
  • File:Sauroposeidon Scale Diagram Steveoc86.svgthumbuprightDiagram illustrating the Early Cretaceous long-necked dinosaur Sauroposeidon with anachronistic humans to scale † Sauroposeidon
    • † Sauroposeidon proteles
  • † Saurornithoides – or unidentified comparable form
  • † Saurornitholestes
  • † Sauvagesia
  • † Scapanorhynchus
    • † Scapanorhynchus texanus
  • † Scapherpeton
  • † Scaphites
    • † Scaphites aquilaensis
    • † Scaphites binneyi
    • † Scaphites hippocrepis
    • † Scaphites stantoni
    • † Scaphites ventricosus
    • † Scaphites whitfieldi
  • † Scotiophryne
  • Scyliorhinus
  • File:Selaginella-sp.jpgthumbuprightA living Selaginella, or spikemoss † Selaginella
  • Sequoia
  • † Skolithos
  • † Smilax
  • † Socognathus
  • Solemya
  • † Sparganium
  • Sphaerium – or unidentified comparable form
  • † Sphenodiscus
    • † Sphenodiscus lobatus – or unidentified comparable form
    • † Sphenodiscus pleurisepta
  • † Sphenopteris
  • File:Squalicorax falcatusDB.jpgthumbupright=1Restoration of the Late Cretaceous shark Squalicorax Squalicorax
    • † Squalicorax kaupi
    • † Squalicorax pristodontus
  • † Squatirhina
    • † Squatirhina americana – type locality for species
  • † Staphylea
  • † Stegopelta – type locality for genus
    • † Stegopelta landerensis – type locality for species
  • File:Stegosaurus stenops sophie wiki martyniuk.pngthumbupright=1.079Restoration of the Late Jurassic stegosaur Stegosaurus † Stegosaurus – type locality for genus
    • † 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
    • † Stokesosaurus clevelandi
  • † Struthiomimus – or unidentified comparable form
  • † Styxosaurus
    • † Styxosaurus browni – type locality for species
  • File:Supersaurus NT crop.pngupright=1.226thumbRestoration in multiple views of the Late Jurassic sauropod dinosaur Supersaurus with an anachronistic human to scale † Supersaurus
    • † Supersaurus vivianae
  • † 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
    • † Tenontosaurus tilletti
  • Teredo
  • † Thalassinoides
  • † Theatonius – type locality for genus
  • † Theretairus – type locality for genus
  • File:Thescelosaurus filamented.jpgthumbupright=1Life restoration of the Late Cretaceous herbivorous dinosaur Thescelosaurus † Thescelosaurus – type locality for genus
    • † 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
    • † Tragodesmoceras carlilense
  • † Trapa
  • File:LA-Triceratops mount-2.jpgthumbuprightMounted fossilized skeleton of the Late Cretaceous horned dinosaur Triceratops † Triceratops – type locality for genus
    • † 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
    • † Trigonia americana
    • † Trigonia elegantissima
    • † Trigonia montanaensis
    • † Trigonia quadrangularis
  • † Trioracodon
    • † Trioracodon bisulcus – type locality for species
  • † Troodon
    • † Troodon formosus
  • Typha
  • File:Tyrannosaurus Rex Holotype.jpgthumbupright=0.77Fossilized skeleton of the Late Cretaceous tyrannosaur Tyrannosaurus † Tyrannosaurus – type locality for genus
    • † 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
  • File:Zamites mariposana.jpgthumbuprightFossil of the Early Triassic-Eocene cycad-like frond Zamites † Zamites
    • † Zamites arcticus
    • † Zamites borealis
    • † Zamites brevipennis
  • † 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
    • File:SharpshinnedHawk23.jpguprightthumbLiving adult (center) and chick (lower right) Accipiter striatus, or sharp-shinned hawks †Accipiter striatus
  • Acer
  • †Acidomomys – type locality for genus
  • †Acrostichum
  • †Adilophontes – type locality for genus
  • †Adocus
  • Aegialia
  • Aegolius
    • †Aegolius acadicus
    • †Aegolius funereus
  • File:Aepycamelus Alticamelus hharder.jpgthumbuprightLife restoration of the Miocene camel Aepycamelus, or the long-necked camel. Heinrich Harder (1920). †Aepycamelus
  • †Aesculus
  • †Afairiguana – type locality for genus
    • †Afairiguana avius – type locality for species
  • Agelaius
    • †Agelaius phoeniceus
  • †Agnotocastor
    • †Agnotocastor galushai – type locality for species
  • †Agriochoerus
  • †Ailanthus
  • †Alastor
  • Alces
    • †Alces alces
  • †Alchornea – or unidentified related form
  • †Aletodon
  • File:The American journal of science (1880) (17965682808).jpgthumbrightAletomeryx †Aletomeryx
  • 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
    • File:Northern Shoveler by Dan Pancamo.jpgthumbuprightA living Spatula clypeata, or northern shoveler †Anas clypeata
    • †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
    • †Antilocapra americana
  • Apalone
  • †Aphelops
  • Aquila
    • †Aquila chrysaetos
  • Aralia
  • Araneus
  • †Araucaria
  • †Archaeocyon
  • †Archaeotherium
  • †Archaerhineura – type locality for genus
  • †Arctocyon
  • File:ArctodusSimusReconstruct.jpgupright=0.884thumbRestoration of an Arctodus, or short-faced bear, with a human to scale †Arctodus
    • †Arctodus simus
  • †Arctostaphylos
  • †Arenahippus
  • †Aristolochia
  • †Armintomys
    • †Armintomys tullbergi
  • †Artocarpus – tentative report
  • †Asarkina
  • Asio
    • †Asio flammeus
    • File:Asio otus -Battlefield Falconry Centre, Shrewsbury, Shropshire, England-8a.jpgthumbupright=0.5A living Asio otus, or long-eared owl †Asio otus
  • †Asplenium
  • †Astronium
  • †Athyana
  • †Avunculus
  • Aythya
    • †Aythya collaris
  • Azolla
  • †Babibasiliscus – type locality for genus
  • †Baena
  • †Bahndwivici – type locality for genus
    • †Bahndwivici ammoskius – type locality for species
  • †Baiotomeus
    • †Baiotomeus douglassi
    • †Baiotomeus lamberti
  • File:Barylambda-faberi.jpgthumbuprightLife restoration of the Paleocene-Eocene pantodont mammal Barylambda †Barylambda
  • †Bathornis
  • †Bathygenys
  • †Bathyopsis
  • †Batodonoides
    • †Batodonoides vanhouteni – type locality for species
  • †Batrachosauroides – tentative report
  • Bauhinia
  • †Beilschmiedia
  • †Berosus
  • Betula
  • Biomphalaria
  • Bison
    • †Bison bison
  • †Bisonalveus – type locality for genus
    • †Bisonalveus browni – type locality for species
  • †Blechnum
  • Bledius
  • File:Boavus idelmani.JPGthumbupright=1Fossilized skeleton of the eocene-?Miocene boa snake Boavus †Boavus – type locality for genus
  • Boletina
  • †Bootherium
    • †Bootherium bombifrons
  • †Borealosuchus
    • †Borealosuchus formidabilis
    • †Borealosuchus wilsoni – type locality for species
  • †Boverisuchus
    • †Boverisuchus vorax
  • File:Brachycrus.jpgthumbuprightRestorative portrait of the Miocene oreodont mammal Brachycrus †Brachycrus
  • †Brachyhyops
  • †Brachyrhynchocyon
  • †Brachyuranochampsa – type locality for genus
    • †Brachyuranochampsa eversolei – type locality for species
  • Bracon
  • Branta
    • †Branta canadensis
  • †Brontops
  • †Bryophyte – or unidentified related form
  • Bubo
    • †Bubo virginianus
  • Buteo
    • File:Buteo jamaicensis -Pillar Point Harbor, California, USA-8.jpgthumbuprightA living Buteo jamaicensis, or red-tailed hawk †Buteo jamaicensis
    • †Buteo lagopus
    • †Buteo regalis – or unidentified comparable form
  • Buteogallus
  • †Caedocyon
    • †Caedocyon tedfordi – type locality for species
  • †Caenopus
  • †Caesalpinia
  • †Calamospiza
    • †Calamospiza melanocorys
  • Calidris
    • †Calidris melanotos
  • †Callomyia
  • †Camelops
    • †Camelops hesternus – or unidentified comparable form
  • †Canarium
  • †Canavalia
  • Canis
    • File:Canis lupus & dirus.jpgthumbupright=1.338alt=Skeletons look identicalModern mounted skeleton of Canis lupus, the grey wolf, to scale with a fossilized skeleton of the Pleistocene wolf Canis dirus, or dire wolf †Canis dirus
    • †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
    • †Capella gallinago
  • Caracara
    • †Caracara plancus
  • †Cardiospermum
  • Carduelis
  • †Carpolestes
    • File:CarpolestesCL.pngthumbuprightLife restoration of the Paleocene primate relative Carpolestes simpsoni †Carpolestes simpsoni – type locality for species
  • Carya
  • Castanea
  • Castor
  • †Catopsalis
    • †Catopsalis alexanderi
    • †Catopsalis calgariensis
  • Cedrela
  • †Cedrobaena – type locality for genus
  • †Celastrus
  • Celtis
  • †Centrocercus
    • †Centrocercus urophasianus
  • †Cephalogale
  • †Ceratophyllum
    • †Ceratophyllum muricatum
  • File:Ceratosuchus burdoshi e.jpgthumbuprightLife restoration of the Paleocene-Eocene crocodilian Ceratosuchus †Ceratosuchus
    • †Ceratosuchus burdoshi
  • Cercidiphyllum
  • †Cercopis
  • †Champsosaurus
  • Chara
  • Charadrius
    • †Charadrius montanus
    • †Charadrius vociferus
  • Charina
  • Cheilosia
  • †Chelomophrynus – type locality for genus
  • †Chilostigma – tentative report
  • Chironomus
  • File:Chisternon.jpgthumbuprightFossilized skeleton of the Eocene turtle Chisternon †Chisternon
  • †Cholula
  • †Choragus
  • †Chordeiles
    • †Chordeiles minor
  • †Chriacus
    • †Chriacus oconostotae
  • †Cimolestes
  • Cinnamomum
  • Circus
    • †Circus cyaneus
  • Cissus
  • †Cixius – tentative report
  • File:Cladrastis-kentukea-00.JPGthumbuprightFlowers of a living Cladrastis, or yellowwood Cladrastis
  • †Cnemidaria
  • †Coccothraustes
    • †Coccothraustes vespertinus
  • Cocculus
  • Colaptes
    • †Colaptes auratus
  • †Colodon
  • †Compsemys
  • †Coniophis
  • †Copecion
  • †Copelemur
  • †Corizus – tentative report
  • File:Cormocyon leptodus.JPGthumbupright=0.985Fossilized skull of the Oligocene-Miocene bone-crushing dog Cormocyon †Cormocyon
  • Cornus
  • Corvus
    • †Corvus brachyrhynchos
    • †Corvus corax
  • †Corylus
  • †Coryphodon
  • Crataegus
  • †Credneria
  • Crocodylus
    • File:Crocodylus affinis AMNH 6177.jpgthumbuprightFossilized skull of the Eocene crocodilian "Crocodylus" affinis †Crocodylus affinis – type locality for species
  • †Cryptocephalus
  • Cryptorhynchus
  • Cryptotis
  • Culex
  • Cyclocarya
  • †Cynarctoides
    • †Cynarctoides acridens
    • †Cynarctoides harlowi
    • †Cynarctoides luskensis – type locality for species
  • †Dalbergia
  • †Daphoenictis
  • File:Daphoenus.jpgthumbuprightLife restoration of the Miocene bear-dog Daphoenodon †Daphoenodon
  • †Daphoenus
    • †Daphoenus lambei
  • Dasyatis
  • †Davidia
  • †Dawsonicyon – type locality for genus
  • Dendragapus
    • †Dendragapus obscurus
  • †Dendropanax
  • †Dennstaedtia
  • †Desmatippus
  • †Desmatochoerus
  • †Desmocyon
  • †Diacodexis
  • †Diatryma – type locality for genus
  • †Diceratherium
  • Dicranomyia
  • Dicrostonyx
  • †Didymictis
  • †Dilophodon
  • †Dinictis
  • †Dinohyus
  • †Diospyros
  • †Diplocynodon
  • File:Diplomystus Vienna.jpgthumbuprightFossilized skeleton of the Early Cretaceous-Eocene bony fish Diplomystus preserved in the act of swallowing another fish †Diplomystus
    • †Diplomystus dentatus
  • †Dipoides
  • Dipteronia
  • Discus
  • †Dissacus
  • †Distylium
  • Dolichopus
  • †Dombeya
  • †Domnina
  • †Drimys
  • Dryopteris
  • File:Echmatemys stevensoniana AMNH 6084.jpgthumbupright=0.5Fossilized shell of the Eocene turtle Echmatemys †Echmatemys
  • †Ectocion
  • †Ectoconus
  • †Ectopistes
    • †Ectopistes migratorius
  • †Ectopocynus
  • †Elaeodendron
  • †Enhydrocyon
    • †Enhydrocyon basilatus
  • Enochrus
  • †Entelodon
  • File:Eobasileus cropped.pngthumbuprightLife restoration of a pair of the Eocene uintathere mammal Eobasileus. Charles R. Knight (1890s). †Eobasileus
    • †Eobasileus cornutus
  • †Eoconodon
    • †Eoconodon copanus
  • †Eohippus
  • †Eorhinophrynus
  • †Eostrix
  • †Eotitanops
  • †Epicaerus
  • †Epihippus
  • †Equisetum
  • Equus
    • File:Equus conversidens.jpgthumbuprightRestoration of the Pleistocene-Holocene Equus conversidens, or Mexican horse †Equus conversidens
  • Eremophila
    • †Eremophila alpestris
  • Erythrina
  • Esox
  • †Eucastor
  • †Eucommia
  • Eugenia
  • †Euparius
  • Euphagus
    • †Euphagus cyanocephalus
  • †Eusmilus
  • Eutamias
  • Fagus
  • Falco
    • †Falco columbarius
    • †Falco mexicanus
    • †Falco rusticolus
    • †Falco sparverius
  • Ficus
  • File:Fluvioviridavis.pngthumbupright=0.695Fossilized skeleton of the Eocene bird Fluvioviridavis †Fluvioviridavis – type locality for genus
  • †Fortuna
  • †Fraxinus
  • †Fulgora
  • †Gagadon
    • †Gagadon minimonstrum
  • †Galecyon
  • Galerita
  • †Gallinuloides – type locality for genus
  • Gastrocopta
  • Gerrhonotus – or unidentified comparable form
  • Ginkgo
    • †Ginkgo adiantoides
  • †Gleditsia – or unidentified related form
  • File:Glyptostrobus 01.jpgthumbuprightFossilized foliage of the cypress relative Glyptostrobus Glyptostrobus
    • †Glyptostrobus europaeus
  • †Goniacodon
  • Gopherus
  • †Gracilocyon
  • Grus
    • †Grus canadensis
  • Gulo
    • †Gulo gulo
  • †Gymnocladus
  • Gyraulus – or unidentified comparable form
  • †Habrosaurus
    • †Habrosaurus dilatus
  • †Hadrianus
  • †Hapalodectes
  • †Hapalorestes
  • †Haplolambda
  • †Harpagolestes
  • †Helaletes – type locality for genus
  • †Helix
  • File:Helodermoides tuberculatus AMNH 11311.jpgthumbuprightFossilized skull of the Oligocene lizard Helodermoides †Helodermoides
    • †Helodermoides tuberculatus
  • †Hemiauchenia
  • Hemitelia
  • †Heptodon
  • †Herpetotherium
    • †Herpetotherium knighti
  • †Hesperocyon
  • †Heteraletes
  • Hirundo – or unidentified comparable form
    • †Hirundo pyrrhonota
  • †Holospira
  • †Homogalax
  • †Hoplophoneus
  • †Hovenia
  • †Hutchemys
  • File:Hyaenodon NT small.jpguprightthumbLife restoration of the Eocene-Miocene creodont mammal Hyaenodon †Hyaenodon
    • †Hyaenodon crucians
    • †Hyaenodon horridus
    • †Hyaenodon megaloides
    • †Hyaenodon montanus
    • †Hyaenodon mustelinus
    • †Hyaenodon venturae
    • †Hyaenodon vetus
  • 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
  • File:Hypohippus.jpgthumbuprightLife restoration of the Miocene horse Hypohippus. Heinrich Harder (1920). †Hypohippus
  • †Hypolagus
  • †Hyporhina
  • †Hypsiops
  • †Hyrachyus
  • †Hyracodon
  • †Hyracotherium
    • †Hyracotherium vasacciense
  • †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
    • †Junco hyemalis
  • †Kalmia
  • †Kalobatippus
  • File:Knightia alta 01.jpgthumbuprightFossilized skeleton of the Eocene bony fish Knightia †Knightia
    • †Knightia eocaena
  • Koelreuteria
  • †Lagopus
    • †Lagopus leucurus – or unidentified comparable form
  • †Lambdotherium
  • †Lambertocyon
    • †Lambertocyon eximius
  • Lanius
    • †Lanius ludovicianus
  • Larus – or unidentified comparable form
  • Lathrobium
  • †Laurinoxylon
  • Laurus
  • Leiocephalus
  • Lepisosteus
  • File:Leptauchenia by Apokryltaros cropped.pngthumbupright=0.723Restoration of the Oligocene-Miocene oreodont mammal Leptauchenia †Leptauchenia
  • †Leptictis
  • †Leptocyon
  • †Leptolambda
  • †Leptomeryx
  • †Leptoreodon
  • †Leptotragulus
  • Lepus
  • †Leucosticte
    • †Leucosticte arctoa
  • †Limnocyon
    • †Limnocyon verus – type locality for species
  • †Limnofregata – type locality for genus
    • †Limnofregata azygosternon – type locality for species
  • Lindera
  • †Lisserpeton
    • †Lisserpeton bairdi
  • †Listronotus
  • †Lithophysa – type locality for genus
  • File:Lithornis.pngthumbuprightLife restoration of the Paleocene-Eocene bird Lithornis †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
    • File:Columbian mammoth cropped.pngthumbuprightalt=Painting of a family of mammoths walkingLife restoration of a herd of Mammuthus columbi, or Columbian mammoths. The extent of the fur depicted is hypothetical. Charles R. Knight (1909). †Mammuthus columbi
  • Marmota
  • †Megacerops
  • †Megalictis
    • †Megalictis ferox
  • †Meliosma
  • †Meniscotherium
  • †Menoceras
  • †Menops
  • †Mentoclaenodon
  • Mergus
    • †Mergus merganser
  • File:Merychippus insignis life restoration.jpgthumbuprightLife restoration of the Miocene three-toed horse Merychippus †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
  • File:Metacheiromys DB152.jpgthumbuprightLife restoration of the Eocene pangolin relative Metacheiromys †Metacheiromys
  • †Metamynodon
    • †Metamynodon planifrons – or unidentified comparable form
  • †Metarhinus
  • Metasequoia
    • †Metasequoia occidentalis
  • †Metatomarctus
  • †Miacis
  • †Michenia
  • †Microcosmodon
    • †Microcosmodon conus – type locality for species
    • †Microcosmodon rosei – type locality for species
  • Microphysula – or unidentified comparable form
  • †Microsyops
  • Microtus
    • †Microtus pennsylvanicus
  • †Mimetodon
    • †Mimetodon churchilli – type locality for species
  • †Mimoperadectes
    • †Mimoperadectes houdei – type locality for species
  • †Miniochoerus
  • †Miocyon
  • †Miohippus
  • File:Mioplossus Labracoides.jpgthumbupright=1Fossilized skeleton of the Eocene perch relative Mioplosus †Mioplosus
  • †Miotapirus
    • †Miotapirus harrisonensis – type locality for species
  • †Miotylopus
  • †Miracinonyx
    • †Miracinonyx studeri
  • †Mithrandir
  • Mnemosyne
  • †Monosaulax
  • File:Moropus and Daphoenus cropped.pngthumbupright=1Life restoration of the Miocene chalicothere mammal Moropus threatening a pair of the bear-dog Daphoenodon. Jay Matternes (1964). †Moropus
  • Morus
  • Mustela
    • †Mustela nigripes
  • Myrica
  • Myrmica
  • †Nanotragulus
  • †Neanis
  • †Nelumbo
  • †Neocathartes
    • †Neocathartes grallator
  • †Neoliotomus
    • †Neoliotomus conventus
    • †Neoliotomus ultimus
  • File:Neophrontops americanus fossil cropped.jpgthumbupright=0.5Mounted fossilized skeleton of the Miocene Neophrontops Neophrontops
    • †Neophrontops americanus
  • †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
  • File:Notogoneus osculus.pngthumbuprightFossilized skeleton of the Late Cretaceous-Eocene beaked salmon relative Notogoneus †Notogoneus
  • †Nototamias – or unidentified comparable form
  • †Nucifraga
    • †Nucifraga columbiana
  • Numenius
    • †Numenius americanus
    • †Numenius borealis
  • †Nyctea
    • †Nyctea scandiaca
  • †Nyssa
  • Ochotona
    • †Ochotona princeps
  • Ocotea
  • †Odaxosaurus
    • †Odaxosaurus piger
  • Ondatra
  • †Onoclea
  • File:Onychonycteris NT small.jpgthumbupright=0.74Restoration of the Eocene bat Onychonycteris †Onychonycteris – type locality for genus
    • †Onychonycteris finneyi – type locality for species
  • †Oodectes
  • Ophryastes
  • †Opisthotriton
  • Oreamnos
  • †Oreodontoides
  • Oreohelix
  • †Oreopanax
  • †Ormiscus
  • File:Orohippus pumilus - AMNH - DSC06339.JPGthumbuprightFossilized skeleton of the Eocene horse Orohippus †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
    • †Ovis canadensis
  • †Oxyacodon
  • †Oxyaena
  • File:Oxydactylus longipes.jpgthumbuprightLife restoration of a pair of the Oligocene-Miocene camel Oxydactylus. Robert Bruce Horsfall (1913). †Oxydactylus
  • †Pachyaena
  • Pachycondyla
  • †Palaearctonyx
  • †Palaeogale
  • †Palaeolagus
  • †Palaeonictis
  • †Palaeoryctes
  • †Palaeosinopa
  • †Palaeosyops
  • †Palatobaena – type locality for genus
  • †Paleoamphiuma – type locality for genus
  • Paliurus
  • Panthera
    • File:Lion (Panthera leo) (30941994012) cropped.jpgthumbupright=0.9A living Panthera leo, or lion †Panthera leo
  • †Pantolambda
  • †Paracathartes
    • †Paracathartes howardae
  • †Paracynarctus
  • †Paraenhydrocyon
    • †Paraenhydrocyon josephi
  • †Parahippus
  • †Paramys
  • †Parandrita
  • †Paratomarctus
  • †Paratylopus
  • †Parectypodus
    • †Parectypodus lunatus
    • †Parectypodus sinclairi
    • †Parectypodus sylviae
  • †Parictis
  • †Parvitragulus
  • File:Knight Patriofelis.jpgthumbuprightLife restoration of the Eocene creodont mammal Patriofelis. Charles R. Knight (1896). †Patriofelis
    • †Patriofelis ferox – type locality for species
  • †Patriomanis
  • †Peltosaurus
  • †Pelycodus
  • †Pentacosmodon
    • †Pentacosmodon pronus – type locality for species
  • †Peratherium
  • Perognathus
  • Peromyscus
  • Persea
  • †Phalaenoptilus
    • †Phalaenoptilus nuttallii
  • File:Phareodus testis, Buffalo Museum of Science cropped.jpgthumbuprightFossilized skeleton of the Paleocene-Eocene arowana relative Phareodus †Phareodus
    • †Phareodus encaustus
    • †Phareodus testis
  • †Phenacocoelus
  • †Phenacodontid
  • †Phenacodus
  • Phenacomys
  • †Philodendron – or unidentified related form
  • †Philotrox
    • †Philotrox condoni
  • File:Phlaocyon.pngthumbupright=0.5Illustration of a fossilized skull in multiple views of the Oligocene-Miocene bone-crushing dog Phlaocyon †Phlaocyon
    • †Phlaocyon annectens
    • †Phlaocyon minor
  • †Phoebe
  • Phragmites – tentative report
  • Phyllobius
  • Physa
  • Pica
    • †Pica pica
  • †Piceoerpeton – type locality for genus
  • Pinus
  • Pipilo
    • †Pipilo chlorurus
  • †Plagiomene
  • †Planera
  • †Planetetherium
    • †Planetetherium mirabile
  • †Plastomenoides
  • Platanus
  • Platycarya
  • Platynus
  • Plecia
  • File:Plesiadapis NT.jpgthumbuprightLife restoration of the Paleocene-Eocene primate Plesiadapis †Plesiadapis
    • †Plesiadapis cookei
  • †Poabromylus
  • †Poebrodon
  • †Poebrotherium
  • Polygyra
  • Populus
  • Porzana
    • †Porzana carolina
  • †Potamogeton
  • File:Presbyornis Enhancement.jpgthumbuprightLife restoration of the Paleocene-Eocene waterfowl Presbyornis †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
  • File:Knight Protoceras.jpgthumbuprightLife restoration of a female (left) and male of the Oligocene-Miocene even-toed ungulate Protoceras. Charles R. Knight (1896). †Protoceras
  • †Protochelydra
    • †Protochelydra zangerli – or unidentified comparable form
  • †Protohippus
  • †Protolabis
  • †Protomarctus
  • †Protorohippus
  • †Protostrix
  • †Protungulatum
    • †Protungulatum donnae
  • †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
  • File:Ptilodus kummae cropped.jpguprightthumbFossilized skeleton of the Paleocene multituberculate mammal Ptilodus †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
    • †Puma concolor
  • Pupilla – or unidentified comparable form
  • †Pyramidula
  • †Pyrocyon
  • Quercus
  • Quiscalus – or unidentified comparable form
  • File:Merycodus osborni cropped.pngthumbuprightLife restoration of the Miocene-Pliocene pronghorn Ramoceros and Cosoryx. Robert Bruce Horsfall (1913). †Ramoceros
  • †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
    • †Salpinctes obsoletus
  • †Salvinia
  • File:Saniwa ensidens.jpgthumbupright=0.5Fossilized skeleton of the Eocene monitor lizard Saniwa †Saniwa – type locality for genus
    • †Saniwa ensidens – type locality for species
  • †Sapindus
  • Sassafras
  • †Scapherpeton
  • †Schoepfia
  • Sciara
  • †Sciophila
  • Sequoia
  • †Sespia
  • †Shoshonius
    • †Shoshonius bowni
    • †Shoshonius cooperi
  • †Sialia
  • †Sifrhippus
  • †Simoedosaurus
  • †Sinomenium – or unidentified related form
  • File:Sinopa rapax 1.jpgthumbupright=0.705Fossilized skeleton of the Eocene-Oligocene creodont mammal Sinopa †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
    • †Sorex hoyi
  • †Sparganium
  • †Spathorhynchus – type locality for genus
    • †Spathorhynchus fossorium – type locality for species
    • †Spathorhynchus natronicus
  • Spermophilus
    • †Spermophilus variegatus
  • †Sphenocoelus
  • Spirodela
  • †Spiza
    • †Spiza americana
  • Stagnicola
  • †Stegobium
  • †Steneofiber
  • File:Stenomylus.jpgthumbupright=0.741Life restoration of the Oligocene-Miocene camel Stenomylus †Stenomylus
    • †Stenomylus gracilis
    • †Stenomylus hitchcocki
    • †Stenomylus keelinensis
  • Sterculia
  • †Stillingia
  • Sturnella
    • †Sturnella neglecta
  • †Stygimys
    • †Stygimys kuszmauli
  • †Stylemys
  • †Stylinodon
  • †Styrax
  • †Subhyracodon
  • Surnia
    • †Surnia ulula
  • †Suzanniwana – type locality for genus
    • †Suzanniwana patriciana – type locality for species
    • †Suzanniwana revenanta – type locality for species
  • †Swartzia
  • Sylvilagus
  • Symplocos
  • Synaptomys
  • File:Syndyoceras BW.jpgthumbuprightLife restoration of the Miocene protoceratid mammal Syndyoceras †Syndyoceras
    • †Syndyoceras cooki
  • Syrphus
  • Tachycineta – or unidentified comparable form
    • †Tachycineta bicolor
  • †Taeniolabis
    • †Taeniolabis taoensis
  • Tamias
  • †Tanymykter
  • †Tapocyon
  • †Tarka
  • Taxidea
    • †Taxidea taxus
  • Taxodium
  • †Taxonus
  • †Teilhardina
  • File:Teleoceras Horsfall cropped.jpgthumbupright=1.179Restoration of the Miocene-Pliocene rhinoceros Teleoceras †Teleoceras
  • †Telmatherium
  • †Temnocyon
  • †Tetraclaenodon
  • Thelypteris
  • †Thouinia
  • †Thuja
  • Tilia
  • Tipula
  • File:Titanoides2010.jpgthumbupright=1Life restoration of the Paleocene pantodont mammal Titanoides †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
    • †Turdus migratorius
  • †Tylocephalonyx
  • Tympanuchus
    • †Tympanuchus phasianellus
  • Typha – or unidentified related form
  • †Tytthaena
  • †Uintacyon
  • File:Uinttather DB.jpgthumbuprightLife restoration of the Eocene mammal Uintatherium †Uintatherium – type locality for genus
    • †Uintatherium anceps – type locality for species
  • Ulmus
  • Unio
  • Ursus
    • †Ursus arctos
  • †Ustatochoerus
  • †Valenia
  • †Valenopsalis
  • †Vassacyon
  • †Vauquelinia
  • File:Viburnum opulus C.jpgthumbupright=0.732Leaves and fruit of a living Viburnum. †Viburnum
  • †Vinea – or unidentified comparable form
  • Vitis
  • †Viverravus
  • Viviparus
  • †Vulpavus
  • Vulpes
    • †Vulpes vulpes
  • †Woodwardia
  • †Xanclomys
    • †Xanclomys mcgrewi – type locality for species
  • †Xyronomys
  • File:Ysengrinia.jpgthumbupright=1.121Life restoration of the Miocene bear dog Ysengrinia †Ysengrinia
  • †Zamia
  • Zelkova
  • Zenaida
  • Zizyphus
  • †Zodiolestes
  • Zonotrichia
    • †Zonotrichia albicollis

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