List of the prehistoric life of Oklahoma

This list of the prehistoric life of Oklahoma contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Oklahoma.

Precambrian

The Paleobiology Database records no known occurrences of Precambrian fossils in Alabama.

Paleozoic

Main article: List of the Paleozoic life of Oklahoma

Selected Paleozoic taxa of Oklahoma

• †Abyssomedon – type locality for genus
  • †Abyssomedon williamsi – type locality for species

• 

  Restoration of the Permian amphibian Acheloma

  †Acheloma
  • †Acheloma cumminsi – or unidentified comparable form
  • †Acheloma dunni – type locality for species
• †Acleistorhinus – type locality for genus
  • †Acleistorhinus pteroticus – type locality for species
• †Albertoceras
• †Alethopteris
  • †Alethopteris serlii
• †Alexandrinia
  • †Alexandrinia directa – type locality for species
• Ammodiscus
• †Amphiscapha
• †Anabathra
• †Ananaspis
• †Anataphrus
• †Angelosaurus
  • †Angelosaurus romeri – type locality for species
• † Anisophyllum

• 

  Fossil of the Carboniferous horsetail relative Annularia

  †Annularia
  • †Annularia sphenophylloides
  • †Annularia stellata
• †Anomphalus
• †Anthracoceras
• †Aphlebia
• †Archaeocidaris
• Archaeolithophyllum
• † Archeria
• †Archimedes
  • †Archimedes distans
  • †Archimedes meekanoides
  • †Archimedes meekanus – or unidentified comparable form
• †Arkanites
• †Aspidosaurus – or unidentified comparable form
• †Athyris
• †Atrypa

• 

  Mold fossil of a shell of the Early Devonian-Late Triassic bivalve Aviculopecten

  †Aviculopecten
  • †Aviculopecten halensis
  • †Aviculopecten multilineatus
  • †Aviculopecten nodocosta – type locality for species
• †Avonia – tentative report
• †Axinolobus
• †Baeotherates – type locality for genus
  • †Baeotherates fortsillensis – type locality for species
• †Bellerophon
• †Benthamaspis
• †Bicornella
• †Bilinguites
• †Bisatoceras – type locality for genus
• †Bolbocephalus
• †Bolosaurus
  • †Bolosaurus grandis – type locality for species
  • †Bolosaurus striatus
• †Bolterpeton – type locality for genus
• †Bothriocidaris

• 

  Life restoration of the Permian amphibian Cacops

  †Cacops
  • †Cacops morrisi – type locality for species
  • †Cacops woehri – type locality for species
• †Calamites
• †Callipteris
• †Calymene
  • †Calymene clavicula
• †Calyptaulax
• †Camarotoechia
• † Camerate
• †Campbelloceras
• †Cancelloceras
• †Capnophyllum

• 

  Fossilized skeletons of the Permian reptile Captorhinus

  †Captorhinus
  • †Captorhinus aguti
• †Cardiocephalus
  • †Cardiocephalus peabodyi – type locality for species
  • †Cardiocephalus sternbergi – or unidentified comparable form
• †Carolinites
• †Ceramopora
• †Ceratiocaris
• † Ceratocephala
• †Ceraurinella
• †Ceraurus

• 

  Fossil of the Cambrian-Middle Devonian trilobite Cheirurus

  †Cheirurus
• †Chonetes
  • †Chonetes mesoloba
• †Cladochonus
• †Cleiothyridina
  • †Cleiothyridina orbicularis
• †Clepsydrops
• Cliona
• †Colobomycter – type locality for genus
  • †Colobomycter pholeter – type locality for species
• †Composita
  • †Composita mexicana
  • †Composita rotunda
  • †Composita subcircularis
  • †Composita subtilita
• †Coolinia
• †Cordania
  • †Cordania falcata
• †Cordylodus
• †Cornulites

• 

  Mounted fossilized skeleton of the Permian synapsid (mammal precursor) Cotylorhynchus

  †Cotylorhynchus – type locality for genus
  • †Cotylorhynchus bransoni – type locality for species
  • †Cotylorhynchus romeri – type locality for species
• Crania
• †Craniops
• †Cravenoceras
• †Cricotus
• †Crossotelos – type locality for genus
• †Ctenacanthus – report made of unidentified related form or using admittedly obsolete nomenclature
• †Curtognathus
• †Cybelopsis
• †Cycloceras
• †Cyclonema

• 

  Fossilized foliage from the Carboniferous seed fern Cyclopteris

  †Cyclopteris
• †Cyphaspis
• †Cyrtograptus
• †Cystodictya
  • †Cystodictya elegans – type locality for species
• †Dalmanites
• †Delorhynchus – type locality for genus
  • †Delorhynchus cifellii – type locality for species
  • †Delorhynchus priscus – type locality for species
• †Diacalymene
• †Diadectes
• †Dicoelosia
• †Dicranurus
  • †Dicranurus hamatus
• †Dictyonema
• †Dimeropygiella

• 

  Life restoration of the Permian synapsid (mammal precursor) Dimetrodon

  †Dimetrodon
  • †Dimetrodon dollovianus
  • †Dimetrodon limbatus – or unidentified comparable form
  • †Dimetrodon loomisi
  • †Dimetrodon macrospondylus
• †Diplocaulus – type locality for genus
  • †Diplocaulus magnicornis
• †Diplograptus
• †Discitoceras
• †Doleserpeton – type locality for genus
• †Domatoceras
• †Eatonia
• †Echinaria
• †Echinosphaerites
• †Ectosteorhachis

• 

  Life restoration of the Carboniferous-Permian synapsid (mammal precursor) Edaphosaurus

  †Edaphosaurus
  • †Edaphosaurus cruciger
• †Edestus – type locality for genus
• † Edmondia
• †Eodictyonella
• †Eospirifer
• †Epiphyton
• †Eryops
  • †Eryops megacephalus
• † Estheria
• †Eucalyptocrinites
• †Euryodus
  • †Euryodus dalyae – type locality for species
  • †Euryodus primus – or unidentified comparable form
• †Favosites
• †Fayella – type locality for genus
• †Feeserpeton – type locality for genus
  • †Feeserpeton oklahomensis – type locality for species

• 

  Fossil of the Middle Ordovician-Late Triassic bryozoan ("moss animal") Fenestella

  †Fenestella
  • †Fenestella cestriensis
  • †Fenestella exigua
• †Foerstia
• †Fragiscutum
• †Frencrinuroides
• †Fusulina
• †Gastrioceras
• †Girvanella
• †Glaphurochiton
• †Glyptopleura
• †Gnathodus

• 

  Life restoration of the Permian lungfish Gnathorhiza

  †Gnathorhiza
• †Goniatites
• †Gotlandochiton
• †Gymnophyllum
  • †Gymnophyllum wardi
• †Hallopora
• †Halysites
• †Hapsidopareion – type locality for genus
  • †Hapsidopareion lepton – type locality for species
• †Helminthochiton
• †Hibbertia
• †Hindia
• †Holopea – tentative report
• †Huntoniatonia
• †Idiognathodus
• †Illaenus

• 

  Fossil of the Middle-Late Ordovician giant trilobite Isotelus.

  †Isotelus
• †Ivoechiton
• †Jeffersonia
• †Kainops
• †Kawina
• †Kennedya
• †Kockelella
• †Krausella
• †Labidosaurikos – type locality for genus

• 

  Life restoration of the Permian reptile Labidosaurus

  †Labidosaurus
• †Leonaspis
• †Lepidodendron
• Lingula
• †Lingulella
• †Liroceras
• †Lisca
• Lithophaga
• †Llistrofus – type locality for genus
• †Lonchodomas
• †Lutesvillia

• 

  Life restoration of the Permian snake-like amphibian Lysorophus showing speculative egg-coiling behavior

  †Lysorophus
• †Macroleter
  • †Macroleter agilis – type locality for species
• †Marsupiocrinus
• †Maximites
• †Mcqueenoceras
• †Meganeuropsis
• †Meristella
• †Meristina
• †Metacoceras
• †Michelinoceras
• †Micraroter – type locality for genus
  • †Micraroter erythrogeios – type locality for species
• †Microleter – type locality for genus
  • †Microleter mckinzieorum – type locality for species
• †Micula – tentative report
• †Misthodotes
• Modiolus
• †Monograptus
• †Moravia

• 

  Life restoration of the Permian synapsid (mammal precursor) Mycterosaurus

  †Mycterosaurus – type locality for genus
  • †Mycterosaurus longiceps – type locality for species
• †Nannaroter – type locality for genus
• †Nannospondylus – type locality for genus
• †Naticopsis
  • †Naticopsis transversa – type locality for species
• †Neospirifer
  • †Neospirifer dunbari
• †Neuropteris
  • †Neuropteris heterophylla
  • †Neuropteris obliqua
  • †Neuropteris rarinervis
• Nucula
• †Odontochile
• †Oinochoe
• † Oliveria

• 

  Life restoration of the Carboniferous-Permian synapsid (mammal precursor) Ophiacodon

  †Ophiacodon
  • †Ophiacodon major
  • †Ophiacodon mirus – or unidentified comparable form
  • †Ophiacodon uniformis
• †Opisthodontosaurus – type locality for genus
• †Oromycter – type locality for genus
  • †Oromycter dolesorum – type locality for species
• †Orovenator – type locality for genus
  • †Orovenator mayorum – type locality for species
• †Orthacanthus
• †Orthoceras
• †Oulodus
• †Ozarkodina
  • †Ozarkodina confluens
• †Pachylyroceras

• 

  Fossil of the trilobite Paciphacops

  †Paciphacops
• †Paladin
• Palaeoaplysina – tentative report
• †Paleochiton
• †Paralegoceras
• †Pasawioops – type locality for genus
• †Pecopteris
  • †Pecopteris hemitelioides
• †Pentremites
• †Peripetoceras
• †Perryella – type locality for genus
• †Petalodus
• †Phillipsia – tentative report
• †Phragmolites
• †Pinnularia
• †Plaesiomys
• †Platyceras
• †Platycrinites
• †Platysomus
• †Platystrophia
• †Plectodonta
• †Pleuracanthus

• 

  Fossil of the Late Ordovician cystoid echinoderm Pleurocystites

  †Pleurocystites
• †Plicochonetes
• †Polygnathodella – type locality for genus
• †Polygnathus
• †Prioniodus
• †Prodentalium
• †Proetus
• †Protocaptorhinus
  • †Protocaptorhinus pricei
• †Punka
• †Rayella
• †Rayonnoceras
• †Reedops
• †Remopleurides
• †Reteocrinus
• †Rhopalia
• †Rhynchonkos
  • †Rhynchonkos stovalli – type locality for species
• Rogerella
• †Sagenodus
• † Sandia
• †Scytalocrinus

• 

  Fossilized skeleton of the Permian primitive four-limbed animal Seymouria

  †Seymouria
  • †Seymouria baylorensis
• †Sigillaria
• †Sillerpeton – type locality for genus
• †Skenidioides
• Solecurtus
• Solemya – report made of unidentified related form or using admittedly obsolete nomenclature
• †Solenochilus
• †Solenomorpha – tentative report
• †Sowerbyella
• †Sphaerexochus
• †Sphaerocoryphe

• 

  Fossilized leaves and branches of the Devonian-Triassic horsetail relative Sphenophyllum

  †Sphenophyllum
  • †Sphenophyllum emarginatum
  • †Sphenophyllum gilmorei
  • †Sphenophyllum latifolium – or unidentified comparable form
  • †Sphenophyllum stoukenbergi – tentative report
• †Sphenopteris
• †Spirifer
  • †Spirifer grimesi
  • †Spirifer opimus
• Spirorbis
• †Streptognathodus
• †Stroboceras

• 

  Fossilized shell of the Ordovician-Silurian brachiopod Strophomena

  †Strophomena
  • †Strophomena costellata
  • †Strophomena neglecta
  • †Strophomena perconcava – or unidentified comparable form
  • †Strophomena planumbona
• †Tainoceras
• †Tarphyceras
• †Tentaculites
• †Tersomius
  • †Tersomius texensis – or unidentified comparable form
• †Tetrataxis
• Textularia
• †Thoracoceras
• †Thrausmosaurus – type locality for genus
• †Trimerorhachis
  • †Trimerorhachis insignis
• †Urasterella
• †Varanodon – type locality for genus
  • †Varanodon agilis – type locality for species

• 

  Life restoration of the Permian synapsid (mammal precursor) Varanops

  †Varanops
  • †Varanops brevirostris – or unidentified comparable form
• †Vinella
• †Walchia
• †Watongia – type locality for genus
  • †Watongia meieri – type locality for species
• †Wilkingia
• †Worthenia
• †Wurmiella
  • †Wurmiella excavata
• †Xenacanthus
• Yoldia
• †Zatrachys

Mesozoic

• 

  Life restoration of the Early Cretaceous theropod dinosaur Acrocanthosaurus

  †Acrocanthosaurus – type locality for genus
  • †Acrocanthosaurus atokensis – type locality for species
• †Albanerpeton
  • †Albanerpeton arthridion
• †Allosaurus – type locality for genus
  • †Allosaurus fragilis – type locality for species
• Ammobaculites
  • †Ammobaculites subgoodlandensis – type locality for species
• †Apatosaurus
• †Arcellites
  • †Arcellites hexapartitus – or unidentified comparable form
• †Astroconodon
  • †Astroconodon denisoni – or unidentified comparable form
• †Astrodon
• †Atokasaurus – type locality for genus
  • †Atokasaurus metarsiodon – type locality for species
• †Atokatheridium – type locality for genus
  • †Atokatheridium boreni – type locality for species
• †Barosaurus
• †Bernissartia
• †Brachiosaurus

• 

  Mounted fossilized skeleton of the Late Jurassic long-necked dinosaur Brontosaurus

  †Brontosaurus
  • †Brontosaurus parvus
• †Camarasaurus
• †Camptosaurus
  • †Camptosaurus dispar
• †Caririchnium
  • †Caririchnium leonaridii
• †Ceratodus
• †Ceratosaurus – tentative report
• Cythere
  • †Cythere concentrica
• †Cythereis
  • †Cythereis carpenterae
  • †Cythereis mahonae
  • †Cythereis subgoodlandensis – type locality for species
• Cytherella
  • †Cytherella ovata
• Cytherelloidea
  • †Cytherelloidea rhomboidalis – type locality for species
  • †Cytherelloidea subgoodlandensis – type locality for species
• Cytheridea
  • †Cytheridea amygdaloides
  • †Cytheridea oliverensis
  • †Cytheridea rotundus – or unidentified comparable form
• Cytheropteron
  • †Cytheropteron howelli
  • †Cytheropteron trinitiensis

• 

  Life restoration of the Early Cretaceous dromaeosaur ("raptor") Deinonychus

  †Deinonychus
  • †Deinonychus antirrhopus
• †Diplodocus
• †Escharoides – tentative report
  • †Escharoides nomas – type locality for species
• †Exogyra
  • †Exogyra ponderosa
  • †Exogyra texana
• †Glyptops

• 

  Restoration of the Late Jurassic-Early Cretaceous crocodile relative Goniopholis

  †Goniopholis
  • †Goniopholis stovalli – type locality for species
• †Grallator
• †Gyronchus
  • †Gyronchus dumblei
• †Holoclemensia
  • †Holoclemensia texana
• †Hybodus
  • †Hybodus butleri
• †Kermackia
  • †Kermackia texana

• 

  Fossilized skeleton of the Late Triassic amphibian Koskinonodon

  †Koskinonodon
• Lituotuba
• †Lonchidion
  • †Lonchidion anitae
• †Magnoavipes
• †Megalosauripus
• †Naomichelys
• †Oklatheridium – type locality for genus
  • †Oklatheridium minax – type locality for species
  • †Oklatheridium szalayi – type locality for species
• Ostrea
  • †Ostrea crenulimargo

• 

  Fossilized skeleton of the Early Cretaceous-Eocene bony fish Palaeobalistum

  †Palaeobalistum – tentative report
• †Pappotherium
  • †Pappotherium pattersoni
• †Paracimexomys – tentative report
  • †Paracimexomys crossi – type locality for species
• Paracypris
  • †Paracypris siliqua
• Patellina
  • †Patellina subcretacea
• Planulina
• †Pleurocoelus
• †Pteraichnus
• †Ptilotodon – type locality for genus
  • †Ptilotodon wilsoni – type locality for species
• Pyripora
• Ramphonotus
  • †Ramphonotus pedunculatus
• Ramulina
• Reophax
  • †Reophax subgoodlandensis – type locality for species
• †Saurophaganax – type locality for genus
  • †Saurophaganax maximus – type locality for species
• †Sauroposeidon – type locality for genus
  • †Sauroposeidon proteles – type locality for species
• †Stegosaurus
• †Tenontosaurus
• Textularia
  • †Textularia conica
• Vaginulina
  • †Vaginulina intumescens

Cenozoic

• †Adelphailurus
• †Aelurodon
  • †Aelurodon taxoides – or unidentified comparable form
• †Aepycamelus
  • †Aepycamelus robustus
• †Agriotherium
  • †Agriotherium schneideri
• †Alforjas
  • †Alforjas taylori
• Alligator

• 

  Life restoration of the Miocene elephant relative Amebelodon. Margret Flinsch (1932).

  †Amebelodon
• †Amphimachairodus
  • †Amphimachairodus coloradensis
• †Aphelops
  • †Aphelops malacorhinus
• †Arctonasua
  • †Arctonasua fricki – type locality for species
• †Astrohippus
  • †Astrohippus ansae
• †Barbourofelis
  • †Barbourofelis loveorum
• Bison
  • †Bison antiquus

  • 

    Mounted fossilized skeleton of the Pleistocene Bison latifrons, or long-horned bison

    †Bison latifrons – or unidentified comparable form
• Blarina
  • †Blarina brevicauda
• †Bootherium
  • †Bootherium bombifrons
• †Borophagus
  • †Borophagus secundus
• †Buisnictis
  • †Buisnictis schoffi – type locality for species
• †Calippus
  • †Calippus martini – type locality for species
  • †Calippus regulus

• 

  Life restoration of the Pliocene-Holocene camel Camelops

  †Camelops
• Canis
  • †Canis ferox
  • †Canis latrans
• †Carpocyon
  • †Carpocyon limosus
• †Castoroides
  • †Castoroides ohioensis – or unidentified comparable form
• Chaetodipus
  • †Chaetodipus hispidus – or unidentified comparable form
• Coluber
  • †Coluber constrictor
• †Copemys
  • †Copemys mariae – type locality for species
  • †Copemys shotwelli
• †Cormohipparion
  • †Cormohipparion occidentale
• Crotalus
  • †Crotalus viridis – or unidentified comparable form

• 

  Life restoration of the Pliocene-Holocene elephant relative Cuvieronius

  †Cuvieronius
  • †Cuvieronius priestleyi
• Cynomys
  • †Cynomys ludovicianus
• Dasypus
  • †Dasypus bellus
• †Desmathyus
  • †Desmathyus brachydontus
• †Dinohippus
  • †Dinohippus leidyanus
• †Dipoides
  • †Dipoides stovalli
• †Domninoides
  • †Domninoides hessei – type locality for species
  • †Domninoides knoxjonesi – type locality for species
• Elaphe
  • †Elaphe buisi – type locality for species

  • 

    A living Pantherophis obsoletus, or black rat snake

    †Elaphe obsoleta – or unidentified comparable form
  • †Elaphe vulpina
• †Epicyon
  • †Epicyon haydeni
  • †Epicyon saevus
• Equus
  • †Equus excelsus
  • †Equus francisci
  • †Equus giganteus
  • †Equus niobrarensis
  • †Equus scotti

• 

  Life restoration of the Pleistocene bovid Euceratherium, or the shrub ox. Robert Bruce Horsfall (1913).

  †Euceratherium
  • †Euceratherium collinum – type locality for species
• †Eucyon
  • †Eucyon davisi
• Felis
  • †Felis rexroadensis
• Geochelone
• Geomys
  • †Geomys bursarius
• †Gigantocamelus
  • †Gigantocamelus spatulus

• 

  Mounted fossilized skeleton of the Pleistocene armadillo relative Glyptotherium

  †Glyptotherium
  • †Glyptotherium arizonae
• †Gomphotherium
  • †Gomphotherium obscurum
• Gopherus
• †Hemiauchenia
  • †Hemiauchenia macrocephala
• †Hesperoscalops
• †Hesperotestudo
  • †Hesperotestudo riggsi
• Heterodon
  • †Heterodon nasicus
  • †Heterodon platyrhinos
  • †Heterodon plionasicus
• †Hipparion
  • †Hipparion tehonense
• †Hippotherium

• 

  Restoration of Pliocene-Pleistocene Homotherium, or scimitar cat

  †Homotherium – type locality for genus
  • †Homotherium serum – type locality for species
• †Hypolagus
  • †Hypolagus vetus
• Lampropeltis
  • †Lampropeltis doliata
  • †Lampropeltis getulus
  • †Lampropeltis triangulum
• Lasionycteris
  • †Lasionycteris noctivagans
• †Leptodontomys
• Lepus
• Lophodytes
  • †Lophodytes cucullatus
• Lynx
  • †Lynx proterolyncis
• †Macrognathomys
  • †Macrognathomys gemmacolis
• †Mammut
• †Mammuthus

  • 

    Life restoration of a herd of Mammuthus columbi, or Columbian mammoths. The extent of the fur depicted is hypothetical. Charles R. Knight (1909).

    †Mammuthus columbi
  • †Mammuthus hayi
• Marmota
• †Megalonyx
  • †Megalonyx jeffersonii
• †Megatylopus
  • †Megatylopus matthewi
• †Merychippus
  • †Merychippus coloradense – or unidentified comparable form
• †Merychyus
  • †Merychyus novomexicanus
• Microtus
  • †Microtus ochrogaster – or unidentified comparable form
  • †Microtus pennsylvanicus
• †Miospermophilus
  • †Miospermophilus lavertyi – type locality for species
• †Mylohyus
  • †Mylohyus fossilis
• Myotis
  • †Myotis yumanensis – or unidentified comparable form

• 

  Partial fossilized mandible of the Miocene-Pliocene horse Nannippus

  †Nannippus
  • †Nannippus aztecus
  • †Nannippus lenticularis
• †Neohipparion
  • †Neohipparion eurystyle
  • †Neohipparion gidleyi
  • †Neohipparion leptode
• Neotoma
• Nerodia
• †Nimravides
  • †Nimravides thinobates – or unidentified comparable form
• †Nothodipoides
  • †Nothodipoides planus – type locality for species

• 

  Life restoration of the Pleistocene ground sloth Nothrotheriops

  †Nothrotheriops
  • †Nothrotheriops texanus
• Odocoileus
• †Oklahomalagus
  • †Oklahomalagus whisenhunti – type locality for species
• Ondatra
  • †Ondatra zibethicus
• Onychomys
  • †Onychomys leucogaster – or unidentified comparable form
• Ophisaurus
  • †Ophisaurus attenuatus

• 

  Fossilized skeleton of the Pliocene-Pleistocene ground sloth Paramylodon

  †Paramylodon
  • †Paramylodon harlani
• †Paranasua
• †Pediomeryx
  • †Pediomeryx hemphillensis
• Perognathus
  • †Perognathus mclaughlini – or unidentified comparable form
• Peromyscus
  • †Peromyscus berendsensis – type locality for species
  • †Peromyscus cochrani – or unidentified comparable form
• Pipistrellus
  • †Pipistrellus subflavus
• Pituophis
  • †Pituophis catenifer
  • †Pituophis melanoleucus

• 

  Restoration of a herd of alarmed Miocene-Pleistocene peccaries of the genus Platygonus. Charles R. Knight (1922).

  †Platygonus
  • †Platygonus vetus – or unidentified comparable form
• †Pleiolama
  • †Pleiolama vera
• †Plesiogulo
  • †Plesiogulo marshalli
• †Pliogeomys
  • †Pliogeomys buisi – type locality for species
• †Pliohippus
  • †Pliohippus nobilis
  • †Pliohippus pernix
• †Pliotaxidea
  • †Pliotaxidea nevadensis – or unidentified comparable form
• Podomys
  • †Podomys oklahomensis
• †Procamelus
  • †Procamelus grandis – or unidentified comparable form
• †Prodipodomys
• †Pronotolagus
  • †Pronotolagus apachensis
• Pseudacris
  • †Pseudacris triseriata
• Pseudemys
  • †Pseudemys hilli – type locality for species
• †Pseudhipparion
  • †Pseudhipparion gratum
  • †Pseudhipparion simpsoni
  • †Pseudhipparion skinneri
• Reithrodontomys
• †Serbelodon – or unidentified comparable form

• 

  Life restoration of the Pleistocene-Holocene saber-tooth cat Smilodon

  †Smilodon
  • †Smilodon fatalis
• Sorex
  • †Sorex arcticus
  • †Sorex cinereus
  • †Sorex palustris
• Spermophilus
  • †Spermophilus dotti
  • †Spermophilus franklinii
  • †Spermophilus rexroadensis
  • †Spermophilus richardsonii – or unidentified comparable form
  • †Spermophilus tridecemlineatus

• 

  Fossilized skeleton of the Miocene weasel Sthenictis

  Sthenictis
• Sylvilagus
• Synaptomys
  • †Synaptomys bunkeri
• Tamias
  • †Tamias striatus
• Tapirus
  • †Tapirus haysii
  • †Tapirus veroensis

• 

  Restoration of the Miocene-Pliocene rhinoceros Teleoceras

  †Teleoceras
  • †Teleoceras fossiger
  • †Teleoceras guymonense – type locality for species
  • †Teleoceras hicksi
• Terrapene
  • †Terrapene parornata – type locality for species
• †Texoceros
  • †Texoceros guymonensis – type locality for species
  • †Texoceros minorei – type locality for species
• Thamnophis
  • †Thamnophis radix
• Thomomys
  • †Thomomys talpoides
• †Tregosorex
  • †Tregosorex holmani
• †Untermannerix
  • †Untermannerix copiosus
• Vulpes
  • †Vulpes stenognathus – type locality for species

  • 

    A living Vulpes velox, or swift fox

    †Vulpes velox
• †Yumaceras
  • †Yumaceras figginsi – or unidentified comparable form
• Zapus

References

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 7 August 2017. {{cite web}}: |author= has generic name (help)