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 17 December 2021.