This list of the Cenozoic life of Kansas contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Kansas and are between 66 million and 10,000 years of age.

A

• Acris
  • †Acris crepitans
• †Adelphailurus
  • †Adelphailurus kansensis – type locality for species
• 

  Fossilized skull of the Miocene bone-crushing dog Aelurodon
  †Aelurodon
  • †Aelurodon taxoides
• Agkistrodon
  • †Agkistrodon contortix
• †Agriocharis
  • †Agriocharis progenes – type locality for species
• †Agriotherium
• †Alforjas
  • †Alforjas taylori
• †Alilepus
  • †Alilepus hibbardi
• †Allogona
  • †Allogona profunda
• †Allophaiomys
  • †Allophaiomys pliocaenicus
• †Ambystoma
  • †Ambystoma maculatum
  • †Ambystoma tigrinum
• 

  Life restoration of the Miocene elephant relative Amebelodon. Margret Flinsch (1932).
  †Amebelodon
  • †Amebelodon britti
• Amia
  • †Amia calva
• †Amphimachairodus
  • †Amphimachairodus coloradensis
• Anas
  • †Anas crecca
• †Anchiblarinella
  • †Anchiblarinella wakeeneyensis – type locality for species
• †Aphelops
  • †Aphelops malacorhinus
  • †Aphelops mutilus
• Aplodinotus
  • †Aplodinotus grunniens – or unidentified comparable form
• †Arctodus
  • †Arctodus pristinus – or unidentified comparable form
  • †Arctodus simus
• †Astrohippus
  • †Astrohippus ansae

B

• Baiomys
  • †Baiomys kolbi – type locality for species
  • †Baiomys rexroadi – type locality for species
• 

  Fossilized skull of the Miocene-Pliocene false saber-toothed cat Barbourofelis
  †Barbourofelis
• Bassariscus
  • †Bassariscus casei – type locality for species
  • †Bassariscus ogallalae
• †Bensonomys
  • †Bensonomys eliasi
  • †Bensonomys meadensis – type locality for species
  • †Bensonomys stirtoni
• †Berriochloa
  • †Berriochloa amphoralis
  • †Berriochloa maxima
  • †Berriochloa minuta
  • †Berriochloa pumila
  • †Berriochloa tuberculata
  • †Berriochloa variegata
• †Biorbia
  • †Biorbia fossilia
• Bison
  • †Bison antiquus – type locality for species
  • †Bison bison
  • 

    Mounted fossilized skeleton of the Pleistocene Bison latifrons, also known as the giant bison or long-horned bison
    †Bison latifrons
• Blarina
  • †Blarina brevicauda
  • †Blarina carolinensis
• †Borophagus
  • †Borophagus diversidens
  • †Borophagus hilli
  • †Borophagus pugnator
  • †Borophagus secundus – type locality for species
• Botaurus
  • †Botaurus hibbardi – type locality for species
• †Brachyopsigale
  • †Brachyopsigale dubius – type locality for species
• Bufo
  • 

    A living Anaxyrus cognatus (formerly Bufo cognatus), or Great Plains toad
    †Bufo cognatus
  • †Bufo hemiophrys
  • †Bufo hibbardi
  • †Bufo marinus
  • †Bufo pliocompactilis – type locality for species
  • †Bufo valentinensis
  • †Bufo woodhousei
• †Buisnictis
  • †Buisnictis breviramus – type locality for species
  • †Buisnictis schoffi

C

• †Calippus
  • †Calippus large informal
  • †Calippus martini
  • †Calippus regulus
• 

  Life restoration of the Pliocene-Holocene camel Camelops
  †Camelops
• Candona
  • †Candona lactea – or unidentified comparable form
  • †Candona nyensis
  • †Candona truncata
• Canis
  • †Canis armbrusteri
  • †Canis dirus
  • †Canis edwardii
  • †Canis ferox
  • †Canis latrans
  • †Canis lepophagus
• 

  Fossilized skeleton of the Pleistocene dwarf pronghorn Capromeryx
  †Capromeryx
  • †Capromeryx furcifer
• †Carpocyon
  • †Carpocyon compressus
• Carychium
  • †Carychium exiguum
• Castor
  • †Castor canadensis
• †Castoroides
  • †Castoroides ohioensis – or unidentified comparable form
• †Catostomus
  • †Catostomus commersoni
• Celtis
  • †Celtis willistonii
• 

  Life restoration of the Miocene-Pleistocene horned gopher Ceratogaulus. Robert Bruce Horsfall (1913).
  †Ceratogaulus
  • †Ceratogaulus hatcheri
  • †Ceratogaulus minor
• †Cervalces
  • †Cervalces scotti
• Cervus
  • †Cervus elaphus
• Chaetodipus
  • †Chaetodipus hispidus
• Chara
  • †Chara globularis – or unidentified comparable form
• 

  Fossilized cranium of the Pliocene-Pleistocene hyena Chasmaporthetes
  †Chasmaporthetes
• Chelydra
  • †Chelydra serpentina
• Chrysemys
  • †Chrysemys picta
  • †Chrysemys scripta
• †Cionella
  • †Cionella lubrica
• Clethrionomys
  • †Clethrionomys gapperi
• Cnemidophorus
  • †Cnemidophorus bilobatus
  • †Cnemidophorus sexlineatus
• Coluber
  • †Coluber constrictor
• †Copemys – type locality for genus
  • †Copemys pisinnus
  • †Copemys shotwelli – type locality for species
• 

  Fossilized skull of the Miocene pronghorn Cosoryx
  †Cosoryx
  • †Cosoryx furcatus
• Crotalus
  • †Crotalus viridis
• †Cryptantha
  • †Cryptantha auriculata
• Cryptotis
  • †Cryptotis adamsi
  • †Cryptotis kansasensis – type locality for species
  • †Cryptotis meadensis – type locality for species
  • †Cryptotis parva
• Cynomys
  • †Cynomys gunnisoni – or unidentified comparable form
  • †Cynomys hibbardi – type locality for species
  • 

    A living Cynomys ludovicianus, or black-tailed prairie dog
    †Cynomys ludovicianus
  • †Cynomys niobrarius
  • †Cynomys spenceri
  • †Cynomys vetus – type locality for species
• Cyprideis
  • †Cyprideis littoralis
• Cyprinotus – tentative report

D

• Deroceras
  • †Deroceras aenigma
• Diadophis
  • †Diadophis punctatus
• 

  Mounted fossilized skeleton of the Miocene-Pliocene horse Dinohippus
  †Dinohippus
  • †Dinohippus interpolatus
  • †Dinohippus leidyanus
• Dipodomys
  • †Dipodomys hibbardi – type locality for species
  • †Dipodomys ordii – or unidentified comparable form
• †Dipoides
  • †Dipoides rexroadensis – type locality for species
  • †Dipoides wilsoni – type locality for species
• Discus
  • †Discus cronkhitei
• †Domninoides
  • †Domninoides mimicus – type locality for species

E

• Egretta
• Elaphe – type locality for genus
  • †Elaphe kansensis – type locality for species
  • †Elaphe obsoleta
  • †Elaphe vulpina
• Emydoidea
  • †Emydoidea twentei
• 

  Mounted fossilized skeleton of the Miocene bone-crushing dog Epicyon
  †Epicyon
  • †Epicyon aelurodontoides – type locality for species
  • †Epicyon haydeni
  • †Epicyon saevus
• Equus
  • †Equus conversidens
  • †Equus francisci
  • †Equus giganteus – or unidentified comparable form
  • †Equus niobrarensis
  • †Equus scotti
  • 

    Fossilized skeleton of the Pliocene-Pleistocene horse Equus simplicidens, also known as the Hagerman horse or American zebra
    †Equus simplicidens
• †Eucastor
• †Euconulus
  • †Euconulus fulvus
• †Eucyon
  • †Eucyon davisi
• Eumeces
  • †Eumeces fasciatus
  • †Eumeces hixsonorum – type locality for species
  • †Eumeces obsoletus
  • †Eumeces septentrionalis
  • †Eumeces striatulus
• †Eumecoides
  • †Eumecoides hibbardi
  • †Eumecoides mylocoelus

F

• Felis
  • †Felis rexroadensis
• †Ferissia
  • †Ferissia fragilis – or unidentified comparable form
• Ferrissia
  • †Ferrissia rivularis
• 

  A living Fundulus
  †Fundulus

G

• Gastrocopta
  • †Gastrocopta armifera
  • †Gastrocopta cristata
  • †Gastrocopta tappaniana
• Geochelone
• Geomys
  • †Geomys adamsi – type locality for species
  • 

    A living Geomys bursarius, or Plains pocket gopher
    †Geomys bursarius
  • †Geomys jacobi – type locality for species
  • †Geomys minor
  • †Geomys quinni
  • †Geomys tobinensis
• Gerrhonotus
  • †Gerrhonotus mungerorum – type locality for species
• †Gigantocamelus
  • †Gigantocamelus spatulus
• †Gnathabelodon
  • †Gnathabelodon thorpei – type locality for species
• 

  Mounted fossilized skeleton of the Miocene-Pleistocene elephant relative Gomphotherium
  †Gomphotherium
• Gopherus
• Graptemys
  • †Graptemys geographica
• Grus
  • †Grus americana
  • †Grus nannodes – type locality for species
• †Guildayomys
  • †Guildayomys hibbardi
• Gyraulus
  • †Gyraulus parvus

H

• Hawaiia
  • †Hawaiia miniscula
  • †Hawaiia minuscula
• Helicodiscus
  • †Helicodiscus paralellus
  • †Helicodiscus parallelus
• Helisoma
  • †Helisoma anceps
  • †Helisoma lentum
  • †Helisoma trivolvis
• 

  Fossilized lower jaw of the Miocene-Pleistocene llama relative Hemiauchenia
  †Hemiauchenia
  • †Hemiauchenia macrocephala
• †Hesperoscalops
  • †Hesperoscalops rexroadi – type locality for species
  • †Hesperoscalops sewardensis – type locality for species
• †Hesperotestudo
  • †Hesperotestudo orthopygia
  • †Hesperotestudo riggsi
• Heterodon
  • †Heterodon nasicus
  • †Heterodon platyrhinos
  • †Heterodon plionasicus
• †Hibbardomys
  • †Hibbardomys fayae – type locality for species
  • †Hibbardomys marthae
  • †Hibbardomys voorhiesi
• †Hipparion
  • †Hipparion tehonense – or unidentified comparable form
• †Hippotherium
• Holbrookia
  • †Holbrookia maculata
• 

  Life restoration of the Pleistocene armadillo relative Holmesina with a human to scale
  †Holmesina
  • †Holmesina septentrionalis
• Homo
  • †Homo sapiens
• †Homotherium
  • †Homotherium serum
• Hyla
  • †Hyla cinerea – or unidentified comparable form
  • †Hyla gratiosa – or unidentified comparable form
  • †Hyla squirella – or unidentified comparable form
  • †Hyla versicolor
• 

  Life restoration of the Miocene horse Hypohippus. Heinrich Harder (1920).
  †Hypohippus
• †Hypolagus
  • †Hypolagus regalis – type locality for species
  • †Hypolagus ringoldensis
  • †Hypolagus vetus
  • †Hypolagus voorhiesi
• †Hystricops

I

• Ictalurus
  • †Ictalurus lambda
  • †Ictalurus melas
  • †Ictalurus punctatus
• 

  Illustration of a living Ictiobus, or buffalo fish
  †Ictiobus
• Ilyocypris
  • †Ilyocypris bradyi
• †Ischyrocyon – tentative report

K

• †Kansasimys
  • †Kansasimys dubius
• Kinosternon
  • 

    A living Kinosternon flavescens, or yellow mud turtle
    †Kinosternon flavescens
  • †Kinosternon subrubrum

L

• 

  A living Lampropeltis getula, or eastern kingsnake
  Lampropeltis
  • †Lampropeltis calligaster
  • †Lampropeltis doliata
  • †Lampropeltis getulus
  • †Lampropeltis similis
• Lasiurus
  • †Lasiurus cinereus
  • †Lasiurus fossilis – type locality for species
  • †Lasiurus golliheri – type locality for species
• Lepisosteus
  • †Lepisosteus osseus
  • 

    Illustration of a living Lepisosteus platostomus, or shortnose gar
    †Lepisosteus platostomus – tentative report
• Lepomis
  • †Lepomis cyanellus
  • †Lepomis humilis – or unidentified comparable form
• †Leptarctus
  • †Leptarctus mummorum – type locality for species
  • †Leptarctus woodburnei – type locality for species
  • †Leptarctus wortmani – type locality for species
• 

  Illustration of a fossilized skull of the Oligocene-Miocene dog Leptocyon
  †Leptocyon
  • †Leptocyon vafer
• Lepus
  • †Lepus californicus – or unidentified comparable form
• †Longirostromeryx
• Lontra
  • †Lontra canadensis
• Lymnaea
  • †Lymnaea caperota
  • †Lymnaea humulus
  • †Lymnaea parva
• Lynx

M

• †Machairodus
  • †Machairodus catocopis
• Macrochelys
  • †Macrochelys temminckii
• †Macrognathomys
• †Mammut
  • †Mammut americanum
• †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
• Martes
  • †Martes foxi – type locality for species
  • †Martes stirtoni – type locality for species
• †Martinogale
  • †Martinogale alveodens
• †Megalonyx
  • †Megalonyx jeffersonii
  • †Megalonyx leptostomus
• †Megantereon
  • †Megantereon hesperus
• †Megatylopus
  • †Megatylopus cochrani
  • †Megatylopus gigas
  • †Megatylopus matthewi
• †Menetus
  • †Menetus exacuous
• Mephitis
  • †Mephitis mephitis – tentative report
  • †Mephitis rexroadensis – type locality for species
• †Merychyus
  • †Merychyus novomexicanus
• Micropterus
  • †Micropterus punctulatus – or unidentified comparable form
• Microtus
  • †Microtus llanensis
  • †Microtus meadensis
  • †Microtus ochrogaster
  • †Microtus paroperarius – type locality for species
  • †Microtus pennsylvanicus
• Mictomys
  • †Mictomys borealis
  • †Mictomys kansasensis
  • †Mictomys meltoni
  • †Mictomys vetus
• †Minytrema – tentative report
• †Mionictis
• Musculium
  • †Musculium partineium
  • †Musculium transversum
• Mustela
  • †Mustela meltoni – type locality for species
  • †Mustela rexroadensis – type locality for species
  • †Mustela richardsonii – or unidentified comparable form
• †Mylagaulus
  • †Mylagaulus sesquipedalis – type locality for species
• 

  Fossilized skeleton of the Pliocene-Holocene peccary Mylohyus
  †Mylohyus
  • †Mylohyus fossilis
• Myotis

N

• 

  Partial fossilized mandible of the Miocene-Pliocene horse Nannippus
  †Nannippus
  • †Nannippus lenticularis
  • †Nannippus peninsulatus
• †Nassella
  • †Nassella pohlii
  • †Nassella reynoldsii
• †Nebraskomys
  • †Nebraskomys mcgrewi
  • †Nebraskomys rexroadensis
• †Nekrolagus
  • †Nekrolagus progressus – type locality for species
• Neofiber
  • †Neofiber leonardi – type locality for species
• Neogale
  • †Neogale frenata – or unidentified comparable form
  • †Neogale vison
• 

  Life restoration of a herd of Neohipparion. Robert Bruce Horsfall (1913).
  †Neohipparion
  • †Neohipparion affine – or unidentified comparable form
  • †Neohipparion eurystyle
  • †Neohipparion leptode
  • †Neohipparion trampasense
• Neotoma
  • †Neotoma floridana – or unidentified comparable form
  • †Neotoma leucopetrica
  • †Neotoma micropus
  • †Neotoma quadriplicata – type locality for species
  • †Neotoma sawrockensis – type locality for species
  • †Neotoma taylori – type locality for species
• Nerodia
  • †Nerodia hillmani
  • †Nerodia sipedon
• †Nerterogeomys
  • †Nerterogeomys smithi
• Nesovitrea
  • †Nesovitrea electrina
• Nettion
  • †Nettion ogallalae – type locality for species
• †Nimravides
  • †Nimravides thinobates
• 

  Life restoration of the Pleistocene ground sloth Nothrotheriops
  †Nothrotheriops
  • †Nothrotheriops texanus
• Notiosorex
  • †Notiosorex crawfordi
  • †Notiosorex jacksoni – type locality for species
• †Notolagus
  • †Notolagus lepusculus – type locality for species
• †Notropes
• †Notropis – tentative report

O

• 

  A living Odocoileus deer
  Odocoileus
• Ogmodontomys
  • †Ogmodontomys poaphagus – type locality for species
  • †Ogmodontomys sawrockensis – type locality for species
• †Ogmophis
  • †Ogmophis pliocompactus – type locality for species
• Ondatra
  • †Ondatra annectens
  • †Ondatra idahoensis
  • †Ondatra meadensis
  • †Ondatra zibethicus
• Onychomys
  • †Onychomys gidleyi – type locality for species
  • †Onychomys hollisteri – type locality for species
  • †Onychomys leucogaster – or unidentified comparable form
  • †Onychomys martini
  • †Onychomys pedroensis
• Ophisaurus
  • †Ophisaurus attenuatus
• 

  A living Ortalis, or chachalaca
  Ortalis
  • †Ortalis affinis – type locality for species
• Oryzomys
  • †Oryzomys palustris

P

• †Paenemarmota
  • †Paenemarmota barbouri
  • †Paenemarmota sawrockensis
• †Paleoheterodon
• †Panicum
  • †Panicum elegans
• Panthera
  • †Panthera leo
• †Paracryptotis
  • †Paracryptotis rex – type locality for species
• 

  Fossilized skeleton of the Pliocene-Pleistocene ground sloth Paramylodon
  †Paramylodon
  • †Paramylodon harlani
• †Paranasua – or unidentified comparable form
• †Parapliosaccomys
  • †Parapliosaccomys hibbardi
• †Pediomeryx
  • †Pediomeryx hemphillensis
• †Peraceras
• Perca
  • †Perca flavescens
• 

  A living Perognathus pocket mouse
  Perognathus
  • †Perognathus coquorum – or unidentified comparable form
  • †Perognathus dunklei – type locality for species
  • †Perognathus gidleyi
  • †Perognathus mclaughlini – type locality for species
  • †Perognathus pearlettensis – type locality for species
  • †Perognathus rexroadensis – type locality for species
• Peromyscus
  • †Peromyscus baumgartneri – type locality for species
  • †Peromyscus berendsensis
  • †Peromyscus cochrani – type locality for species
  • †Peromyscus cragini
  • †Peromyscus kansasensis – type locality for species
  • †Peromyscus progressus – type locality for species
• †Petenyia
  • †Petenyia concisa
• Phenacomys
  • †Phenacomys intermedius – or unidentified comparable form
• Phrynosoma
  • 

    A living Phrynosoma cornutum, or Texas horned lizard
    †Phrynosoma cornutum
• Physa
  • †Physa anatina
  • †Physa arboreus
  • †Physa gyrina
  • †Physa hawni
• Pisidium
  • †Pisidium abditum
  • †Pisidium compressum
  • †Pisidium noveboracense
• Pituophis
  • †Pituophis catenifer
  • †Pituophis melanoleucus
• †Planisorex
  • †Planisorex dixonensis
• †Planorbula
  • †Planorbula campestris
• 

  Mounted fossilized skeleton of the Miocene elephant relative Platybelodon
  †Platybelodon
  • †Platybelodon loomisi
• †Platygonus
  • †Platygonus bicalcaratus
  • †Platygonus compressus – or unidentified comparable form
  • †Platygonus pollenae
  • †Platygonus vetus – or unidentified comparable form
• Plegadis – or unidentified comparable form
• †Pleiolama
  • †Pleiolama vera – type locality for species
• †Plesiogulo
  • †Plesiogulo marshalli – type locality for species
• †Plioctomys
  • †Plioctomys rinkeri
• †Pliogyps – type locality for genus
  • †Pliogyps fisheri – type locality for species
• 

  Fossilized skull of the Miocene horse Pliohippus
  †Pliohippus
  • †Pliohippus nobilis – type locality for species
  • †Pliohippus pernix
• †Pliolemmus
  • †Pliolemmus antiquus – type locality for species
• †Pliophenacomys
  • †Pliophenacomys dixonensis – type locality for species
  • †Pliophenacomys finneyi
  • †Pliophenacomys meadensis
  • †Pliophenacomys osborni
  • †Pliophenacomys primaevus – type locality for species
• †Pliopicus – type locality for genus
  • †Pliopicus brodkorbi – type locality for species
• †Pliotaxidea
  • †Pliotaxidea nevadensis
• †Pomoxis
• †Potamocypris
• †Pratifelis
  • †Pratifelis martini – type locality for species
• †Pratilepus
  • †Pratilepus kansasensis – type locality for species
• †Procamelus
• †Procastoroides
  • †Procastoroides sweeti
• Procyon
  • †Procyon lotor
  • †Procyon rexroadensis – type locality for species
• †Prodipodomys
  • †Prodipodomys centralis
  • †Prodipodomys griggsorum
  • †Prodipodomys kansensis
  • †Prodipodomys tiheni
• †Prodipoides
  • †Prodipoides phillisi – type locality for species
• †Prolappula
  • †Prolappula verrucosa
• †Prolithospermum
  • †Prolithospermum johnstonii
• †Prosthennops
  • †Prosthennops serus – type locality for species
• 

  Fossilized skeleton of the Miocene horse Protohippus
  †Protohippus
  • †Protohippus gidleyi
  • †Protohippus supremus
• †Protolabis
• Pseudacris
  • †Pseudacris clarki – or unidentified comparable form
  • †Pseudacris triseriata
• Pseudemys
  • †Pseudemys hibbardi
• †Pseudhipparion
• †Pseudoceras
  • †Pseudoceras skinneri
• Puma
  • †Puma concolor
• Pupilla
  • †Pupilla sinistra
• Pupoides
  • †Pupoides marginatus

R

• 

  Life restoration of the Miocene-Pliocene pronghorn Ramoceros and Cosoryx. Robert Bruce Horsfall (1913).
  †Ramoceros
  • †Ramoceros osborni
• †Rana
  • †Rana areolata – or unidentified comparable form
  • †Rana bucella
  • †Rana catesbeiana
  • †Rana fayeae
  • †Rana parvissima
  • †Rana pipiens
  • †Rana rexroadensis
• †Regina
  • †Regina grahami
• Reithrodontomys
  • †Reithrodontomys humulis
  • †Reithrodontomys megalotis
  • †Reithrodontomys montanus – or unidentified comparable form
  • †Reithrodontomys moorei
  • †Reithrodontomys pratincola – type locality for species
  • †Reithrodontomys rexroadensis – type locality for species
  • †Reithrodontomys wetmorei – type locality for species
• Rhinocheilus – tentative report
  • †Rhinocheilus lecontei
• 

  Restoration of the Miocene-Pliocene elephant relative Rhynchotherium
  †Rhynchotherium

S

• †Satherium
  • †Satherium piscinarium
• Scalopus
  • †Scalopus aquaticus
• 

  A living Scaphiopus, or North American spadefoot toad
  Scaphiopus
  • †Scaphiopus hardeni
• Sceloporus
  • †Sceloporus robustus – type locality for species
  • †Sceloporus undulatus
• †Semotilus
  • †Semotilus atromaculatus – or unidentified comparable form
• Sigmodon
  • †Sigmodon curtisi – or unidentified comparable form
  • †Sigmodon minor
• Sistrurus
  • †Sistrurus catenatus
• 

  Life restoration of the Pleistocene-Holocene saber-tooth cat Smilodon
  †Smilodon
• †Soergelia
  • †Soergelia mayfieldi – or unidentified comparable form
• Sorex
  • †Sorex arcticus
  • †Sorex cinereus
  • †Sorex cudahyensis
  • †Sorex kansasensis – type locality for species
  • †Sorex lacustris
  • †Sorex leahyi – type locality for species
  • †Sorex megapalustris
  • †Sorex palustris
  • †Sorex pratensis
  • †Sorex rexroadensis – type locality for species
  • †Sorex sandersi – type locality for species
  • †Sorex scottensis – type locality for species
  • †Sorex taylori – type locality for species
• Spea
  • 

    A living Spea bombifrons, or plains spadefoot toad
    †Spea bombifrons
  • †Spea diversus
• Spermophilus
  • †Spermophilus boothi
  • †Spermophilus cragini – type locality for species
  • †Spermophilus franklinii – or unidentified comparable form
  • †Spermophilus fricki
  • †Spermophilus howelli – type locality for species
  • †Spermophilus lorisrusselli – type locality for species
  • †Spermophilus meadensis – type locality for species
  • †Spermophilus rexroadensis – type locality for species
  • †Spermophilus richardsonii
  • †Spermophilus tridecemlineatus
• Sphaerium
  • †Sphaerium simile
• Spilogale
  • †Spilogale putorius
  • †Spilogale rexroadi – type locality for species
• Stagnicola
  • †Stagnicola caperata
• 

  Mounted fossilized skeleton of the Pliocene-Pleistocene elephant relative Stegomastodon
  †Stegomastodon
  • †Stegomastodon mirificus
  • †Stegomastodon primitivus
• †Stenotrema
  • †Stenotrema leai
• Sternotherus
  • †Sternotherus odoratus
• Storeria
  • †Storeria dekayi – or unidentified comparable form
• Succinea
  • †Succinea ovalis
• †Succinia
  • †Succinia concordalis
  • †Succinia haydeni
• Sylvilagus
  • 

    A living Sylvilagus floridanus, or eastern cottontail
    †Sylvilagus floridanus
• †Symmetrodontomys
  • †Symmetrodontomys simplicidens – type locality for species
• Synaptomys
  • †Synaptomys australis

T

• Tapirus
  • †Tapirus veroensis
• Taxidea
  • †Taxidea taxus
• 

  Mounted fossilized skeleton of the Miocene-Pliocene rhinoceros Teleoceras
  †Teleoceras
  • †Teleoceras fossiger – type locality for species
  • †Teleoceras guymonense
• Terrapene
  • †Terrapene carolina
  • †Terrapene ilanensis
• †Texasophis
  • †Texasophis wilsoni – type locality for species
• †Texoceros
  • †Texoceros guymonensis – or unidentified comparable form
• Thamnophis
  • †Thamnophis proximus
  • 

    A living Thamnophis radix, or plains garter snake
    †Thamnophis radix
  • †Thamnophis saurita – or unidentified comparable form
  • †Thamnophis sirtalis
• Thomomys
  • †Thomomys talpoides
• Trachemys
  • †Trachemys scripta
• †Tregobatrachus – type locality for genus
  • †Tregobatrachus hibbardi – type locality for species
• †Tregophis – type locality for genus
  • †Tregophis brevirachis – type locality for species
• †Tregosorex
  • †Tregosorex holmani – type locality for species
• †Trigonictis
  • †Trigonictis macrodon
• Trionyx
  • †Trionyx spinifer
• Tropidoclonion
  • †Tropidoclonion lineatum
• 

  A living Tympanuchus, or prairie chicken
  Tympanuchus – or unidentified comparable form

U

• †Untermannerix
  • †Untermannerix copiosus
• Urocyon
  • 

    A living Urocyon cinereoargenteus, or gray fox
    †Urocyon cinereoargenteus
  • †Urocyon progressus
• †Ustatochoerus
  • †Ustatochoerus medius

V

• Vallonia
  • †Vallonia gracilicosta
  • †Vallonia pulchella
• Valvata
  • †Valvata tricarinata
• Vertigo
  • †Vertigo ovata
• Vulpes
  • 

    A living Vulpes velox, or swift fox
    †Vulpes velox

Z

• Zapus
  • †Zapus burti – type locality for species
  • 

    A living Zapus hudsonius, or meadow jumping mouse
    †Zapus hudsonius
  • †Zapus rinkeri – type locality for species
  • †Zapus sandersi – type locality for species
• Zonitoides
  • †Zonitoides arboreus
  • †Zonitoides nitidus

References

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.