1. Precambrian

2. Paleozoic

3. Mesozoic

4. Cenozoic
    Selected Cenozoic taxa of Nebraska 

5. References

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

Precambrian

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

Paleozoic

• †Achistrum
• †Acroplous
  • †Acroplous vorax
• †Adacrinus
  • †Adacrinus edema – type locality for species
• †Aesiocrinus
  • †Aesiocrinus detrusus
• †Agassizodus
  • †Agassizodus variabilis
• †Aglaocrinus
  • †Aglaocrinus compactus
• †Allosocrinus
  • †Allosocrinus bronaughi
• †Ameura
  • †Ameura missouriensis
• Ammodiscus
• †Amphiscapha
  • †Amphiscapha muricata
• †Amphissites
• † Ananias
  • †Ananias marcouiana – type locality for species
• †Anthracospirifer
• †Apographiocrinus
  • †Apographiocrinus platybasis
  • †Apographiocrinus typicalis
• †Atrypa
• †Aviculopinna
• †Barbclabornia
  • †Barbclabornia luedersensis
• †Bathronocrinus
  • †Bathronocrinus wolfriverensis
• {{multiple image

}} †Belantsea

• †Belantsea occidentalis

• †Bobbodus – type locality for genus
  • †Bobbodus schaefferi – type locality for species
• †Chonetes
• †Chonetinella
• †Cibolocrinus
• †Cladodus – type locality for genus
  • †Cladodus knightianus – type locality for species
• †Composita
  • †Composita subtilita
• †Concavicaris
  • †Concavicaris sinuata – or unidentified comparable form
• †Contocrinus
  • †Contocrinus stantonensis
• †Cooleyella
• †Coryellites
• †Costistricklandia
  • †Costistricklandia castellana
• †Crurithyris
  • †Crurithyris expansa
• †Ctenacanthus
  • †Ctenacanthus amblyxiphias
• †Cymatospira
  • †Cymatospira montfortianus
• †Delocrinus
  • †Delocrinus admirensis
  • †Delocrinus vastus
  • †Delocrinus vulgatus
• †Deltodus
• †Derbyia
  • †Derbyia crassa
• †Dibunophyllum
• †Ditomopyge
  • †Ditomopyge scitula
  • †Ditomopyge whitei
• †Elibatocrinus
• †Endothyra
• †Enteletes
  • †Enteletes hemiplicata – or unidentified comparable form
• Eocaudina
• †Erisocrinus
  • †Erisocrinus longwelli
  • †Erisocrinus typus
• †Euphemites
  • †Euphemites vittatus
• †Exocrinus
  • †Exocrinus multirami
• †Exoriocrinus
• †Favosites
• †Fissodus
  • †Fissodus inaequalis
• †Gilliodus
  • †Gilliodus peyeri
• †Glabrocingulum
  • †Glabrocingulum grayvillense
• †Glaukosocrinus
  • †Glaukosocrinus berryi – type locality for species
• †Glikmanius
  • †Glikmanius myachkovensis
  • †Glikmanius occidentalis
• †Gorgonophontes
  • †Gorgonophontes peleron – type locality for species
• †Graffhamicrinus
  • †Graffhamicrinus boellstorffi – type locality for species
  • †Graffhamicrinus magnijkus
  • †Graffhamicrinus subcoronatus
• †Graphiocrinus
  • †Graphiocrinus scopulus – or unidentified comparable form
• †Halogetocrinus
  • †Halogetocrinus boellstorffae – type locality for species
• †Halysites
• †Helodus
  • †Helodus rugosus
• †Heslerodus
  • †Heslerodus divergens
• †Hollinella
• †Holmsella
• †Hustedia
  • †Hustedia mormoni
• †Hypselentoma
  • †Hypselentoma inornata – type locality for species
  • †Hypselentoma perhumerosa
• †Hystriculina
  • †Hystriculina wabashensis
• †Ianthinopsis
  • †Ianthinopsis pulchellus
• †Iniopera
  • †Iniopera richardsoni
• {{multiple image

}} †Iniopteryx – type locality for genus

• †Iniopteryx rushlau – type locality for species
• †Iniopteryx rushlaui
• †Iniopteryx tedwhitei – type locality for species

• †Inioxyele – type locality for genus
  • †Inioxyele whitei – type locality for species
• †Isorthis
• †Janassa
  • †Janassa maxima – type locality for species
  • †Janassa unguicula – type locality for species
• †Juresania
• †Kallimorphocrinus
• †Linoproductus
• †Lissochonetes
  • †Lissochonetes geronticus
• †Lophophyllidium
• Macrocypris
• †Metacoceras
• †Microcaracrinus
  • †Microcaracrinus twenhofeli
• †Monongahela
• †Moreyella
• †Mycterops
  • †Mycterops whitei
• †Nebraskacrinus
  • †Nebraskacrinus tourteloti
• †Neochonetes
  • †Neochonetes granulifer
• †Neospirifer
  • †Neospirifer dunbari
• †Nodosinella – tentative report
• †Orthacanthus
  • †Orthacanthus compressus
• †Orthonema
  • †Orthonema nebrascense – type locality for species
  • †Orthonema subtaeniatum – type locality for species
• †Ozarkodina
• †Paleochiridota
• †Paramphicrinus
• †Parethelocrinus
  • †Parethelocrinus variabilis
• †Parulocrinus
  • †Parulocrinus blairi
• {{multiple image

}} †Peachocaris

• †Peachocaris acanthouraea

• †Pentameroides
  • †Pentameroides corrugatus
• †Peripristis
  • †Peripristis semicircularis
• †Persephonichthys – type locality for genus
  • †Persephonichthys chthonica – type locality for species
• †Petalocrinus
• †Petalodus
  • †Petalodus alleghaniensis
  • †Petalodus arcuatus – type locality for species
  • †Petalodus destructor
• †Pharkidonotus
  • †Pharkidonotus percarinatus – type locality for species
• †Phoebodus
  • †Phoebodus knightianus – type locality for species
• †Plagioglypta
  • †Plagioglypta meekiana – type locality for species
• †Platyceras
• †Platyxystrodus – tentative report
  • †Platyxystrodus occidentalis – type locality for species
• †Plaxocrinus
  • †Plaxocrinus crassidiscus
• Pleurotomaria
  • †Pleurotomaria haydeniana
• †Plummericrinus
• †Polusocrinus
  • †Polusocrinus rosa
• †Polypora
• †Porpites
• †Promexyele
  • †Promexyele bairdi – type locality for species
• †Protocaudina
• Psammosphaera
• †Ptylopora
• †Punctospirifer
  • †Punctospirifer kentuckensis
• †Reticulatia
  • †Reticulatia huecoensis
• †Retispira
  • †Retispira marcouianus – type locality for species
• †Rhipidomella
  • †Rhipidomella carbonaria
• †Rhombopora
• †Romerodus – type locality for genus
  • †Romerodus orodontus – type locality for species
• †Royalella
  • †Royalella swallowiana – type locality for species
• †Sciadiocrinus
  • †Sciadiocrinus humilis
• †Shumardella
• †Sibyrhynchus
  • †Sibyrhynchus denisoni
• †Stearoceras
  • †Stearoceras sublaeve – type locality for species
• †Stellarocrinus
  • †Stellarocrinus stillativus
• {{multiple image

}} †Stethacanthus

• †Stethacanthus altonensis

• †Streblodus
  • †Streblodus angustus – type locality for species
• †Streptognathodus
• †Synarmocrinus
  • †Synarmocrinus iatani
• †Syringopora
• †Tainoceras
  • †Tainoceras nebrascense
• †Terpnocrinus
• †Tetravirga
• †Triceracrinus
• †Ulocrinus
• †Vertigocrinus
  • †Vertigocrinus parilis
• †Wellerella
  • †Wellerella cooperi – or unidentified comparable form
  • †Wellerella delicatula – or unidentified comparable form
• †Wellergyi
  • †Wellergyi subdecussatus – type locality for species

Mesozoic

• †Acanthichthys – type locality for genus
  • †Acanthichthys major – type locality for species
• †Acritodromum – type locality for genus
  • †Acritodromum ellipticum – type locality for species
• †Anisodromum – type locality for genus
  • †Anisodromum wolfei – type locality for species
• †Arcellites
  • †Arcellites disciformis
• †Citrophyllum
  • †Citrophyllum doylei – type locality for species
• †Collignoniceras
  • †Collignoniceras percarinatum
  • †Collignoniceras praecox
  • †Collignoniceras vermilionense
• †Crassidenticulum
  • †Crassidenticulum decurrens
• †Densinervum – type locality for genus
  • †Densinervum kaulii – type locality for species
• Dicotylophyllum
  • †Dicotylophyllum aliquantuliserratum – type locality for species
  • †Dicotylophyllum angularis – type locality for species
  • †Dicotylophyllum expansolobum – type locality for species
  • †Dicotylophyllum myrtophylloides – type locality for species
  • †Dicotylophyllum rosafluviatilis – type locality for species
• †Didromophyllum – type locality for genus
  • †Didromophyllum basingerii – type locality for species
• {{multiple image

}} †Didymoceras

• †Didymoceras cheyennense

• †Inoceramus
  • †Inoceramus apicalis
  • †Inoceramus cuvieri
  • †Inoceramus fragilis
• †Landonia – type locality for genus
  • †Landonia calophylla – type locality for species
• †Longstrethia – type locality for genus
  • †Longstrethia varidentata – type locality for species
• †Minerisporites
  • †Minerisporites dissimilis – type locality for species
• †Mosasaurus
• †Mytiloides
  • †Mytiloides labiatus
  • †Mytiloides mytiloides
• †Pabiania – type locality for genus
  • †Pabiania variloba – type locality for species
• †Pandemophyllum – type locality for genus
  • †Pandemophyllum attenuatum – type locality for species
  • †Pandemophyllum kvacekii – type locality for species
• †Perotriletes
  • †Perotriletes striatus
• †Pseudoperna
  • †Pseudoperna congesta
• {{multiple image

}} †Reynoldsiophyllum

• †Reynoldsiophyllum nebrascense – type locality for species

• †Rhaeboceras
• †Rosselia – or unidentified comparable form
• †Scaphites
  • †Scaphites patulus
• †Skolithos – or unidentified comparable form
• †Styxosaurus – type locality for genus
• †Volviceramus
  • †Volviceramus involutus

Cenozoic

Selected Cenozoic taxa of Nebraska

• Acer
• Acipenser
• Acris
  • †Acris crepitans – or unidentified comparable form
• †Acritohippus
  • †Acritohippus isonesus
• †Aelurodon
• {{multiple image

}} †Aepycamelus

• †Aepycamelus major
• †Aepycamelus robustus

• Agkistrodon
• †Agnotocastor
• †Agriochoerus
• †Agriotherium
• †Aletomeryx
• †Alforjas
• Alligator
• Alnus
• †Ambrosia
• †Ambystoma
  • †Ambystoma maculatum
  • †Ambystoma tigrinum
• {{multiple image

}} †Amebelodon

• Amia
  • †Amia calva
• Ammospermophilus
• †Amphechinus
• †Amphicyon
  • †Amphicyon frendens – type locality for species
  • †Amphicyon galushai – type locality for species
  • †Amphicyon ingens
• †Amphimachairodus
• †Anchitheriomys
• †Anchitherium
• †Andrias
• Antrozous – or unidentified comparable form
• Apalone
  • †Apalone spinifera
• †Aphelops
• Aplodinotus
  • †Aplodinotus grunniens
• Aramus
• †Archaeocyon
• †Archaeohippus
• †Archaeotherium
• †Arctodus
  • †Arctodus simus
• †Arctonasua
• Ardea
• Arizona
• †Artemisia
• †Astrohippus
• Atractosteus
  • †Atractosteus spatula
• Baiomys
• Balearica
• {{multiple image

}} †Barbourofelis

• †Barbourofelis fricki
• †Barbourofelis morrisi – type locality for species
• †Barbourofelis whitfordi – type locality for species

• Bassariscus
• †Bathornis
  • †Bathornis veredus
• †Bathygenys
• Betula – or unidentified comparable form
• Bison
  • †Bison latifrons
• Blarina
  • †Blarina brevicauda
• †Blastomeryx
  • †Blastomeryx gemmifer – type locality for species
• †Bootherium
  • †Bootherium bombifrons – type locality for species
• †Borophagus
  • †Borophagus diversidens
  • †Borophagus pugnator
  • †Borophagus secundus
• †Bothriodon
• †Brachycrus
• †Brachypsalis
• †Brachyrhynchocyon
• †Brontops
• Bufo
  • †Bufo cognatus
• Burhinus
• Buteo
• †Calippus
• {{multiple image

}} †Camelops

• †Camelops hesternus

• Canis
  • †Canis dirus
  • †Canis edwardii
  • †Canis ferox
  • †Canis latrans
  • †Canis lepophagus
• †Capromeryx
• †Carpocyon
• Carya
• Castor
  • †Castor californicus – or unidentified comparable form
• †Castoroides
• Cedrela
• Celtis
• †Cephalogale
• †Ceratogaulus
  • †Ceratogaulus anecdotus
  • †Ceratogaulus hatcheri
  • †Ceratogaulus rhinocerus
• †Cervalces
• Chaetodipus
  • †Chaetodipus hispidus
• †Chamaecyparis
• Charina
• Chelydra
  • †Chelydra serpentina
• †Chelydrops
  • †Chelydrops stricta – type locality for species
• Chrysemys
  • †Chrysemys picta
• Cladrastis
• Clethrionomys
  • †Clethrionomys gapperi – or unidentified comparable form
• Cnemidophorus
  • †Cnemidophorus sexlineatus
• Cocculus
• †Colodon
• Coluber
  • †Coluber constrictor
• {{multiple image

}} †Conuropsis

• †Cordia
• †Cormocyon
• †Cormohipparion
• †Cosoryx
  • †Cosoryx furcatus
• †Cranioceras
• Crataegus
• Crotalus
  • †Crotalus horridus
• Cryptotis
• †Cynarctoides
  • †Cynarctoides acridens
  • †Cynarctoides emryi – type locality for species
  • †Cynarctoides roii
• †Cynarctus
• †Cynelos
• †Cynodesmus
• Cynomys
• †Daphoenictis
• †Daphoenodon
• {{multiple image

}} †Daphoenus – type locality for genus

• Dasypus
  • †Dasypus bellus
• †Desmatippus
• †Desmatochoerus
• †Desmocyon
• †Diceratherium
• Dicrostonyx
  • †Dicrostonyx torquatus
• †Dinictis
• †Dinohippus
• †Dinohyus
  • †Dinohyus hollandi – type locality for species
• †Diospyros
• Dipodomys
• †Dipoides
• †Diprionomys
• †Domnina
• †Dromomeryx
  • †Dromomeryx borealis – type locality for species
• †Ectopocynus
• †Ekgmowechashala
  • †Ekgmowechashala philotau
• Elaphe
  • †Elaphe guttata
  • †Elaphe obsoleta
  • †Elaphe vulpina
• †Elomeryx – tentative report
• Emydoidea
  • †Emydoidea blandingii
• †Enhydrocyon
• †Epicyon
  • †Epicyon haydeni
• Equus
  • †Equus conversidens – or unidentified comparable form
  • †Equus francisci
  • †Equus simplicidens
• Erethizon
  • †Erethizon dorsatum
• Esox
• †Eubelodon
• †Eucastor
• †Eucyon
  • †Eucyon davisi
• Eumeces
• †Euoplocyon
• Felis
• †Floridatragulus
• †Fraxinus
• †Gaillardia
• Geochelone
• Geomys
  • †Geomys bursarius
• Geranoaetus
• Gerrhonotus
• †Gigantocamelus
• Glyptemys
• †Gomphotherium
• Gopherus
• Graptemys
• Grus
• †Hayoceros
• †Helodermoides
  • †Helodermoides tuberculatus
• †Hemiauchenia
  • †Hemiauchenia macrocephala
• †Herpetotherium
  • †Herpetotherium fugax
• {{multiple image

}} †Hesperocyon

• †Hesperotestudo
• Heterodon
  • †Heterodon nasicus
  • †Heterodon platyrhinos
• †Heteromeryx
• †Hipparion
  • †Hipparion forcei
• †Hippotherium
• Holbrookia – tentative report
• †Homotherium
  • †Homotherium crusafonti
• †Hoplophoneus
• †Hyaenodon
  • †Hyaenodon crucians
• Hyla
  • †Hyla gratiosa – or unidentified comparable form
  • †Hyla squirella – or unidentified comparable form
  • †Hyla versicolor – or unidentified comparable form
• †Hypertragulus
• †Hypisodus
• {{multiple image

}} †Hypohippus

• †Hypolagus
• †Hypsiops
• †Hyracodon
• Ictalurus
  • †Ictalurus punctatus – or unidentified comparable form
• Ilex
• †Indarctos
• †Ischyrocyon
• †Ischyromys
• Juglans
• †Kalobatippus
• Kinosternon
  • †Kinosternon flavescens
• †Lambdoceras
• Lampropeltis
  • †Lampropeltis calligaster
  • †Lampropeltis getulus
  • †Lampropeltis triangulum
• Lasiurus
• Leiocephalus
• Lepisosteus
• Lepomis
  • †Lepomis microlophus
• †Leptauchenia
• †Leptocyon
• †Leptomeryx
• Lepus
  • †Lepus californicus – or unidentified comparable form
• Lichanura
• Liquidambar
• †Longirostromeryx
• Lontra
• Lycopodium
• †Machairodus
• Macrochelys
  • †Macrochelys temminckii
• Mahonia
• †Mammacyon
• †Mammut
  • †Mammut matthewi
• †Mammuthus
  • {{multiple image

}} †Mammuthus columbi

• Martes
• Masticophis
  • †Masticophis flagellum
• †Mediochoerus
• †Megacamelus
• †Megahippus
• †Megalictis
  • †Megalictis ferox
• †Megalonyx
  • †Megalonyx leptostomus
• †Megantereon – tentative report
• †Megatylopus
• †Meliosma
• †Menoceras
• Mephitis
  • †Mephitis mephitis
• †Merychippus
• †Merychyus
• †Merycochoerus
• {{multiple image

}} †Merycodus

• †Merycoides
• †Merycoidodon
• †Mesocyon – report made of unidentified related form or using admittedly obsolete nomenclature
• †Mesohippus
• †Mesoreodon
• †Metailurus
• †Metalopex
• †Metatomarctus
• †Michenia
• Micropterus
• †Microtomarctus
• Microtus
  • †Microtus ochrogaster
  • †Microtus pennsylvanicus
• Micrurus
• †Migmacastor – type locality for genus
  • †Migmacastor procumbodens – type locality for species
• †Miniochoerus
• †Miohippus
• †Miotapirus
  • †Miotapirus harrisonensis
• †Miotylopus
• †Monosaulax
• †Moropus
• Mustela
  • †Mustela frenata
  • †Mustela nigripes
  • †Mustela vison
• Mycteria
• †Mylagaulus
• †Mylohyus
• Myodes
• Myotis
• †Nannippus
• †Nanotragulus
• Natrix – or unidentified comparable form
• †Neohipparion
• Neophrontops
• Neotamias
• Neotoma
• Nerodia
  • †Nerodia rhombifera
  • †Nerodia sipedon
• †Nexuotapirus
• †Nimravides
  • †Nimravides pedionomus – type locality for species
• †Nordenosaurus
• †Nototamias
• †Nyssa
• Ochotona
  • †Ochotona spanglei – or unidentified comparable form
• Odocoileus
  • †Odocoileus virginianus
• †Oligobunis
• Ondatra
  • †Ondatra zibethicus
• Onychomys
  • †Onychomys leucogaster – or unidentified comparable form
• Opheodrys – or unidentified comparable form
• Ophisaurus
  • †Ophisaurus ventralis
• Ortalis
• †Osbornodon
  • †Osbornodon iamonensis
• †Oxetocyon
• †Oxydactylus
• {{multiple image

}} †Palaeocastor

• †Palaeogale
• †Palaeolagus
• Panthera
  • †Panthera leo
• †Paracynarctus
• †Paradaphoenus
• †Paraenhydrocyon
• †Parahippus
• †Paramylodon
  • †Paramylodon harlani
• †Paramys
• Parascalops – or unidentified comparable form
• †Paratomarctus
• †Paratylopus
• †Parictis
• †Paronychomys
• †Parvitragulus – tentative report
• †Pediolophodon
• †Pediomeryx
• †Peltosaurus
  • †Peltosaurus granulosus
• †Peraceras
• Perognathus
• Peromyscus
• †Phasianus
• †Phenacocoelus
• Phenacomys
  • †Phenacomys intermedius – or unidentified comparable form
• †Phlaocyon
  • †Phlaocyon annectens
  • †Phlaocyon mariae – type locality for species
  • †Phlaocyon minor
  • †Phlaocyon yatkolai – type locality for species
• Phrynosoma
  • †Phrynosoma cornutum
• Picea
• Pinus
• Pituophis
  • †Pituophis catenifer
  • †Pituophis melanoleucus
• Platanus
• †Platybelodon
• †Platygonus
  • †Platygonus compressus
• †Pleiolama
• †Plesiogulo
• †Pliauchenia
• †Pliocyon
• †Pliohippus
• †Pliometanastes
• †Plionarctos
• †Plithocyon
• †Poebrotherium
• {{multiple image

}} †Pogonodon

• Populus
• †Proantilocapra
• †Procamelus
  • †Procamelus occidentalis
• †Procastoroides
• †Procranioceras
• †Promartes
• †Promerycochoerus
• †Proscalops
• †Prosynthetoceras
• †Proterix
• †Protoceras
• †Protohippus
• †Protolabis
• †Protomarctus
• Prunus
  • †Prunus acuminata – type locality for species
• †Psalidocyon
• Pseudacris
• †Pseudaelurus
• †Pseudhipparion
• †Pseudocyon
• †Pseudolabis
• †Pseudoprotoceras
• Pterocarya
• †Pylodictis
  • †Pylodictis olivaris
• Quercus
  • †Quercus parvula – type locality for species
• †Ramoceros
• †Ramoceros
• †Rana
  • †Rana catesbeiana
  • †Rana clamitans
  • †Rana pipiens
  • †Rana sylvatica
• †Regina – or unidentified comparable form
• Reithrodontomys
• †Repomys
• Rhineura
• Rhinocheilus
  • †Rhinocheilus lecontei
• †Ribes
• †Robinia
• Salix
• Salvadora
• †Sarcobatus – or unidentified comparable form
• †Satherium
  • †Satherium piscinarium
• Scalopus
  • †Scalopus aquaticus
• Scaphiopus
• †Scaphohippus
• Sceloporus
  • †Sceloporus undulatus
• Sequoia – or unidentified comparable form
• †Serbelodon
• †Sespia
• Sigmodon
• Siren
• Sistrurus
  • †Sistrurus catenatus
• †Skinnerhyus – type locality for genus
• †Smilodon
  • †Smilodon fatalis – or unidentified comparable form
• Sorex
  • †Sorex arcticus
  • †Sorex cinereus
  • †Sorex palustris
• Spea
  • †Spea bombifrons
• Spermophilus
  • †Spermophilus elegans
  • †Spermophilus franklinii – or unidentified comparable form
  • †Spermophilus richardsonii
  • †Spermophilus tridecemlineatus
• Spizaetus
• †Stegomastodon
• †Steneofiber
• †Stenomylus
  • †Stenomylus gracilis
  • †Stenomylus hitchcocki – type locality for species
• Sthenictis
• †Stylemys
• †Subdromomeryx
  • †Subdromomeryx antilopinus
• †Subhyracodon
• †Sunkahetanka
  • †Sunkahetanka geringensis
• Sylvilagus
  • †Sylvilagus floridanus
• Synaptomys
  • †Synaptomys cooperi
• †Syndyoceras
  • †Syndyoceras cooki – type locality for species
• {{multiple image

}} †Synthetoceras

• †Synthetoceras tricornatus

• Tamias
• †Tanymykter
• Tapirus
  • †Tapirus johnsoni – type locality for species
  • †Tapirus polkensis – or unidentified comparable form
• Taxidea
  • †Taxidea taxus
• †Teleoceras
  • †Teleoceras major – type locality for species
• †Temnocyon
• †Tephrocyon
• Terrapene
  • †Terrapene ornata – type locality for species
• †Tetrabelodon
• Thamnophis
  • †Thamnophis proximus
  • †Thamnophis radix
  • †Thamnophis sirtalis
• {{multiple image

}} †Thinobadistes

• Thomomys
• †Ticholeptus
• Tilia
• †Titanotylopus
• †Tomarctus
  • †Tomarctus brevirostris
  • †Tomarctus hippophaga – type locality for species
• Trachemys
• †Trigenicus
• †Trigonias
  • †Trigonictis macrodon
• Trionyx
• Tropidoclonion – or unidentified comparable form
• †Tylocephalonyx
• Ulmus
• Urocyon
• †Ursavus
• †Ustatochoerus
• Vitis
• Vulpes
  • †Vulpes velox
• †Ysengrinia
• †Yumaceras
• Zapus
  • †Zapus hudsonius
• †Zodiolestes
• †Zygolophodon

References

• {{cite web |title=Fossilworks: Gateway to the Paleobiology Database |author=Various Contributors to the Paleobiology Database |url=http://fossilworks.org/ |accessdate=7 August 2017}}

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