List of the prehistoric life of Nebraska

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

• 

  Restoration of the Carboniferous Chimaera relative Belantsea

  † 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

• 

  Fossil of the Carboniferous shark Ctenacanthus

  † 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

• 

  Fossil in multiple views of the Late Devonian-Permian tabulate coral Favosites

  † Favosites
• † Fissodus
  • † Fissodus inaequalis
• † Gilliodus
  • † Gilliodus peyeri
• † Glabrocingulum
  • † Glabrocingulum grayvillense
• † Glaukosocrinus
  • † Glaukosocrinus berryi – type locality for species

• 

  Life restoration of the Carboniferous shark Glikmanius

  † 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

• 

  Fossil of the Ordovician-Silurian tabulate coral Halysites

  † 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

• 

  Life restoration of the Carboniferous Chimaera relative Iniopteryx

  † 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

• 

  Fossilized shell of the Carboniferous-Permian nautiloid cephalopod Metacoceras

  † Metacoceras
• † Microcaracrinus
  • † Microcaracrinus twenhofeli
• † Monongahela
• † Moreyella
• † Mycterops
  • † Mycterops whitei
• † Nebraskacrinus
  • † Nebraskacrinus tourteloti
• † Neochonetes
  • † Neochonetes granulifer
• † Neospirifer
  • † Neospirifer dunbari
• † Nodosinella – tentative report

• 

  Life restoration of the Carboniferous-Permian freshwater shark Orthacanthus

  † 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

• 

  Fossil of the Carboniferous crustacean Peachocaris

  † 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

• 

  Fossilized shell of the Silurian-Early Triassic sea snail Platyceras

  † 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

• 

  Life restorations of a male (foreground) and female (background) of the Late Devonian-Carboniferous Chimaera relative Stethacanthus

  † 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

• 

  Fossilized shell of the Late Cretaceous ammonoid Collignoniceras

  † 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
• † 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

• 

  Life restoration of two of the Late Cretaceous Mosasaurus

  † 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
• † Reynoldsiophyllum
  • † Reynoldsiophyllum nebrascense – type locality for species
• † Rhaeboceras
• † Rosselia – or unidentified comparable form
• † Scaphites
  • † Scaphites patulus
• † Skolithos – or unidentified comparable form

• 

  Animated life restoration of the Late Cretaceous plesiosaur Styxosaurus

  † Styxosaurus – type locality for genus
• † Volviceramus
  • † Volviceramus involutus

Cenozoic

Main article: List of the Cenozoic life of Nebraska

Selected Cenozoic taxa of Nebraska

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

• 

  Life restoration of the Miocene camel Aepycamelus , or the long-necked camel. Heinrich Harder (1920).

  † Aepycamelus
  • † Aepycamelus major
  • † Aepycamelus robustus
• Agkistrodon
• † Agnotocastor
• † Agriochoerus
• † Agriotherium
• † Aletomeryx
• † Alforjas
• Alligator
• Alnus
• † Ambrosia
• † Ambystoma
  • † Ambystoma maculatum
  • † Ambystoma tigrinum

• 

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

  † Amebelodon
• Amia
  • † Amia calva
• Ammospermophilus
• † Amphechinus
• † Amphicyon
  • † Amphicyon frendens – type locality for species
  • † Amphicyon galushai – type locality for species
  • † Amphicyon ingens
• † Amphimachairodus
• † Anchitheriomys

• 

  Fossilized mandibles of the Miocene three-toed horse Anchitherium

  † Anchitherium
• † Andrias
• Antrozous – or unidentified comparable form
• Apalone
  • † Apalone spinifera
• † Aphelops
• Aplodinotus
  • † Aplodinotus grunniens
• Aramus
• † Archaeocyon
• † Archaeohippus

• 

  Life restoration of the Eocene-Oligocene entelodont mammal Archaeotherium

  † Archaeotherium
• † Arctodus
  • † Arctodus simus
• † Arctonasua
• Ardea
• Arizona
• † Artemisia
• † Astrohippus
• Atractosteus
  • † Atractosteus spatula
• Baiomys
• Balearica
• † 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

  • 

    Mounted fossilized skeleton of the Pleistocene Bison latifrons , also known as the giant bison or long-horned 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

• 

  Life restoration of the Pliocene-Holocene camel Camelops

  † 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

• 

  Life restoration of the Miocene-Pleistocene horned gopher Ceratogaulus . Robert Bruce Horsfall (1913).

  † 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

• 

  Flowers of a living Cladrastis , or yellowwood

  Cladrastis
• Clethrionomys
  • † Clethrionomys gapperi – or unidentified comparable form
• Cnemidophorus
  • † Cnemidophorus sexlineatus
• Cocculus
• † Colodon
• Coluber
  • † Coluber constrictor
• † Conuropsis
• † Cordia
• † Cormocyon
• † Cormohipparion
• † Cosoryx
  • † Cosoryx furcatus

• 

  Restoration of the Miocene palaeomerycid Cranioceras , a relative of modern deer, with anachronistic human to scale

  † Cranioceras
• Crataegus
• Crotalus
  • † Crotalus horridus
• Cryptotis
• † Cynarctoides
  • † Cynarctoides acridens
  • † Cynarctoides emryi – type locality for species
  • † Cynarctoides roii
• † Cynarctus
• † Cynelos
• † Cynodesmus
• Cynomys
• † Daphoenictis
• † Daphoenodon

• 

  Life restoration of the Eocene-Miocene bear dog Daphoenus

  † Daphoenus – type locality for genus
• Dasypus
  • † Dasypus bellus
• † Desmatippus
• † Desmatochoerus
• † Desmocyon
• † Diceratherium
• Dicrostonyx
  • † Dicrostonyx torquatus

• 

  Life restoration of the Eocene-Miocene false saber-toothed cat Dinictis . Robert Bruce Horsfall (1913).

  † 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

• 

  Life restoration of the Eocene-Oligocene anthracothere mammal Elomeryx

  † 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

• 

  Life restoration of the Miocene elephant relative Eubelodon

  † Eubelodon
• † Eucastor
• † Eucyon
  • † Eucyon davisi
• Eumeces
• † Euoplocyon
• Felis
• † Floridatragulus
• † Fraxinus
• † Gaillardia
• Geochelone
• Geomys
  • † Geomys bursarius
• Geranoaetus
• Gerrhonotus
• † Gigantocamelus
• Glyptemys

• 

  Mounted fossilized skeleton of the Miocene-Pleistocene elephant relative Gomphotherium

  † Gomphotherium
• Gopherus
• Graptemys
• Grus
• † Hayoceros
• † Helodermoides
  • † Helodermoides tuberculatus
• † Hemiauchenia
  • † Hemiauchenia macrocephala
• † Herpetotherium
  • † Herpetotherium fugax

• 

  Life restoration of the Eocene-Oligocene dog Hesperocyon . Robert Bruce Horsfall (1913).

  † Hesperocyon
• † Hesperotestudo
• Heterodon
  • † Heterodon nasicus
  • † Heterodon platyrhinos
• † Heteromeryx
• † Hipparion
  • † Hipparion forcei
• † Hippotherium
• Holbrookia – tentative report

• 

  Restoration of Pliocene-Pleistocene Homotherium , or scimitar cat

  † 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
• † Hypohippus
• † Hypolagus
• † Hypsiops
• † Hyracodon
• Ictalurus
  • † Ictalurus punctatus – or unidentified comparable form
• Ilex

• 

  Fossilized skull of the Miocene bear Indarctos

  † Indarctos
• † Ischyrocyon
• † Ischyromys
• Juglans
• † Kalobatippus
• Kinosternon
  • † Kinosternon flavescens
• † Lambdoceras
• Lampropeltis
  • † Lampropeltis calligaster
  • † Lampropeltis getulus
  • † Lampropeltis triangulum
• Lasiurus
• Leiocephalus
• Lepisosteus
• Lepomis
  • † Lepomis microlophus

• 

  Restoration of the Oligocene-Miocene oreodont mammal Leptauchenia

  † 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

  • 

    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
• Masticophis
  • † Masticophis flagellum
• † Mediochoerus
• † Megacamelus
• † Megahippus
• † Megalictis
  • † Megalictis ferox
• † Megalonyx
  • † Megalonyx leptostomus
• † Megantereon – tentative report
• † Megatylopus
• † Meliosma
• † Menoceras
• Mephitis

  • 

    A living Mephitis mephitis , or striped skunk

    † Mephitis mephitis
• † Merychippus
• † Merychyus
• † Merycochoerus
• † Merycodus
• † Merycoides
• † Merycoidodon
• † Mesocyon – report made of unidentified related form or using admittedly obsolete nomenclature
• † Mesohippus
• † Mesoreodon

• 

  Mounted fossilized skeleton of the Miocene-Pleistocene saber-toothed cat Metailurus

  † 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
• Myotis
• † Nannippus
• † Nanotragulus
• Natrix – or unidentified comparable form
• † Neohipparion

• 

  Mounted fossilized skeleton of the Miocene Neophrontops

  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

• 

  A living Odocoileus deer

  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

• 

  Spiral-shaped fossilized burrow and associated skeleton of the Oligocene-Miocene beaver Palaeocastor

  † 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

• 

  Fossilized skull of the Eocene-Oligocene lizard Peltosaurus

  † 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

• 

  Mounted fossilized skeleton of the Miocene elephant relative Platybelodon

  † Platybelodon
• † Platygonus
  • † Platygonus compressus
• † Pleiolama
• † Plesiogulo
• † Pliauchenia
• † Pliocyon
• † Pliohippus
• † Pliometanastes
• † Plionarctos
• † Plithocyon
• † Poebrotherium

• 

  Illustration of a fossilized skull of the Oligocene false faber-toothed cat Pogonodon

  † Pogonodon
• Populus
• † Proantilocapra
• † Procamelus
  • † Procamelus occidentalis
• † Procastoroides
• † Procranioceras
• † Promartes
• † Promerycochoerus
• † Proscalops
• † Prosynthetoceras
• † Proterix

• 

  Life restoration of a female (left) and male of the Oligocene-Miocene even-toed ungulate Protoceras . Charles R. Knight (1896).

  † 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

• 

  Life restoration of the Miocene-Pliocene pronghorn Ramoceros and Cosoryx . Robert Bruce Horsfall (1913).

  † Ramoceros
• † Ramoceros
• † Rana
  • † Rana catesbeiana
  • † Rana clamitans
  • † Rana pipiens
  • † Rana sylvatica
• † Regina – or unidentified comparable form
• Reithrodontomys
• † Repomys
• Rhineura
• Rhinocheilus
  • † Rhinocheilus lecontei
• † Ribes

• 

  Flowers of a living Robinia

  † 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

• 

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

  † 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

• 

  Mounted fossilized skeleton of the Pliocene-Pleistocene elephant relative Stegomastodon

  † 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

• 

  Restoration of the Miocene protoceratid mammal Syndyoceras

  † Syndyoceras
  • † Syndyoceras cooki – type locality for species
• † Synthetoceras
  • † Synthetoceras tricornatus
• Tamias
• † Tanymykter
• Tapirus
  • † Tapirus johnsoni – type locality for species
  • † Tapirus polkensis – or unidentified comparable form
• Taxidea
  • † Taxidea taxus

• 

  Restoration of the Miocene-Pliocene rhinoceros Teleoceras

  † Teleoceras
  • † Teleoceras major – type locality for species
• † Temnocyon
• † Tephrocyon
• Terrapene
  • † Terrapene ornata – type locality for species
• † Tetrabelodon
• Thamnophis
  • † Thamnophis proximus
  • † Thamnophis radix
  • † Thamnophis sirtalis

• 

  Mounted fossilized skeleton of the Miocene-Pliocene ground sloth Thinobadistes

  † 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

• 

  Known material diagram depicting the Miocene-Pleistocene mastodon relative Zygolophodon with a human to scale

  † Zygolophodon

References

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