List of the Cenozoic life of Utah

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

A

  • Abies
  • Achaenodon
    • Achaenodon uintensis – type locality for species
  • Acmeodon
  • Acrocera
    • Acrocera hirsuta – type locality for species
  • Aepinacodon
  • Aethomylos
    • Aethomylos simplicidens
  • Ageina – or unidentified comparable form
  • Life restoration of the Eocene-Oligocene even-toed ungulate Agriochoerus
    Agriochoerus
    • Agriochoerus maximus
  • Alligator
  • Allognathosuchus – or unidentified comparable form
  • Allophaiomys
    • Allophaiomys pliocaenicus
  • Amia
    • Amia uintensis
  • Amyda
    • Amyda crassa – type locality for species
    • Amyda gregaria
  • Amynodon
    • Amynodon advenus
    • Amynodon reedi
  • Anaptomorphus
    • Anaptomorphus aemulus
  • Anemorhysis
  • Anisonchus
    • Anisonchus athelas
    • Anisonchus oligistus
    • Anisonchus onostus
    • Anisonchus sectorius
  • Fossilized shell of the Eocene-Oligocene turtle Anosteira
    Anosteira
    • Anosteira ornata
  • Anthonomus
    • Anthonomus soporus
  • Antiacodon
    • Antiacodon pygmaeus
  • Antilocapra
    • Antilocapra americana – or unidentified comparable form
  • Apalone
  • Apataelurus
    • Apataelurus kayi – type locality for species
  • Apatemys
    • Apatemys bellulus – or unidentified comparable form
    • Apatemys bellus – or unidentified comparable form
    • Apatemys rodens – or unidentified comparable form
    • Apatemys uintensis – type locality for species
  • Aphronorus
    • Aphronorus simpsoni
  • Restoration of an Arctodus, or short-faced bear, with a human to scale
    Arctodus
    • Arctodus simus
  • Armintodelphys
    • Armintodelphys dawsoni
  • Artemisia
  • Asilopsis – type locality for genus
    • Asilopsis fusculus – type locality for species
  • Asilus
    • Asilus palaeolestes – type locality for species
  • Aulobaris
    • Aulobaris circumscripta
    • Aulobaris comminuta – type locality for species
  • Auxontodon
    • Auxontodon pattersoni

B

  • Baena
    • Baena arenosa – type locality for species
    • Baena emiliae
  • Baptemys
  • Basirepomys
    • Basirepomys robertsi – type locality for species
  • Bembidium
    • Bembidium exoletum – type locality for species
  • Bison
  • Bittacus
    • Bittacus egestionis – type locality for species
  • Blickomylus
    • Blickomylus moroni – type locality for species
  • Bootherium
    • Bootherium bombifrons
  • Fossilized skeleton of the Eocene crocodilian Boverisuchus
    Boverisuchus
    • Boverisuchus vorax – type locality for species
  • Brachyhyops
    • Brachyhyops wyomingensis
  • Brachylagus
    • Brachylagus idahoensis – or unidentified comparable form
  • Bridgeremys
    • Bridgeremys pusilla – tentative report
  • Bunomeryx
    • Bunomeryx montanus – type locality for species

C

  • Life restoration of the Pliocene-Holocene camel Camelops
    Camelops
    • Camelops hesternus – or unidentified comparable form
  • Camponotus
    • Camponotus vetus – type locality for species
  • Canis
    • Canis dirus – or unidentified comparable form
    • Canis latrans – tentative report
    • Canis lupus
  • Capricamelus
  • Carabites
    • Carabites eocenicus – type locality for species
    • Carabites exanimus – type locality for species
  • Catopsalis
    • Catopsalis fissidens
  • Cedrelospermum
    • Cedrelospermum nervosum
  • Centetodon
    • Centetodon bembicophagus
    • Centetodon pulcher
  • Life restoration of the Late Cretaceous-Eocene choristoderan reptile Champsosaurus
    Champsosaurus
  • Chara
  • Cheilosia
    • Cheilosia scudderi
  • Chipetaia
    • Chipetaia lamporea – type locality for species
  • Chisternon
    • Chisternon undatum – type locality for species
  • Chriacus
    • Chriacus baldwini
  • Cicindelopsis – type locality for genus
    • Cicindelopsis eophilus – type locality for species
  • Colodon
  • Compsemys
  • Conacodon
    • Conacodon kohlbergeri
  • Coniatus
    • Coniatus refractus
  • Conoryctella – type locality for genus
    • Conoryctella dragonensis – type locality for species
    • Conoryctella pattersoni
  • Copemys
    • Copemys mariae – or unidentified related form
  • Coryphodon
    • Coryphodon lobatus
  • Cristadjidaumo – type locality for genus
    • Cristadjidaumo mckennai – type locality for species
  • Crocodylus
    • Fossilized skull of the Eocene crocodilian Crocodylus acer
      Crocodylus acer – type locality for species
    • Crocodylus affinis
  • Crypholestes
  • Culex
    • Culex proavitus – type locality for species
  • Cupidinimus
  • Cuterebra
    • Cuterebra ascarides
  • Cyttaromyia – type locality for genus
    • Cyttaromyia fenestrata – type locality for species

D

  • Desmatoclaenus
    • Desmatoclaenus hermaeus
  • Dicranomyia
    • Dicranomyia primitiva – type locality for species
    • Dicranomyia rostrata – type locality for species
    • Dicranomyia stigmosa – type locality for species
  • Mounted fossilized skeleton of the Miocene-Pliocene horse Dinohippus
    Dinohippus
  • Diplacodon
    • Diplacodon elatus
    • Diplacodon emarginatus – type locality for species
  • Diplobunops
    • Diplobunops crassus
    • Diplobunops matthewi
  • Diprionomys
    • Diprionomys minimus – or unidentified comparable form
  • Dipsalidictis
    • Dipsalidictis transiens
  • Draconodus
    • Draconodus apertus
  • Dracontolestes
    • Dracontolestes aphantus – type locality for species
  • Duchesnehippus
    • Duchesnehippus intermedius
  • Duchesneodus
    • Duchesneodus uintensis

E

  • Fossilized shell of the Eocene turtle Echmatemys
    Echmatemys
    • Echmatemys depressa – type locality for species
    • Echmatemys douglassi – type locality for species
    • Echmatemys septaria – type locality for species
    • Echmatemys uintensis
  • Ectoconus
    • Ectoconus ditrigonus
    • Ectoconus symbolus
  • Ellipsodon
    • Ellipsodon grangeri
    • Ellipsodon lemuroides
    • Ellipsodon sternbergi – type locality for species
  • Elliptio
  • Life restoration of a pair of the Eocene uintathere mammal Eobasileus. Charles R. Knight (1890s).
    Eobasileus
    • Eobasileus cornutus
  • Eobracon – type locality for genus
    • Eobracon cladurus – type locality for species
  • Eocaenonemonyx
    • Eocaenonemonyx kuscheli – type locality for species
  • Eoconodon
  • Eodiploglossus
    • Eodiploglossus borealis
  • Eoformica
    • Eoformica pinguis – type locality for species
  • Eomoropus
    • Eomoropus amarorum – type locality for species
    • Eomoropus anarsius
  • Eonessa – type locality for genus
    • Eonessa anaticula – type locality for species
  • Epicaerus
    • Epicaerus effossus
    • Epicaerus eradicatus
    • Epicaerus evigoratus
    • Epicaerus exanimis
    • Epicaerus subterraneus
    • Epicaerus terrosus
  • Epihippus
    • Epihippus gracilis
  • Epiphanis
    • Epiphanis deletus – type locality for species
  • Epitriplopus
    • Epitriplopus uintensis
  • Equus
  • Erethizon
    • Erethizon dorsatum – tentative report
  • Eucastor
    • Eucastor tortus – or unidentified comparable form
  • Fossil of the Eocene bee Euglossopteryx
    Euglossopteryx – type locality for genus
    • Euglossopteryx biesmeijeri – type locality for species
  • Eutamias
    • Eutamias minimus

G

  • Glyptosaurus
    • Glyptosaurus sylvestris
  • Gnoriste
    • Gnoriste dentoni – type locality for species
  • Goniacodon
    • Goniacodon hiawathae
  • Griphomys

H

Life restoration of the Eocene horse Eohippus. Heinrich Harder (1920).
  • Hadrianus
    • Hadrianus corsoni
    • Hadrianus utahensis – type locality for species
  • Haplaletes
    • Haplaletes andakupensis
  • Haploconus
    • Haploconus angustus
    • Haploconus elachistus
  • Haplolambda – or unidentified comparable form
    • Haplolambda simpsoni – type locality for species
  • Fossilized skull of the mesonychian mammal Harpagolestes
    Harpagolestes
    • Harpagolestes brevipes – type locality for species
    • Harpagolestes leotensis – type locality for species
    • Harpagolestes uintensis
  • Helaletes
    • Helaletes nanus
  • Helodermoides – tentative report
  • Heptacodon
  • Herpetotherium
    • Herpetotherium innominatum
  • Hesperolagomys
    • Hesperolagomys galbreathi
  • Hessolestes
    • Hessolestes ultimus – type locality for species
  • Heteraletes
    • Heteraletes leotanus
  • Hoplochelys
  • Life restoration of the Eocene-Miocene creodont mammal Hyaenodon
    Hyaenodon
    • Hyaenodon vetus – or unidentified comparable form
  • Hydrobia – or unidentified comparable form
  • Hylobius
    • Hylobius deleticius – type locality for species
  • Hylomeryx
    • Hylomeryx annectens
    • Hylomeryx quadricuspis – type locality for species
  • Hyopsodus
    • Hyopsodus minusculus
    • Hyopsodus paulus
    • Hyopsodus uintensis – type locality for species
  • Hypohippus
  • Hypolagus
    • Hypolagus vetus
  • Hyrachyus
    • Hyrachyus eximius
    • Hyrachyus modestus
  • Hyracodon
    • Hyracodon medius
  • Hyracotherium
    • Hyracotherium vasacciense

I

  • Isectolophus – type locality for genus
    • Isectolophus annectens – type locality for species

J

  • Janimus
    • Janimus rhinophilus – type locality for species

K

L

  • Laccophilus
  • Lambdotherium
  • Lasioptera
    • Lasioptera recessa – type locality for species
  • Leistotrophus
    • Leistotrophus patriarchicus – type locality for species
  • Lemmiscus
    • Lemmiscus curtatus
  • Lepisosteus
    • Lepisosteus simplex
  • Life restoration of the Eocene-Oligocene even-toed ungulate Leptomeryx
    Leptomeryx
  • Leptoreodon
    • Leptoreodon marshi
  • Leptotragulus
    • Leptotragulus clarki
    • Leptotragulus medius – type locality for species
    • Leptotragulus proavus
  • Lepus
    • Lepus townsendii – or unidentified comparable form
  • Limalophus
    • Limalophus compositus
    • Limalophus receptus – type locality for species
  • Top view of a fossilized skull of the Eocene creodont mammal Limnocyon
    Limnocyon
    • Limnocyon potens
    • Limnocyon verus – or unidentified comparable form
  • Liodontia
  • Lioplacoides – or unidentified comparable form
  • Litaletes
    • Litaletes gazini
  • Lithadothrips – type locality for genus
    • Lithadothrips vetusta – type locality for species
  • Loxolophus
    • Loxolophus pentacus
    • Loxolophus spiekeri
  • A living Lynx
    Lynx
    • Lynx canadensis – or unidentified comparable form

M

  • Macrotarsius
    • Macrotarsius jepseni – type locality for species
  • Mammut
    • Mammut americanum
  • Mammuthus
    • Mammuthus columbi
    • Life restorations of a Mammut americanum, or American mastodon (right), and a Mammuthus primigenius, or wooly mammoth (left)
      Mammuthus primigenius
  • Marsilea[1]
    • Marsilea sprungerorum[1]
  • Megalamynodon
    • Megalamynodon regalis – type locality for species
  • Megalonyx
    • Megalonyx jeffersonii
  • Menops
    • Menops marshi
  • Merriamoceros
  • Mesomeryx – type locality for genus
    • Mesomeryx grangeri – type locality for species
  • Life restoration of the Eocene mammal Mesonyx
    Mesonyx
    • Mesonyx obtusidens
  • Metaliomys – type locality for genus
    • Metaliomys sevierensis – type locality for species
  • Metanoiamys
    • Metanoiamys lacus
  • Metarhinus
    • Metarhinus diploconus
    • Metarhinus fluviatilis – type locality for species
    • Metarhinus parvus
  • Metatelmatherium
    • Metatelmatherium ultimum – type locality for species
  • Life restoration of the Paleocene-Eocene mammal Miacis
    Miacis
    • Miacis parvivorus – or unidentified comparable form
  • Microparamys
    • Microparamys dubius
    • Microparamys minutus
  • Micropternodus
  • Microsyops
  • Microtus
    • Microtus montanus
    • Microtus paroperarius
  • Mictomys
    • Mictomys borealis
  • Mimomys
    • Mimomys dakotaensis – or unidentified comparable form
  • Mimotricentes
  • Miocyon
    • Miocyon major – or unidentified comparable form
    • Miocyon scotti – type locality for species
    • Miocyon vallisrubrae – type locality for species
  • Mustela
    • Mustela erminea – tentative report
    • A living Neovison vison, or American mink
      Mustela vison
  • Myrmecoboides
  • Mytonolagus
    • Mytonolagus petersoni – type locality for species
  • Mytonomeryx
    • Mytonomeryx scotti – type locality for species
  • Mytonomys
    • Mytonomys mytonensis
    • Mytonomys robustus – type locality for species

N

O

  • A living Odocoileus deer
    Odocoileus
  • Oliveremys
    • Oliveremys uintaensis
  • Omomys
    • Omomys carteri
    • Omomys lloydi – type locality for species
  • Ondatra
  • Onychodectes
    • Onychodectes tisonensis – or unidentified comparable form
  • Oodectes – tentative report
  • Ophryastes
    • Ophryastes petrarum
  • Ophryastites
    • Ophryastites digressus – type locality for species
  • Orelladjidaumo – or unidentified comparable form
  • Oromeryx
    • Oromeryx plicatus – type locality for species
  • Ourayia
    • Ourayia hopsoni
    • Ourayia uintensis – type locality for species
  • Oxyacodon
    • Oxyacodon apiculatus
    • Oxyacodon ferronensis – type locality for species
    • Oxyacodon marshater – type locality for species
  • Oxyaenodon
    • Oxyaenodon dysodus
  • Oxyclaenus
    • Oxyclaenus pugnax
  • Oxygonus
    • Oxygonus mortuus – type locality for species
  • Oxytomodon
    • Oxytomodon perissum

P

  • Pachymerus
    • Pachymerus petrensis – type locality for species
  • Paenemarmota
    • Paenemarmota sawrockensis
  • Palaeictops
    • Palaeictops bridgeri
  • Palaeoeristalis – type locality for genus
    • Palaeoeristalis tesselatus – type locality for species
  • Palaeothrips – type locality for genus
    • Palaeothrips fossilis – type locality for species
  • Palaeoxantusia
  • Pantolestes
    • Pantolestes longieundus – or unidentified comparable form
  • Paradjidaumo
    • Paradjidaumo alberti – or unidentified comparable form
    • Paradjidaumo trilophus
  • Fossilized skeleton of the Pliocene-Pleistocene ground sloth Paramylodon
    Paramylodon
    • Paramylodon harlani – or unidentified comparable form
  • Paramys
    • Paramys compressidens – type locality for species
    • Paramys delicatus
    • Paramys leptodus
  • Parasauromalus
    • Parasauromalus olseni
  • Parectypodus
  • Pareumys
    • Pareumys grangeri
    • Pareumys guensburgi – type locality for species
    • Pareumys milleri – type locality for species
    • Pareumys troxelli
  • Paromomys
    • Paromomys depressidens
  • Paronychomys
    • Paronychomys lemredfieldi
  • Paropsocus – type locality for genus
    • Paropsocus disjunctus – type locality for species
  • Passaliscomys – type locality for genus
    • Passaliscomys priscus – type locality for species
  • Pauromys
  • Penetrigonias
    • Penetrigonias dakotensis
  • Pentacemylus
    • Pentacemylus leotensis
    • Pentacemylus progressus – type locality for species
  • Peradectes
    • Peradectes chesteri
  • Fossilized mandible of the Eocene-Miocene mammal Peratherium
    Peratherium
    • Peratherium marsupium
  • Periptychus
    • Periptychus carinidens
    • Periptychus coarctatus
  • Peromyscus
  • Phenacomys
    • Phenacomys gryci – or unidentified comparable form
    • Phenacomys intermedius
  • Phygadeuon
    • Phygadeuon petrifactellus – type locality for species
  • Phyllobius
    • Phyllobius avus
    • Phyllobius carcerarius
  • Phyllophaga
    • Phyllophaga avus – type locality for species
  • Physa
  • Picea
  • A living Pinus, or pine tree
    Pinus
  • Plastomenoides
    • Plastomenoides lamberti
  • Plastomenus
  • Plecia
    • Plecia woodruffi – type locality for species
  • Plesiolestes
    • Plesiolestes nacimienti
  • Poabromylus
    • Poabromylus kayi – type locality for species
  • Poebrodon
    • Poebrodon kayi – type locality for species
  • Polemonium – or unidentified comparable form
  • Presbyorniformipes
    • Presbyorniformipes feduccii – type locality for species
  • Life restoration of the Paleocene-Eocene waterfowl Presbyornis
    Presbyornis – type locality for genus
    • Presbyornis pervetus – type locality for species
    • Presbyornis recurvirostrus – type locality for species
  • Procaimanoidea – type locality for genus
    • Procaimanoidea kayi
    • Procaimanoidea utahensis – type locality for species
  • Procas
    • Procas vinculatus
  • Procynodictis
    • Procynodictis vulpiceps
  • Prodaphaenus
    • Prodaphaenus uintensis – type locality for species
  • Promioclaenus
  • Pronophlebia – type locality for genus
    • Pronophlebia rediviva – type locality for species
  • Propalaeosinopa – tentative report
  • Protadjidaumo
    • Protadjidaumo typus – type locality for species
  • Protictis
    • Protictis haydenianus
  • Restorative models in multiple views of the Eocene brontothere Protitanotherium (figure 3)
    Protitanotherium
  • Protochriacus
    • Protochriacus simplex
  • Protoptychus
    • Protoptychus hatcheri
  • Protoreodon
    • Protoreodon minor – type locality for species
    • Protoreodon parvus
    • Protoreodon petersoni – type locality for species
    • Protoreodon pumilus – type locality for species
  • Protoselene
    • Protoselene griphus
  • Illustration of a fossilized skull of the Eocene camel Protylopus
    Protylopus
    • Protylopus annectens – type locality for species
    • Protylopus petersoni
  • Fossilized skeleton of the Eocene creodont mammal Proviverra
    Proviverra
    • Proviverra longipes
  • Proviverroides
    • Proviverroides piercei – or unidentified comparable form
  • Proxestops – or unidentified comparable form
    • Proxestops silberlingii
  • Pseudodiplacodon
  • Pseudosalix – type locality for genus
    • Pseudosalix handleyi – type locality for species
  • Pseudotomus
    • Pseudotomus eugenei – type locality for species
    • Pseudotomus petersoni – type locality for species
  • Illustration of a fossilized skull of the Paleocene multituberculate mammal Ptilodus
    Ptilodus
    • Ptilodus mediaevus
    • Ptilodus tsosiensis – or unidentified comparable form

R

  • Reithroparamys
    • Reithroparamys sciuroides – type locality for species
  • A living Rhinoclemmys, or Neotropical wood turtle
    Rhinoclemmys – report made of unidentified related form or using admittedly obsolete nomenclature

S

  • Fossilized skeleton of the Eocene monitor lizard Saniwa
    Saniwa
    • Saniwa ensidens
  • Sargus
    • Sargus vetus – type locality for species
  • Scenopagus
    • Scenopagus edenensis
    • Scenopagus priscus
  • Sciuravus
    • Sciuravus altidens – type locality for species
    • Sciuravus eucristadens
    • Sciuravus popi – type locality for species
  • Simidectes – type locality for genus
    • Simidectes magnus – type locality for species
    • Simidectes medius – type locality for species
  • Simimeryx
    • Simimeryx minutus
  • Simimys – or unidentified comparable form
  • Sinopa
    • Sinopa agilis
    • Sinopa major
    • Sinopa rapax
  • Smilodectes
    • Smilodectes gracilis
  • Life restoration of the Pleistocene-Holocene saber-tooth cat Smilodon
    Smilodon
    • Smilodon fatalis – or unidentified comparable form
  • Sorex
    • Sorex palustris
  • Spermophilus
    • Spermophilus armatus – or unidentified comparable form
  • Sphenocoelus
    • Sphenocoelus hyognathus
  • Sthenodectes
    • Sthenodectes incisivum – type locality for species
  • Stygimys
    • Stygimys kuszmauli
  • Stylemys
    • Stylemys uintensis – type locality for species
  • Life restoration of the Eocene taeniodont mammal Stylinodon
    Stylinodon
    • Stylinodon mirus
  • Syntomostylus
    • Syntomostylus rudis

T

  • Restoration of the Paleocene multituberculate mammal Taeniolabis
    Taeniolabis
    • Taeniolabis taoensis
  • Talpavus
    • Talpavus duplus – type locality for species
    • Talpavus nitidus
  • Tapocyon
    • Tapocyon robustus
  • Taxidea
    • Taxidea taxus
  • Thisbemys
    • Thisbemys medius
    • Thisbemys uintensis – type locality for species
  • Thomomys
    • Thomomys talpoides
  • Tilgidopsis – type locality for genus
    • Tilgidopsis haesitans – type locality for species
  • Tinosaurus
    • Tinosaurus stenodon
  • Tricentes
    • Tricentes subtrigonus – type locality for species
  • Triplopus
    • Triplopus implicatus
    • Triplopus obliquidens
    • Triplopus rhinocerinus – type locality for species
  • Trogosus
  • Tylocephalonyx

U

  • Uintaceras
    • Uintaceras radinskyi – type locality for species
  • Uintacyon
    • Uintacyon acutus – type locality for species
  • Uintanius
    • Uintanius ameghini
  • Uintasorex
    • Uintasorex parvulus – or unidentified comparable form
  • Life restoration of the Eocene mammal Uintatherium
    Uintatherium
  • Utahia
    • Utahia kayi – type locality for species

V

  • Valenia
    • Valenia wilsoni
  • Viverravus
    • Viverravus gracilis
    • Viverravus minutus
    • Viverravus sicarius
  • Viviparus
  • Vulpes
    • A living Vulpes vulpes, or red fox
      Vulpes vulpes

X

  • Xestops
    • Xestops vagans
  • Xylotosyrphus – type locality for genus
    • Xylotosyrphus pulchrafenestra – type locality for species

Z

  • A living Zapus jumping mouse
    Zapus
  • Zionodon – type locality for genus
    • Zionodon satanus – type locality for species
    • Zionodon walshi – type locality for species
gollark: I have a very janky system where files are synced to my server, which then backs them up to a local hard disk with borg, and copies them to the cloud™ periodically.
gollark: The only ethical approach is to name models with UUIDs.
gollark: There's `Debug.Trace`.
gollark: Interesting.
gollark: Does anyone ever actually do this?

References

  1. Elizabeth J. Hermsen (2019). "Revisions to the fossil sporophyte record of Marsilea". Acta Palaeobotanica. 59 (1): 27–50. doi:10.2478/acpa-2019-0005.
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