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
  • †Aenocyon
  • †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
  • Anthonomus
    • †Anthonomus soporus
  • †Antiacodon
    • †Antiacodon pygmaeus
  • Antilocapra
  • 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
  • †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

C

  • Life restoration of the Pliocene-Holocene camel Camelops
    †Camelops
  • Camponotus
    • †Camponotus vetus – type locality for species
  • Canis
  • †Capricamelus
  • †Carabites
    • †Carabites eocenicus – type locality for species
    • †Carabites exanimus – type locality for species
  • †Catopsalis
  • †Cedrelospermum
    • †Cedrelospermum nervosum
  • †Centetodon
    • †Centetodon bembicophagus
    • †Centetodon pulcher
  • Life restoration of the Late Cretaceous-Eocene choristoderan reptile Champsosaurus
    †Champsosaurus
  • Chara
  • Cheilosia
    • †Cheilosia scudderi
  • †Chipetaia
  • †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
  • †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
  • †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
  • †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
  • †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
  • †Eucastor
    • †Eucastor tortus – or unidentified comparable form
  • Fossil of the Eocene bee Euglossopteryx
    †Euglossopteryx – type locality for genus
  • Eutamias

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
  • 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
  • †Hyracodon
    • †Hyracodon medius
  • †Hyracotherium

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
  • 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
  • †Limalophus
    • †Limalophus compositus
    • †Limalophus receptus – type locality for species
  • Top view of a fossilized skull of the Eocene creodont mammal Limnocyon
    †Limnocyon
  • †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

M

  • †Macrotarsius
    • †Macrotarsius jepseni – type locality for species
  • †Mammut
  • †Mammuthus
  • Marsilea[1]
    • †Marsilea sprungerorum[1]
  • †Megalamynodon
    • †Megalamynodon regalis – type locality for species
  • †Megalonyx
  • †Menops
    • †Menops marshi
  • †Merriamoceros
  • †Mesomeryx – type locality for genus
    • †Mesomeryx grangeri – type locality for species
  • Life restoration of the Eocene mammal Mesonyx
    †Mesonyx
  • †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
  • Mictomys
  • †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
  • †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

A living Neogale vison, or American mink

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
  • †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
  • †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
  • †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
  • Protylopus petersoni skull
    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
  • †Proviverroides
  • †Proxestops – or unidentified comparable form
    • †Proxestops silberlingii
  • †Pseudodiplacodon
  • †Pseudosalix – type locality for genus
  • †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

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

T

U

V

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

References

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