List of the prehistoric life of Utah

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

Precambrian

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

Paleozoic

Main article: List of the Paleozoic life of Utah

Selected Paleozoic taxa of Utah

• † Acodus
• † Agnostus
• † Amphiscapha
• † Amplexus ^{[ clarification needed ]}
• † Annularia
  • † Annularia stellata
• † Anomalocaris
• † Anomphalus
• † Archimedes
  • † Archimedes macfarlani
• † Arcuolimbus
• † Arenicolites
• † Artisia

• 

  Fossil of the Cambrian trilobite Asaphiscus

  † Asaphiscus
  • † Asaphiscus wheeleri
• † Athyris
  • † Athyris lamellosa
• † Atrypa
  • † Atrypa parva – or unidentified comparable form
• † Atrypid
• † Aulopora – tentative report
• † Aviculopecten
  • † Aviculopecten girtyi
  • † Aviculopecten kaibabensis – or unidentified comparable form
• † Aysheaia
• † Bathyuriscus
• † Beckwithia
• † Benthamaspis
• † Beyrichoceras
• † Biscoia
• † Bolbocephalus
• † Bonneterrina
• † Bourbonnella
• † Bowmania

• 

  Life restoration of the mysterious Cambrian animal Branchiocaris

  † Branchiocaris
• † Brassicicephalus
• † Calamites
  • † Calamites cistii – or unidentified comparable form
  • † Calamites suckowii
• † Callipteris – tentative report
• † Callocladia
• † Camarotoechia
• † Campbelloceras – tentative report

• 

  Life restoration of the Cambrian arthropod Canadaspis (left)

  † Canadaspis
  • † Canadaspis perfecta – or unidentified comparable form
• † Canadia
• † Caninia
• † Cardiopteris
• † Carolinites
• † Cavusgnathus
• † Cedaria
• † Chancelloria
• † Chancia
• † Choia
• † Chondrites
• † Chonetes
• † Cladochonus
• † Cleiothyridina
• † Clonograptus
• † Coenites

• 

  Fossilized shell of the Late Devonian-Permian brachiopod Composita

  † Composita
  • † Composita mira
  • † Composita ovata
  • † Composita parasulcata
  • † Composita plana
  • † Composita subtilita
  • † Composita trinuclea
• † Coosella
• † Coosina
• † Cordaicarpus
• † Cordaites
  • † Cordaites principalis
• Crania
• † Cravenoceras
• † Crepicephalus
• † Cruziana
• † Ctenospondylus
• † Cybelopsis
• † Cyclopteris
• † Cystodictya
• † Deiracephalus
• Dentalium
• † Diadectes
• † Diagoniella
• † Dictyonema

• 

  Fossil of the Middle Ordovician graptolite Didymograptus

  † Didymograptus
  • † Didymograptus nitidus – or unidentified comparable form
• † Dimeropygiella
• † Diplorrhina
• † Donaldina
• † Dresbachia
• † Echinaria
• † Ectosteorhachis – or unidentified related form
• † Ehmaniella
• † Eldonia
• † Eleutherocentrus
• † Elrathia
• † Elrathina
• † Emeraldella
• † Endoceras

• 

  Life restoration of the Carboniferous-Permian amphibian Eryops

  † Eryops
• † Euptychaspis
• † Fenestella
• † Forteyops
• † Genevievella
• † Girvanella
• † Gnathodus
• † Gogia
• † Goniatites
• † Gunterichthys – type locality for genus
• † Hamptonia
• † Haplophrentis
• † Hazelia

• 

  Life restoration of the Permian Chimaera relative Helicoprion

  † Helicoprion
• † Hematites
• † Hemirhodon
• † Hindia ^{[ clarification needed ]}
• † Hintzeia
• † Homagnostus
• † Huronia
• † Hyolithellus
• † Hyolithes
• † Idiognathodus
• † Illaenus
• † Irvingella ^{[ clarification needed ]}
• † Jeffersonia
• † Kanoshia
• † Kawina
• † Kingstonia
• † Kirkella ^{[ clarification needed ]}
• † Komia ^{[ clarification needed ]}
• † Kootenia
• † Lachnostoma

• 

  Life restoration in multiple views of the Cambrian arthropod Leanchoilia

  † Leanchoilia
• † Lejopyge
• † Lepidodendron
  • † Lepidodendron aculeatum
  • † Lepidodendron obovatum
• † Lepidophyllum
• † Lepidostrobus
• † Leptomitus
• Lima ^{[ clarification needed ]}
• Limatula
• Lingula
• † Lingulella
• † Llanoaspis
• † Lochriea
• † Lonchocephalus
• † Lyracystis
• † Margaretia
  • † Margaretia dorus
• † Marpolia
• † Matthevia

• 

  Fossilized shell of the Carboniferous-Permian nautiloid cephalopod Metacoceras

  † Metacoceras
• † Meteoraspis
• † Micromitra
• Modiolus – report made of unidentified related form or using admittedly obsolete nomenclature
• † Mollisonia
• † Morania
• † Naraoia
• † Naticopsis
• † Neospirifer
  • † Neospirifer cameratus
  • † Neospirifer kansasensis
  • † Neospirifer triplicatus
• † Neuropteris
  • † Neuropteris gigantea
  • † Neuropteris heterophylla
• † Niobe ^{[ clarification needed ]} – tentative report
• † Nisusia
• † Norwoodia
• † Obolus ^{[ clarification needed ]}
• † Ogygopsis
• † Olenellus
• † Olenoides
  • † Olenoides nevadensis
  • † Olenoides serratus

• 

  Life restoration of the Carboniferous-Permian synapsid (mammal precursor) Ophiacodon

  † Ophiacodon
  • † Ophiacodon navajovicus
• † Orthis
• † Oryctocephalus
• † Ottoia
  • † Ottoia prolifica
• † Ozarkodina
• † Pagetia
• † Paladin
• Palaeoaplysina
• † Palaeoscolex
• † Pelagiella
• † Pentamerus
• † Peronopsis
  • † Peronopsis interstricta
• † Perspicaris
• † Phillipsia
• † Phyllograptus
• Pinna – report made of unidentified related form or using admittedly obsolete nomenclature
• † Platycrinites

• 

  Life restoration of the Carboniferous-Permian sail-backed amphibian Platyhystrix

  † Platyhystrix – or unidentified comparable form
  • † Platyhystrix rugosus
• † Prodentalium
• † Prohedinia
• † Protopliomerella
• † Protospongia
• † Ptychagnostus
  • † Ptychagnostus atavus
• † Pugnax ^{[ clarification needed ]}
• † Punka ^{[ clarification needed ]}
• † Quadratia
• † Rayonnoceras

• 

  Fossil of the Early Ordovician-Permian benthic alga Receptaculites

  † Receptaculites
• † Ribeiria
• † Rusophycus
• † Saukiella
• † Scenella
• † Schmalenseeia
• † Schwagerina
• † Scolicia
• † Selkirkia
  • † Selkirkia columbia – or unidentified comparable form
• † Sidneyia
• † Sigillaria
  • † Sigillaria brardii

• 

  Life restoration of the Carboniferous-Permian synapsid (mammal precursor) Sphenacodon

  Sphenacodon
• † Sphenophyllum
  • † Sphenophyllum angustifolium
  • † Sphenophyllum verticillatum
• † Sphenopteris
• † Spinofacia – type locality for genus
• † Spirifer
  • † Spirifer centronatus
  • † Spirifer opimus
• † Spiriferina
• Spirorbis
• † Stenorhachis – tentative report

• 

  Fossil preserved in situ of a Carboniferous tree-like club moss relative with attached Stigmaria rhizome system

  † Stigmaria
• † Syringopora
• † Teichichnus – tentative report
• † Terranovella
• † Tetragraptus
• † Thalassinoides – tentative report
• † Tricrepicephalus
• † Trigonocercella
• † Trinodus
• † Triplagnostus
• † Trocholites
• † Tseajaia
  • † Tseajaia campi – type locality for species
• † Tuzoia

• 

  Life restoration of the Carboniferous amphibian Utaherpeton

  † Utaherpeton – type locality for genus
• † Vauxia
• † Walcottoceras – tentative report
• † Waptia
  • † Waptia fieldensis – or unidentified comparable form
• † Weeksina
• † Wilkingia
• † Wiwaxia
  • † Wiwaxia corrugata
• † Worthenia
• † Xenacanthus – or unidentified related form
• † Yuknessia
• † Zacanthoides
• † Zittelloceras

Mesozoic

Main article: List of the Mesozoic life of Utah

Selected Mesozoic taxa of Utah

• † Abydosaurus – type locality for genus
  • † Abydosaurus mcintoshi – type locality for species
• † Acristavus
  • † Acristavus gagslarsoni
• † Adelolophus – type locality for genus
  • † Adelolophus hutchisoni – type locality for species
• † Adocus
• † Alamosaurus
  • † Alamosaurus sanjuanensis
• † Albanerpeton
  • † Albanerpeton cifellii – type locality for species
  • † Albanerpeton galaktion
  • † Albanerpeton gracilis
  • † Albanerpeton nexuosus
• † Allocrioceras

• 

  Life restoration of the Late Jurassic theropod dinosaur Allosaurus

  † Allosaurus
  • † Allosaurus fragilis
• † Alphadon
  • † Alphadon attaragos
  • † Alphadon eatoni – type locality for species
  • † Alphadon halleyi
  • † Alphadon marshi – or unidentified comparable form
  • † Alphadon sahnii
• † Amblotherium
• † Ameribaatar – type locality for genus
  • † Ameribaatar zofiae – type locality for species

• 

  A living Amia , or bowfin

  Amia
• † Anaflemingites
• † Anasibirites
  • † Anasibirites angulosus
  • † Anasibirites bastini
  • † Anasibirites hircinus
  • † Anasibirites kingianus
  • † Anasibirites mojsisovicsi
  • † Anasibirites multiformis
  • † Anasibirites tenuistriatus
• † Anchisauripus
• † Anemia

• 

  Mounted fossilized skeleton of the Cretaceous armored dinosaur Animantarx

  † Animantarx – type locality for genus
  • † Animantarx ramaljonesi – type locality for species
• Anomia
• † Anomoepus
• † Apatopus
• † Apatosaurus
  • † Apatosaurus louisae – type locality for species
• † Araeodon
• † Araucarioxylon
• † Arctoceras
• † Arctoprionites
• † Arvinachelys – type locality for genus
• † Aspenites
• Astarte
• Asteriacites
• † Astroconodon
  • † Astroconodon delicatus – type locality for species
• † Atreipus

• 

  Illustration of fossilized teeth from the Late Cretaceous tyrannosaur Aublysodon

  † Aublysodon – tentative report
• † Baena
• † Barosaurus
  • † Barosaurus lentus
• † Basilemys
• † Bernissartia
• † Brachauchenius
  • † Brachauchenius lucasi
• † Brachiosaurus
• † Brachyphyllum
• † Brontomerus – type locality for genus
  • † Brontomerus mcintoshi – type locality for species
• † Brontopodus

• 

  Life restoration of a herd of the Late Jurassic sauropod dinosaur Brontosaurus

  † Brontosaurus
  • † Brontosaurus parvus
• † Bryceomys
  • † Bryceomys fumosus – type locality for species
  • † Bryceomys hadrosus
  • † Bryceomys intermedius – type locality for species
• † Calycoceras
• † Camarasaurus – type locality for genus
  • † Camarasaurus lentus – type locality for species
• Campeloma
• † Camptosaurus
  • † Camptosaurus dispar
• † Carmelopodus – type locality for genus
• † Cassiope
• † Cedaromys
  • † Cedaromys bestia – type locality for species
  • † Cedaromys parvus – type locality for species
• † Cedarosaurus – type locality for genus
  • † Cedarosaurus weiskopfae – type locality for species
• † Cedarpelta – type locality for genus
  • † Cedarpelta bilbeyhallorum – type locality for species
• † Cedrorestes – type locality for genus
  • † Cedrorestes crichtoni – type locality for species
• † Ceratodus

• 

  Restoration of the Late Jurassic ceratosaur Ceratosaurus

  † Ceratosaurus
  • † Ceratosaurus nasicornis
• Cerithiopsis
• † Chamops
• † Chinlea – type locality for genus
• † Chirotherium
  • † Chirotherium rex – or unidentified comparable form
• Chlamys
• † Chondrites
• † Cimexomys
  • † Cimexomys antiquus – or unidentified comparable form
• † Cimolodon
  • † Cimolodon electus
  • † Cimolodon nitidus – or unidentified comparable form
  • † Cimolodon similis

• 

  Life restoration of the face of the Late Cretaceous multituberculate mammal Cimolomys

  † Cimolomys
  • † Cimolomys clarki
  • † Cimolomys milliensis – type locality for species
• Cladophlebis
  • † Cladophlebis constricta
  • † Cladophlebis parva
• † Claraia
• † Coelophysis – tentative report
• † Coelurus
  • † Coelurus fragilis
• † Compsemys
• † Coniophis

• 

  Shell of a Corbula basket clam

  Corbula
• † Cretorectolobus
• † Ctenacodon
• † Cteniogenys
• Cucullaea
• † Cycadeoidea
• Cylichna
• † Dakotamys
  • † Dakotamys malcolmi – type locality for species
• † Dakotasuchus
  • † Dakotasuchus kingi
• † Deinonychus
• † Denazinemys
  • † Denazinemys nodosa
• Dentalium

• 

  Restoration of the Late Cretaceous horned dinosaur Diabloceratops

  † Diabloceratops – type locality for genus
  • † Diabloceratops eatoni – type locality for species
• † Dinehichnus – type locality for genus
• † Dinochelys – type locality for genus
• † Diplodocus
  • † Diplodocus hallorum
  • † Diplodocus longus
• Discinisca – report made of unidentified related form or using admittedly obsolete nomenclature
• † Docodon

• 

  Restoration of the Late Triassic reptile Doswellia

  † Doswellia
• † Dryolestes
• † Dryosaurus
  • † Dryosaurus altus
• † Dystrophaeus – type locality for genus
  • † Dystrophaeus viaemalae – type locality for species
• Elliptio
• † Enchodus
• † Enneabatrachus
• † Entradasuchus – type locality for genus
  • † Entradasuchus spinosus – type locality for species
• † Eocephalites
• † Eodelphis

• 

  Illustration of a reconstructed skull and restorative portrait of the Late Cretaceous primitive duck-billed dinosaur Eolambia

  † Eolambia – type locality for genus
  • † Eolambia caroljonesa – type locality for species
• † Eopolycotylus – type locality for genus
  • † Eopolycotylus rankini – type locality for species
• † Equisetum
• † Eryma
• † Eucalyptus
• † Eunaticina
• † Euomphaloceras
• † Euspira
• † Euthlastus
• † Eutretauranosuchus
• † Exogyra
  • † Exogyra acroumbonata
  • † Exogyra levis
• † Fabrosaurus – tentative report

• 

  Fossilized skeleton of the Early Cretaceous therizinossaur Falcarius

  † Falcarius – type locality for genus
  • † Falcarius utahensis – type locality for species
• Ficus
• † Flemingites
• † Gastonia – type locality for genus
  • † Gastonia burgei – type locality for species
• † Geminiraptor
  • † Geminiraptor suarezarum
• † Germanonautilus – tentative report
• † Gervillaria

• 

  Fossilized shell of the Carboniferous-Eocene bivalve Gervillia

  † Gervillia
• Gleichenia
• † Glirodon – type locality for genus
  • † Glirodon grandis – type locality for species
• Globularia – tentative report
• † Glyptops
• † Gondolella
  • † Gondolella planata
• † Goniobasis – tentative report
• † Goniopholis
• † Grallator
• † Gryphaea

• 

  Mounted fossilized skeleton of the Late Cretaceous duck-billed dinosaur Gryposaurus

  † Gryposaurus
  • † Gryposaurus monumentensis – type locality for species
• † Hagryphus – type locality for genus
  • † Hagryphus giganteus – type locality for species
• † Hamulus – tentative report
• † Hausmania
• † Hedenstroemia
• † Hemicalypterus – type locality for genus
• † Hippodraco – type locality for genus
  • † Hippodraco scutodens – type locality for species
• † Hispanosauropus
• † Homalopoma
• † Hoplitosaurus – or unidentified comparable form
• † Hoplosuchus – type locality for genus
  • † Hoplosuchus kayi – type locality for species
• † Hybodus
• † Iguanacolossus – type locality for genus
  • † Iguanacolossus fortis – type locality for species
• † Iguanodon
  • † Iguanodon ottingeri – type locality for species
• Ilex
  • † Ilex serrata

• 

  Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size

  † Inoceramus
  • † Inoceramus albertensis – or unidentified comparable form
  • † Inoceramus flavus
  • † Inoceramus gilberti
  • † Inoceramus koeneni
  • † Inoceramus pictus
  • † Inoceramus tenuistriatus – tentative report
  • † Inoceramus undabundus
• † Inyoites
  • † Inyoites beaverensis – type locality for species
  • † Inyoites oweni
• † Iridotriton – type locality for genus
• † Ischyrhiza – or unidentified comparable form

• 

  Fossilized shell of the Permian-modern marine bivalve Isognomon

  Isognomon
• † Janumys – type locality for genus
  • † Janumys erebos – type locality for species
  • † Janumys erebros
• † Jugulator
  • † Jugulator amplissimus
• † Kallirhynchia
• † Kamerunoceras
• † Kayentapus
• † Koparion – type locality for genus
  • † Koparion douglassi – type locality for species

• 

  Life restoration of the Late Cretaceous horned dinosaur Kosmoceratops

  † Kosmoceratops – type locality for genus
  • † Kosmoceratops richardsoni – type locality for species
• † Kouphichnium
• † Leidyosuchus
• † Lepidotes
• Lepisosteus
• † Leptalestes
• Lima
• † Lissodus
• † Lonchidion
• Lopha
• Lucina

• 

  Life restoration of the Late Cretaceous tyrannosaur Lythronax

  † Lythronax – type locality for genus
  • † Lythronax argestes – type locality for species
• † Machairoceratops – type locality for genus
  • † Machairoceratops cronusi – type locality for species
• † Macroelongatoolithus
• Magnolia
• † Mammites
• † Marshosaurus – type locality for genus
  • † Marshosaurus bicentesimus – type locality for species
• † Martharaptor – type locality for genus
  • † Martharaptor greenriverensis – type locality for species
• † Meekoceras
  • † Meekoceras davisi
  • † Meekoceras gracilitatis
  • † Meekoceras millardense – type locality for species
  • † Meekoceras olivieri – type locality for species
• † Megalosauripus
• † Megasphaeroceras
• † Melvius
  • † Melvius chauliodous – or unidentified comparable form
• † Meniscoessus
  • † Meniscoessus intermedius
• † Mesodma
  • † Mesodma formosa – or unidentified comparable form
  • † Mesodma hensleighi – or unidentified comparable form
  • † Mesodma minor – or unidentified comparable form
  • † Mesodma thompsoni – or unidentified comparable form
• † Metoicoceras
  • † Metoicoceras geslinianum

• 

  Mounted fossilized skeletons of the Early Cretaceous long-necked dinosaur Moabosaurus

  † Moabosaurus – type locality for genus
• Modiolus
• † Monanthesia
• † Myledaphus
  • † Myledaphus bipartitus
• † Myophorella
  • † Myophorella livinigstonensis
  • † Myophorella monatanaensis
  • † Myophorella yellowstonensis
• † Myophoria
• † Mytilus
• † Naomichelys

• 

  Known material diagram of the Late Cretaceous horned dinosaur Nasutoceratops

  † Nasutoceratops – type locality for genus
  • † Nasutoceratops titusi – type locality for species
• † Naticopsis
  • † Naticopsis depressispira
  • † Naticopsis fenestravella – type locality for species
  • † Naticopsis utahensis – type locality for species
• † Nedcolbertia – type locality for genus
• † Neocardioceras
  • † Neocardioceras juddii
• † Nerinea – tentative report
• Neritina
• † Nezpercius
• † Normannites – tentative report

• 

  Mounted fossilized skeleton of the Late Cretaceous Nothronychus

  † Nothronychus
  • † Nothronychus graffami – type locality for species
• Nucula
• † Odaxosaurus
  • † Odaxosaurus piger – or unidentified comparable form
  • † Odaxosaurus priscus
  • † Odaxosaurus roosevelti – type locality for species
• † Opisthias
• † Ornithomimus
• Ostrea

• 

  Mounted fossilized skeleton of the Late Jurassic herbivorous dinosaur Othnielosaurus

  † Othnielosaurus
  • † Othnielosaurus consors
• † Otozoum
• † Ovaloolithus
  • † Ovaloolithus tenuisus – type locality for species
  • † Ovaloolithus utahensis – type locality for species
• † Owenites
  • † Owenites carpenteri
  • † Owenites koeneni
• † Pagiophyllum
• † Palmulasaurus – type locality for genus
  • † Palmulasaurus quadratus – type locality for species
• † Paracimexomys
  • † Paracimexomys judithae – or unidentified comparable form
  • † Paracimexomys magnus
  • † Paracimexomys perplexus – type locality for species
  • † Paracimexomys priscus – or unidentified comparable form
  • † Paracimexomys robisoni – type locality for species
• † Paramacellodus

• 

  Mounted fossilized skeleton of the Late Cretaceous duck-billed dinosaur Parasaurolophus

  † Parasaurolophus
  • † Parasaurolophus cyrtocristatus
• † Paronychodon – or unidentified comparable form
• † Parotosuchus
• † Peloroplites – type locality for genus
  • † Peloroplites cedrimontanus – type locality for species
• Pholadomya
  • † Pholadomya inaequiplicata
  • † Pholadomya kingi
• † Pinacosuchus – type locality for genus
  • † Pinacosuchus mantiensis – type locality for species
• Pinna
• † Pistia – report made of unidentified related form or using admittedly obsolete nomenclature

• 

  Fossilized shell of the Late Cretaceous ammonoid cephalopod Placenticeras

  † Placenticeras
  • † Placenticeras cumminsi
• † Plagiostoma
• † Planicoxa – type locality for genus
  • † Planicoxa venenica – type locality for species
• † Planolites
• † Pleuronautilus
• Pleurotomaria – tentative report
• Plicatula
• † Poposaurus
  • † Poposaurus gracilis
• † Preprismatoolithus
• † Priacodon
• † Prismatoolithus
  • † Prismatoolithus jenseni – type locality for species
• † Proplacenticeras
• † Protocardia
• † Pseudomelania
• † Pseudotetrasauropus
• † Pteraichnus
  • † Pteraichnus saltwashensis – or unidentified comparable form
  • † Pteraichnus stokesi – or unidentified comparable form
• Pycnodonte
  • † Pycnodonte newberryi

• 

  Fossilized skeleton of the Late Triassic phytosaur Redondasaurus

  † Redondasaurus
  • † Redondasaurus gregorii
• † Rhadinosteus – type locality for genus
  • † Rhadinosteus parvus – type locality for species
• † Rhynchonella – report made of unidentified related form or using admittedly obsolete nomenclature
• † Richardoestesia
  • † Richardoestesia isosceles – or unidentified comparable form
• Rogerella
• Salix
• † Sauropelta – or unidentified comparable form
• † Scalamagnus
  • † Scalamagnus tropicensis – type locality for species
• † Scapherpeton
• † Schillerosaurus – type locality for genus
• † Scotiophryne
• † Scoyenia

• 

  Known material diagram of the Early Jurassic primitive long-necked dinosaur Seitaad

  † Seitaad – type locality for genus
  • † Seitaad ruessi – type locality for species
• † Semionotus
  • † Semionotus kanabensis – type locality for species
• Serpula
• † Sexta
• † Siats – type locality for genus
  • † Siats meekerorum – type locality for species
• † Skolithos
• Solemya
• † Spheroolithus
• Spirorbis – report made of unidentified related form or using admittedly obsolete nomenclature
• † Squatirhina
  • † Squatirhina americana
• † Stagonolepis
• † Stegopodus – type locality for genus

• 

  Restoration of the Late Jurassic stegosaur Stegosaurus

  † Stegosaurus
  • † Stegosaurus stenops – or unidentified comparable form
  • † Stegosaurus ungulatus
• † Stephanoceras
• † Stokesosaurus – type locality for genus
  • † Stokesosaurus clevelandi – type locality for species
• † Talos – type locality for genus
  • † Talos sampsoni – type locality for species
• † Tanycolagreus
  • † Tanycolagreus topwilsoni
• † Tempskya
  • † Tempskya jonesii – type locality for species
  • † Tempskya knowltoni
  • † Tempskya minor
  • † Tempskya superba
  • † Tempskya whiteheadi – type locality for species
• † Tenontosaurus

• 

  Known material diagram of the Late Cretaceous tyrannosaur Teratophoneus

  † Teratophoneus – type locality for genus
  • † Teratophoneus curriei – type locality for species
• Teredolites
• † Tetrasauropus
• † Thalassinoides
• † Therangospodus – type locality for genus
• † Theretairus
• Thracia
• † Torvosaurus
• † Toxolophosaurus – or unidentified comparable form
• † Trachodon

• 

  Mounted fossilized skeleton of the Late Cretaceous horned dinosaur Triceratops

  † Triceratops
• † Triconolestes – type locality for genus
  • † Triconolestes curvicuspis – type locality for species
• † Trigonia
  • † Trigonia americana
  • † Trigonia elegantissima
  • † Trigonia montanaensis
• † Trinacromerum
  • † Trinacromerum bentonianum – tentative report
• † Trisauropodiscus
• Turritella
• † Tyrannosauripus – type locality for genus
• † Ussurites
  • † Ussurites hosei
• † Utahceratops – type locality for genus
  • † Utahceratops gettyi – type locality for species

• 

  Diagram illustrating the Early Cretaceous dromaeosaurid ("raptor") Utahraptor with an anachronistic human to scale

  † Utahraptor – type locality for genus
  • † Utahraptor ostrommaysi – type locality for species
• † Uteodon
  • † Uteodon aphanoecetes
• Valvata
• † Vancleavea
  • † Vancleavea campi
• † Venenosaurus – type locality for genus
  • † Venenosaurus dicrocei – type locality for species
• † Vex
• Viviparus
• † Worthenia
  • † Worthenia windowblindensis – type locality for species
• † Wyomingites
• † Xenoceltites
  • † Xenoceltites cordilleranus
  • † Xenoceltites subevolutus

• 

  Life restoration of the Early Cretaceous dromaeosaurid ("raptor") Yurgovuchia

  † Yurgovuchia – type locality for genus
  • † Yurgovuchia doellingi – type locality for species
• † Zamites
  • † Zamites powelli
  • † Zamites tidwellii – type locality for species

Cenozoic

Main article: List of the Cenozoic life of Utah

Selected Cenozoic taxa of Utah

• Abies
• † Acrocera
• † Agriochoerus
• Alligator

• 

  Fossilized skeleton of the Late Cretaceous-Oligocene Alligator relative Allognathosuchus

  † Allognathosuchus – or unidentified comparable form
• Amia
• Amyda
• † Anosteira
• Anthonomus
• Antilocapra
  • † Antilocapra americana – or unidentified comparable form
• Apalone

• 

  Restoration of an Arctodus , or short-faced bear, with a human to scale

  † Arctodus
  • † Arctodus simus
• † Artemisia
• † Baena
• † Basirepomys
• † Bembidium
• Bison
  • † Bison latifrons – tentative report
• † Bittacus
• † Bootherium
  • † Bootherium bombifrons
• † Boverisuchus
  • † Boverisuchus vorax – type locality for species
• † Brachyhyops
• Brachylagus
  • † Brachylagus idahoensis – or unidentified comparable form

• 

  Life restoration of the Pliocene-Holocene camel Camelops

  † Camelops
  • † Camelops hesternus – or unidentified comparable form
• Camponotus
• Canis
  • † Canis dirus – or unidentified comparable form
  • † Canis latrans – tentative report
  • † Canis lupus
• † Catopsalis
  • † Catopsalis fissidens
• † Champsosaurus
• Chara
• Cheilosia
• † Chipetaia
  • † Chipetaia lamporea – type locality for species
• † Chisternon
• † Chriacus
• † Colodon
• † Compsemys
• † Coniatus

• 

  Life restoration of the Paleocene-Eocene pantodont mammal Coryphodon . Heinrich Harder (1920).

  † Coryphodon
• Crocodylus
  • † Crocodylus acer – type locality for species
  • † Crocodylus affinis
• Culex
• † Cuterebra
• Dicranomyia
• † Dinohippus
• † Diplacodon
• † Diprionomys
• † Duchesnehippus
• † Duchesneodus
• † Echmatemys
• † Ectoconus
• † Elliptio

• 

  Life restoration of a pair of the Eocene uintathere mammal Eobasileus . Charles R. Knight (1890s).

  † Eobasileus
  • † Eobasileus cornutus
• † Eoconodon
• † Eonessa – type locality for genus
  • † Eonessa anaticula – type locality for species
• † Epicaerus
• † Epihippus
• † Epiphanis
• Equus
  • † Equus conversidens – tentative report
• Erethizon
  • † Erethizon dorsatum – tentative report
• † Eucastor

• 

  Fossil of the Eocene bee Euglossopteryx

  † Euglossopteryx – type locality for genus
  • † Euglossopteryx biesmeijeri – type locality for species
• Eutamias
  • † Eutamias minimus
• † Goniacodon
• † Hadrianus
• † Haplolambda – or unidentified comparable form
• † Harpagolestes
• † Helaletes
• † Helodermoides – tentative report
• † Herpetotherium
• † Heteraletes
• † Hoplochelys

• 

  Life restoration of the Eocene-Miocene creodont mammal Hyaenodon

  † Hyaenodon
  • † Hyaenodon vetus – or unidentified comparable form
• Hydrobia – or unidentified comparable form
• † Hylobius
• † Hyopsodus
• † Hypohippus
• † Hypolagus
• † Hyrachyus
• † Hyracodon
• † Hyracotherium
  • † Hyracotherium vasacciense
• † Kimbetohia
• Laccophilus
• † Lambdotherium
• Lemmiscus
  • † Lemmiscus curtatus
• Lepisosteus

• 

  Life restoration of the Eocene-Oligocene even-toed ungulate Leptomeryx

  † Leptomeryx
• † Leptoreodon
• † Leptotragulus
• Lepus
  • † Lepus townsendii – or unidentified comparable form
• † Limnocyon
  • † Limnocyon verus – or unidentified comparable form
• Lynx
  • † Lynx canadensis – or unidentified comparable form
• † 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
• † Megalonyx
  • † Megalonyx jeffersonii
• † Menops
• † Merriamoceros
• † Mesonyx
  • † Mesonyx obtusidens
• † Metaliomys – type locality for genus
• † Metarhinus
• † Metatelmatherium

• 

  Life restoration of the Paleocene-Eocene mammal Miacis

  † Miacis
• † Microsyops
• Microtus
  • † Microtus montanus
• † Miocyon
• Mustela
  • † Mustela richardsonii – tentative report
• † Nemotelus
• Neogale
  • † Neogale vison
• † Neoplagiaulax
  • † Neoplagiaulax macintyrei
• Neotamias
• Neotoma
• † Notharctus
  • † Notharctus tenebrosus – or unidentified comparable form
• Odocoileus
• Ondatra
• † Oodectes – tentative report
• Ophryastes
• † Oxyacodon

• 

  Fossilized skeleton of the Pliocene-Pleistocene ground sloth Paramylodon

  † Paramylodon
  • † Paramylodon harlani – or unidentified comparable form
• † Paramys
• † Parectypodus
• † Paronychomys
• † Peratherium
• Peromyscus
  • † Peromyscus maniculatus
• Phenacomys
  • † Phenacomys intermedius
• Phyllobius
• † Phyllophaga
• Physa
• Picea
• Pinus
• † Plastomenoides
• Plecia
• † Poabromylus
• † Poebrodon
• † Polemonium – or unidentified comparable form

• 

  Life restoration of the Paleocene-Eocene waterfowl Presbyornis

  † Presbyornis – type locality for genus
• † Procaimanoidea – type locality for genus
  • † Procaimanoidea utahensis – type locality for species
• † Procas
• † Procynodictis
• † Prodaphaenus
• † Protitanotherium
• † Protylopus
• † Proviverra
• † Ptilodus
  • † Ptilodus mediaevus
  • † Ptilodus tsosiensis – or unidentified comparable form
• Rhinoclemmys – report made of unidentified related form or using admittedly obsolete nomenclature
• † Saniwa
  • † Saniwa ensidens
• † Sargus
• † Sinopa
• † 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
• † Sthenodectes
• † Stygimys
  • † Stygimys kuszmauli
• † Stylemys

• 

  Life restoration of the Eocene taeniodont mammal Stylinodon mirus

  † Stylinodon
• † Taeniolabis
  • † Taeniolabis taoensis
• † Tapocyon
• Taxidea
  • † Taxidea taxus
• Thomomys
  • † Thomomys talpoides
• † Trogosus
• † Tylocephalonyx
• † Uintacyon

• 

  Life restoration of the Eocene mammal Uintatherium

  † Uintatherium
• † Valenia
• † Viverravus
• Viviparus
• Vulpes
  • † Vulpes vulpes
• Zapus

References

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