AI tools
Loading AI tools

This list of the Mesozoic 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 252.17 and 66 million years of age.

A

B

C

  • †Callialasporites
    • †Callialasporites segmentatus
    • †Callialasporites turbatus
  • Callistina
    • †Callistina alta – or unidentified related form
  • †Calycoceras
    • †Calycoceras naviculare
  • Thumb
    Life restoration of a herd of the Late Jurassic sauropod dinosaur Camarasaurus
    †Camarasaurus – type locality for genus
  • Campeloma
  • †Camptonectes
    • †Camptonectes platessiformis
    • †Camptonectes stygius
  • †Camptosaurus
  • †Cantioscyllium – or unidentified comparable form
  • †Carmelopodus – type locality for genus
    • †Carmelopodus untermannorum – type locality for species
  • †Carycorbula
    • †Carycorbula nematophora
  • †Cassiope
    • †Cassiope utahensis
  • †Cedaromys
    • †Cedaromys bestia – type locality for species
    • †Cedaromys hutchisoni – or unidentified comparable form
    • †Cedaromys minimus – type locality for species
    • †Cedaromys parvus – type locality for species
  • †Cedarosaurus – type locality for genus
  • †Cedarpelta – type locality for genus
  • †Cedrorestes – type locality for genus
  • †Cedroxylon
  • †Ceratodus
  • Thumb
    Restoration of the Late Jurassic ceratosaur Ceratosaurus
    †Ceratosaurus
  • †Cercomya
    • †Cercomya punctata
  • †Cerebropollenites
    • †Cerebropollenites macroverruesus
  • Cerithiopsis
  • †Chamops
    • †Chamops segnis
  • †Characichnos
  • †Chartronella
    • †Chartronella pagina – type locality for species
    • †Chartronella unicostata – type locality for species
  • Thumb
    Restoration of the Late Triassic coelacanth fish Chinlea
    †Chinlea – type locality for genus
    • †Chinlea sorenseni – type locality for species
  • †Chirotherium
  • Chlamys
  • †Chondrites
  • †Churkites
    • †Churkites noblei
  • †Cimexomys
    • †Cimexomys antiquus – or unidentified comparable form
    • †Cimexomys gregoryi – type locality for species
  • †Cimolodon
  • Thumb
    Life restoration of the face of the Late Cretaceous multituberculate mammal Cimolomys
    †Cimolomys
  • †Cionichthys – type locality for genus
    • †Cionichthys dunklei – type locality for species
  • Cladophlebis
  • †Claraia
  • †Cnodontosaurus – type locality for genus
    • †Cnodontosaurus suchockii – type locality for species
  • †Coelophysis – tentative report
  • †Coelostylina
    • †Coelostylina angulifera – or unidentified comparable form
    • †Coelostylina costata – type locality for species
    • †Coelostylina virginensis – type locality for species
  • Thumb
    Life restoration of the Late Jurassic primmitive tyrannosaur Coelurus
    †Coelurus
  • †Compsemys
  • †Confusionella
    • †Confusionella loczyi
  • †Coniophis
  • †Coniopteris
    • †Coniopteris hymenophylloides
  • †Contogenys
    • †Contogenys sloani – or unidentified comparable form
  • Corbula
  • †Cordillerites
    • †Cordillerites compressus
  • †Corviconodon
    • †Corviconodon utahensis – type locality for species
  • Cossmannea
    • †Cossmannea imayi
    • †Cossmannea imlayi
    • †Cossmannea kanabensis
  • †Costatoria
  • †Cowboyiceras – type locality for genus
    • †Cowboyiceras farwestense – type locality for species
  • †Cretorectolobus
  • †Crittendenia
  • †Ctenacodon
  • †Cteniogenys
  • †Ctenostreon
    • †Ctenostreon gikshanensis – or unidentified comparable form
  • Cucullaea
    • †Cucullaea haguei
  • †Culicolestes – type locality for genus
    • †Culicolestes kielanae – type locality for species
  • Thumb
    Fossil of the Jurassic-Cretaceous cycad relative Cycadeoidea
    †Cycadeoidea
    • †Cycadeoidea cleavelandii
    • †Cycadeoidea medullara
  • Cylichna
  • †Cylindrobullina
    • †Cylindrobullina convexa – type locality for species
  • †Cymbophora
  • †Cynepteris
    • †Cynepteris lasiophora
  • †Cypellospongia – type locality for genus
    • †Cypellospongia fimbriartis – type locality for species
  • †Czekanowskia
    • †Czekanowskia turneri – type locality for species

D

  • †Dakotadens – type locality for genus
    • †Dakotadens morrowi – type locality for species
    • †Dakotadens pertritus – type locality for species
  • †Dakotamys
  • †Dakotaseps – type locality for genus
    • †Dakotaseps gillettorum – type locality for species
  • †Dakotasuchus
  • †Deinonychus
  • †Denazinemys
  • Dentalium
    • †Dentalium sublineatum – or unidentified related form
  • Thumb
    Restoration of the Late Cretaceous horned dinosaur Diabloceratops
    †Diabloceratops – type locality for genus
  • †Dicothodon – type locality for genus
    • †Dicothodon cifelli
    • †Dicothodon cifellii – type locality for species
    • †Dicothodon moorensis – type locality for species
  • †Dieneroceras
    • †Dieneroceras dieneri
  • †Dimekodontosaurus – type locality for genus
    • †Dimekodontosaurus madseni – type locality for species
  • †Dinehichnus – type locality for genus
    • †Dinehichnus socialis – type locality for species
  • †Dinochelys – type locality for genus
  • †Dinophyton
    • †Dinophyton spinosus
  • †Dinosauropodes – type locality for genus
    • †Dinosauropodes bransfordii
    • †Dinosauropodes magrawii – type locality for species
    • †Dinosauropodes osborni
    • †Dinosauropodes wilsoni
  • †Diplochilus – tentative report
  • Thumb
    Life restoration of the Late Jurassic long-necked dinosaur Diplodocus
    †Diplodocus
  • Discinisca – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Docodon
  • †Doswellia
  • †Drepanocheilus
    • †Drepanocheilus ruidium
  • †Dryolestes
  • †Dryosaurus
  • †Dystrophaeus – type locality for genus

E

F

G

H

  • Thumb
    Life restoration of the Late Cretaceous oviraptorosaur Hagryphus
    †Hagryphus – type locality for genus
  • †Hamulus – tentative report
    • †Hamulus subquadratus
  • †Hanielites
  • †Harmodontosaurus – type locality for genus
    • †Harmodontosaurus emeryensis – type locality for species
  • †Hausmania
    • †Hausmania rigida
  • †Hedenstroemia
    • †Hedenstroemia kossmati
  • Hemiaster
    • †Hemiaster humphreysanus
  • †Hemicalypterus – type locality for genus
    • †Hemicalypterus weiri – type locality for species
  • †Heminajas – tentative report
    • †Heminajas balatonis – or unidentified comparable form
  • †Hemiprionites
    • †Hemiprionites typus
  • Thumb
    Life restoration of the Early Cretaceous Iguanodon relative Hippodraco
    †Hippodraco – type locality for genus
  • †Hispanosauropus
  • †Hoernesia
  • †Holocrinus
    • †Holocrinus dubius – tentative report
    • †Holocrinus smithi
  • †Homalopoma
    • †Homalopoma sinbadensis – type locality for species
  • †Homomya
  • †Hoplitosaurus – or unidentified comparable form
  • †Hoplosuchus – type locality for genus
  • Thumb
    Restoration of two of the Permian-Late Cretaceous cartilaginous fish Hybodus
    †Hybodus
  • †Hyporosopora
    • †Hyporosopora nielsoni – type locality for species

I

J

K

  • Thumb
    Fossilized shells of the Jurassic brachiopod Kallirhynchia
    †Kallirhynchia
    • †Kallirhynchia myrina – type locality for species
  • †Kamerunoceras
  • †Kashmirites
    • †Kashmirites confusionensis
    • †Kashmirites meeki
    • †Kashmirites nivalis
    • †Kashmirites perrini
    • †Kashmirites seerleyi
    • †Kashmirites stepheni – type locality for species
    • †Kashmirites subarmatus
    • †Kashmirites utahensis – type locality for species
  • †Kayentapus
  • †Kokopellia – type locality for genus
    • †Kokopellia juddi – type locality for species
  • †Koparion – type locality for genus
  • †Koreanaornis
    • †Koreanaornis hamanensis – or unidentified comparable form
  • Thumb
    Life restoration of the Late Cretaceous horned dinosaur Kosmoceratops
    †Kosmoceratops – type locality for genus
  • †Kouphichnium

L

  • †Ladinaticella
    • †Ladinaticella striatocostata
  • †Lanceolites
    • †Lanceolites bicarinatus
    • †Lanceolites compactus
  • †Lasalichthys – type locality for genus
    • †Lasalichthys hillsi – type locality for species
  • †Latochara
    • †Latochara latitruncata
  • †Laubopsis – tentative report
  • †Legumen
  • Thumb
    Fossilized skull of the Late Cretaceous alligator relative Leidyosuchus
    †Leidyosuchus
  • †Lenticidaris – type locality for genus
    • †Lenticidaris utahensis – type locality for species
  • †Lepidotes
    • †Lepidotes walcotti – type locality for species
  • Lepisosteus
  • †Leptalestes
  • †Leptochamops
    • †Leptochamops denticulatus
  • †Leptochondria
    • †Leptochondria curtocardinalis
    • †Leptochondria nuetzeli – type locality for species
    • †Leptochondria occidanea – type locality for species
    • †Leptochondria xijinwulanensis
  • Lima
  • †Lingularia
    • †Lingularia borealis
  • †Liopistha
    • †Liopistha meeki
  • †Liostrea
    • †Liostrea strigilecula
  • †Liriophyllum
    • †Liriophyllum UD012 – informal
  • †Lissodus
  • †Litakis
    • †Litakis gilmorei
  • †Lonchidion
  • Lopha
    • †Lopha engelmanni – or unidentified related form
  • Lucina
  • †Lyosoma
    • †Lyosoma enoda
    • †Lyosoma powelli
  • Thumb
    Life restoration of the Late Cretaceous tyrannosaur Lythronax
    †Lythronax – type locality for genus

M

N

  • †Naomichelys
  • Thumb
    Known material diagram of the Late Cretaceous horned dinosaur Nasutoceratops
    †Nasutoceratops – type locality for genus
  • †Naticopsis
  • †Natiria
    • †Natiria aequicostata – type locality for species
    • †Natiria costata – or unidentified comparable form
  • †Nedcolbertia – type locality for genus
    • †Nedcolbertia justinhoffmanni – type locality for species
  • †Nemodon
  • †Neocardioceras
  • †Neocrioceras
  • †Neoschizodus
    • †Neoschizodus laevigatus
    • †Neoschizodus orbicularis – or unidentified comparable form
    • †Neoschizodus praeorbicularis
    • †Neoschizodus thaynesianus – type locality for species
  • †Neridomus – tentative report
  • Thumb
    Fossilized shell of the Jurassic-Cretaceous sea snail Nerinea
    †Nerinea – tentative report
  • †Neritaria
    • †Neritaria costata – type locality for species
  • Neritina
    • †Neritina phaseolaris
  • †Neurankylus
  • †Nezpercius
    • †Nezpercius dodsoni
  • †Nilsonia
    • †Nilsonia lewisii – type locality for species
  • †Nilssoniopteris
  • †Nododelphinula – tentative report
  • †Normannites – tentative report
    • †Normannites crickmayi – or unidentified related form
  • Thumb
    Mounted fossilized skeleton of the Late Cretaceous Nothronychus
    †Nothronychus
  • Nucula
  • Nuculana
    • †Nuculana mutuata – or unidentified comparable form
  • †Nymphalucina
    • †Nymphalucina linearia – or unidentified related form

O

P

  • †Pachyomphalus
    • †Pachyomphalus americanus – type locality for species
  • Thumb
    Fossilized foliage of the Carboniferous-Late Cretaceous plant Pagiophyllum
    †Pagiophyllum
  • †Paiutemys – type locality for genus
    • †Paiutemys tibert – type locality for species
  • †Palaeophycus – or unidentified comparable form
  • †Palaeopiceoxylon
    • †Palaeopiceoxylon thinosu
    • †Palaeopiceoxylon thinosus
  • †Palaeoscincosaurus
    • †Palaeoscincosaurus pharkidodon – type locality for species
  • †Paleoaster
    • †Paleoaster inquirenda
  • †Palmulasaurus – type locality for genus
  • †Parachondroceras
    • †Parachondroceras andrewsi
    • †Parachondroceras filicostatum – or unidentified comparable form
  • †Paracimexomys
  • †Paraglyphanodon – type locality for genus
    • †Paraglyphanodon gazini – type locality for species
    • †Paraglyphanodon utahensis – type locality for species
  • †Parallelodon – tentative report
    • †Parallelodon beyrichii – or unidentified related form
  • †Paramacellodus
    • †Paramacellodus oweni – or unidentified comparable form
  • †Paranyctoides
  • †Paraphyllanthoxylon
    • †Paraphyllanthoxylon utahense
  • †Parasaniwa
    • †Parasaniwa cynochoros – type locality for species
    • †Parasaniwa wyomingensis – or unidentified comparable form
  • Thumb
    Life restoration of the Late Cretaceous duck-billed dinosaur Parasaurolophus being preyed upon by the tyrannosaur Teratophoneus
    †Parasaurolophus
  • †Pariadens
    • †Pariadens kirklandi – type locality for species
    • †Pariadens mckennai – type locality for species
  • †Parmicorbula
  • †Paronychodon – or unidentified comparable form
  • †Parotosuchus
    • †Parotosuchus nov. spec. – informal
  • †Parussuria
    • †Parussuria compressa
  • †Patulopora
    • †Patulopora cutleri
  • †Paullia
  • †Pediomys – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Pegmavalvula
    • †Pegmavalvula triassica
  • †Pelecypodichnus
  • †Peloroplites – type locality for genus
  • †Peneteius – type locality for genus
    • †Peneteius saueri – type locality for species
  • †Pentasauropus
  • †Periallus
    • †Periallus woodsidensis
  • †Perissoptera
  • †Permophorus
    • †Permophorus bregeri – or unidentified comparable form
    • †Permophorus triassicus
  • †Pernopecten
  • †Phelopteria
    • †Phelopteria minuta – or unidentified comparable form
  • †Phlebopteris
  • Thumb
    Fossilized shell of the Early Triassic-Pliocene marine bivalve Pholadomya
    Pholadomya
  • †Piarorhynchella
    • †Piarorhynchella triassica
    • †Piarorhynchella triassicus
  • †Picopsis
  • †Pinacosuchus – type locality for genus
  • Pinna
    • †Pinna kingi
  • †Pistia – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Pistia corrugata
  • †Pityoxylon
  • Thumb
    Fossilized shell of the Late Cretaceous ammonoid cephalopod Placenticeras
    †Placenticeras
  • Placopsilina
  • †Plagioglypta
  • †Plagiostoma
    • †Plagiostoma occidentalis
    • †Plagiostoma ziona
  • †Planicoxa – type locality for genus
  • †Planolites
  • †Plataninium
  • †Plesiopinna
  • †Pleuromya
    • †Pleuromya musculoides – or unidentified comparable form
    • †Pleuromya prima – type locality for species
    • †Pleuromya subcompressa
  • †Pleuronautilus
  • †Pleuronectites
  • Pleurotomaria – tentative report
  • Plicatula
    • †Plicatula ferryi – or unidentified comparable form
  • †Podozamites
  • †Polyacrodus – tentative report
  • †Polyglyphanodon – type locality for genus
    • †Polyglyphanodon sternbergi – type locality for species
  • †Polygyrina
  • Thumb
    Restoration of the Late Triassic crocodile relative Poposaurus with an anachronistic human to scale
    †Poposaurus
  • †Preflorianites
    • †Preflorianites toulai
  • †Preprismatoolithus
    • †Preprismatoolithus coloradensis
  • †Priacodon
  • †Primaderma – type locality for genus
    • †Primaderma nessovi – type locality for species
  • †Prismatoolithus
  • †Procerithium – tentative report
  • †Promathildia
    • †Promathildia spirocostata – type locality for species
  • †Promyalina
    • †Promyalina putiatinensis
    • †Promyalina spathi
  • †Promysidiella
  • †Pronoella
    • †Pronoella cinnabarensis – or unidentified comparable form
    • †Pronoella uintahensis
  • †Proplacenticeras
    • †Proplacenticeras stantoni
  • †Prorokia
    • †Prorokia fontenellensis
  • †Protalphadon
  • †Protocardia
  • †Protogusarella
    • †Protogusarella smithi
  • †Protolambda
  • †Protopis
    • †Protopis waageni – or unidentified related form
  • †Protovirgularia
  • †Psalandon – tentative report
  • †Pseudaspidoceras
  • †Pseudocalycoceras
  • †Pseudocorbula
  • †Pseudohypolophus
  • Thumb
    Fossilized shell of a Pseudomelania sea snail
    †Pseudomelania
  • †Pseudomyoconcha – tentative report
  • †Pseudoptera
  • †Pseudosageceras
    • †Pseudosageceras multilobatum
  • †Pseudosaurillus – or unidentified comparable form
  • †Pseudotetrasauropus
  • †Pseudotritonium
    • †Pseudotritonium sciaphosterum – type locality for species
  • †Psilomya
    • †Psilomya concentrica – or unidentified related form
    • †Psilomya elongata – or unidentified related form
  • †Pteraichnus
  • †Ptychotrigon
  • Thumb
    Assemblage of fossilized shells of the Cretaceous-Pleistocene oyster Pycnodonte
    Pycnodonte

Q

  • †Quenstedtia
    • †Quenstedtia bathonica – or unidentified related form

R

S

  • †Sabalites
    • †Sabalites NE008 – informal
  • Salix
    • †Salix newberryana
  • Thumb
    Life restoration of the Early Cretaceous armored dinosaurs Sauropelta
    †Sauropelta – or unidentified comparable form
  • †Scalamagnus
  • †Scapherpeton
  • †Schillerosaurus – type locality for genus
    • †Schillerosaurus utahensis – type locality for species
  • †Sciponoceras
    • †Sciponoceras gracile
  • †Scotiophryne
    • †Scotiophryne pustulosa
  • †Scoyenia
  • Thumb
    Known material diagram of the Early Jurassic primitive long-necked dinosaur Seitaad
    †Seitaad – type locality for genus
  • †Sementiconcha – type locality for genus
    • †Sementiconcha recuperator – type locality for species
  • †Semionotus
  • Serpula
    • †Serpula intrica
    • †Serpula large
  • †Sexta
    • †Sexta navicula – or unidentified related form
  • Thumb
    Life restoration of the Late Cretaceous theropod dinosaur Siats
    †Siats – type locality for genus
  • †Simplicidium
  • †Sinbadelphys
    • †Sinbadelphys schmidti
  • †Sinbadiella – type locality for genus
    • †Sinbadiella pygmaea – type locality for species
  • †Skolithos
  • †Sohlites
    • †Sohlites spinosus
  • Solemya
    • †Solemya obscura
  • †Soleniscus
  • †Spalacolestes
    • †Spalacolestes cretulablatta
    • †Spalacolestes inconcinnus – type locality for species
  • †Spalacotheridium – type locality for genus
    • †Spalacotheridium mckennai – type locality for species
    • †Spalacotheridium noblei
  • Thumb
    Fossils of the dinosaur egg oogenus Spheroolithus
    †Spheroolithus
  • †Spheruprismatoolithus – type locality for genus
    • †Spheruprismatoolithus condensis
    • †Spheruprismatoolithus condensus – type locality for species
  • Spirorbis – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Spirorbis valvata – or unidentified comparable form
  • †Spongioolithus – type locality for genus
    • †Spongioolithus hirschi – type locality for species
  • †Squatirhina
  • †Stagonolepis
  • †Stegopodus – type locality for genus
    • †Stegopodus czerkasi – type locality for species
  • Thumb
    Restoration of the Late Jurassic stegosaur Stegosaurus
    †Stegosaurus
  • †Stellatochara
    • †Stellatochara obovata
  • †Stemmatoceras
    • †Stemmatoceras albertense – or unidentified related form
    • †Stemmatoceras arcicostum
  • †Stephanoceras
    • †Stephanoceras nodosum – or unidentified related form
  • Thumb
    Life restoration of the primitive tyrannosaur Stokesosaurus
    †Stokesosaurus – type locality for genus
  • Stomatopora
  • †Stomohamites
  • †Strobeus
    • †Strobeus batteni
  • †Submeekoceras
    • †Submeekoceras mushbachanum
  • †Symmetrocapulus – tentative report
    • †Symmetrocapulus corrugatus
  • †Symmetrodontoides
    • †Symmetrodontoides foxi – type locality for species
    • †Symmetrodontoides oligodontos – type locality for species
  • †Syncyclonema
  • †Synorichthys
    • †Synorichthys stewarti

T

U

  • †Undichnia
  • †Unicardium
  • †Unionites
    • †Unionites borealis – or unidentified comparable form
    • †Unionites fassaensis
  • †Ussurites
  • †Utahceratops – type locality for genus
  • †Utahgenys – type locality for genus
    • †Utahgenys antongai – type locality for species
    • †Utahgenys evansi – type locality for species
  • Thumb
    Diagram illustrating the Early Cretaceous dromaeosaurid ("raptor") Utahraptor with an anachronistic human to scale
    †Utahraptor – type locality for genus
  • †Uteodon

V

  • Valvata
  • Thumb
    Life restoration of the Late Triassic reptile Vancleavea
    †Vancleavea
  • †Varalphadon – type locality for genus
    • †Varalphadon crebreforme – type locality for species
    • †Varalphadon wahweapensis – type locality for species
  • †Vaugonia
    • †Vaugonia conradi
    • †Vaugonia utahensis
  • †Venenosaurus – type locality for genus
  • †Vercherites
    • †Vercherites undulatus – type locality for species
  • †Vex
  • Thumb
    Shell of a Viviparus freshwater snail
    Viviparus

W

  • †Wailiceras
    • †Wailiceras aemulus – or unidentified comparable form
  • †Wasatchites
    • †Wasatchites perrini
  • †Webbsaurus – type locality for genus
    • †Webbsaurus lofgreni – type locality for species
  • †Worthenia
  • †Wortheniella
    • †Wortheniella canalifera – or unidentified comparable form
  • †Worthoceras
  • †Wyomingites
    • †Wyomingites aplanatus – or unidentified comparable form

X

Y

Z

  • Thumb
    Fossil of the Early Triassic-Eocene cycad-like frond Zamites
    †Zamites
  • †Zygiocuspis – type locality for genus
    • †Zygiocuspis goldingi – type locality for species
  • †Zygopleura
    • †Zygopleura haasi – type locality for species

References

Wikiwand in your browser!

Seamless Wikipedia browsing. On steroids.

Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.

Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.

Chrome
Wikiwand for Chrome
Edge
Wikiwand for Edge
Firefox
Wikiwand for Firefox