List of the Mesozoic life of Utah

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

D

E

F

G

H

  • 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
  • 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
  • Hybodus
  • Hyporosopora
    • Hyporosopora nielsoni – type locality for species

I

J

K

  • 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
  • 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
  • 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
  • Lonchidion
  • Lopha
    • Lopha engelmanni – or unidentified related form
  • Lucina
  • Lyosoma
    • Lyosoma enoda
    • Lyosoma powelli
  • Lythronax – type locality for genus

M

N

  • Naomichelys
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Pycnodonte

Q

  • Quenstedtia
    • Quenstedtia bathonica – or unidentified related form

R

S

  • Sabalites
    • Sabalites NE008 – informal
  • Salix
    • Salix newberryana
  • 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
  • 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
  • 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
  • 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
  • Stegosaurus
  • Stellatochara
    • Stellatochara obovata
  • Stemmatoceras
    • Stemmatoceras albertense – or unidentified related form
    • Stemmatoceras arcicostum
  • Stephanoceras
    • Stephanoceras nodosum – or unidentified related form
  • 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

V

  • Valvata
  • 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
  • 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

References

  1. ^ Lindsay E. Zanno; Ryan T. Tucker; Aurore Canoville; Haviv M. Avrahami; Terry A. Gates; Peter J. Makovicky (2019). "Diminutive fleet-footed tyrannosauroid narrows the 70-million-year gap in the North American fossil record". Communications Biology. 2 64. doi:10.1038/s42003-019-0308-7. PMC 6385174. PMID 30820466.
  2. ^ Lindsay E. Zanno; Ryan T. Tucker; Aurore Canoville; Haviv M. Avrahami; Terry A. Gates; Peter J. Makovicky (2019). "Diminutive fleet-footed tyrannosauroid narrows the 70-million-year gap in the North American fossil record". Communications Biology. 2 64. doi:10.1038/s42003-019-0308-7. PMC 6385174. PMID 30820466.