List of the Mesozoic life of Idaho

This list of the Mesozoic life of Idaho contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Idaho and are between 252.17 and 66 million years of age.

A
  • † Albanites [1]
    • † Albanites americanus – type locality for species[1]
    • †Albanites sheldoni
  • †Ampezzopleura – tentative report
    • †Ampezzopleura tenuis – or unidentified comparable form
  • †Amphitomaria – tentative report
    • †Amphitomaria obscurecostata – type locality for species
  • †Anaflemingites
    • †Anaflemingites russelli – type locality for species
  • †Anasibirites
    • †Anasibirites desertorum
    • †Anasibirites lindgreni
  • †Andangularia
    • †Andangularia babylona – type locality for species
    • †Andangularia occidentalis – type locality for species
  • †Anemia
    • †Anemia fremonti
  • †Angularia
    • †Angularia rectecostata – type locality for species
  • †Anthostylis
    • †Anthostylis acanthophora
  • Life restoration of two species of the Late Triassic ammonoid cephalopod Arcestes
    †Arcestes – tentative report
  • †Arctomeekoceras
    • †Arctomeekoceras popovi – type locality for species
    • †Arctomeekoceras tardum – type locality for species
  • †Aspenites
    • †Aspenites acutus
  • †Aspiduriella – tentative report
    • †Aspiduriella idahoensis – type locality for species
  • Astarte
    • †Astarte meeki
  • †Astraeomorpha
    • †Astraeomorpha crassisepta
  • †Astrocoenia
    • †Astrocoenia idahoensis – type locality for species
  • †Austrotindaria
    • †Austrotindaria canalensis
    • †Austrotindaria svalbardensis
  • Mold fossil of a shell of the Early Devonian-Late Triassic bivalve Aviculopecten
    †Aviculopecten – report made of unidentified related form or using admittedly obsolete nomenclature

B
  • †Bajarunia
    • †Bajarunia jacksoni
    • †Bajarunia pilata – type locality for species
    • †Bajarunia pilatum
  • †Bakevellia
  • †Bakevillia
  • †Blodgettella
    • †Blodgettella enormecostata – type locality for species
  • †Borestus – tentative report
  • †Brochidiella – type locality for genus
    • †Brochidiella idahoensis – type locality for species

C
  • †Camptonectes
    • †Camptonectes platessiformis
  • † Caribouceras – type locality for genus[1]
    • † Caribouceras slugense – type locality for species[1]
  • †Carteria – type locality for genus
    • †Carteria hotspringensis – type locality for species
  • †Ceccaisculitoides
  • Fossillized shell of a Chlamys bivalve
    Chlamys
  • †Chondrocoenia
    • †Chondrocoenia idahoensis
    • †Chondrocoenia schafhaeutli
  • †Cimolodon[2]
    • †Cimolodon akersteni – type locality for species[2]
  • †Claraia
  • †Clypites
    • †Clypites tenuis – type locality for species
  • †Coelostylina
  • †Coenastraea
    • †Coenastraea hyatti
  • †Columbites – type locality for genus
    • †Columbites crassicostatus – type locality for species
    • †Columbites dolnapaensis – or unidentified related form
    • †Columbites isabellae – type locality for species
    • †Columbites parisianus – type locality for species
  • A living Corbicula basket clam
    Corbicula
  • †Cordillerites – type locality for genus
    • †Cordillerites angulatus – type locality for species
  • †Coscaites
    • †Coscaites crassus – type locality for species
  • Cossmannea
  • †Cryptaulax
    • †Cryptaulax acutus – type locality for species
    • †Cryptaulax gruendeli – type locality for species
    • †Cryptaulax nezperceorum – type locality for species
    • †Cryptaulax rhabdocolpoides
    • †Cryptaulax wallowaensis – type locality for species
  • †Cryptorhynchia
    • †Cryptorhynchia bearensis – type locality for species
  • †Ctenostreon
    • †Ctenostreon gikshanensis – or unidentified comparable form
  • †Cupressinoxylon
  • †Cyathocoenia
    • †Cyathocoenia squiresi
  • †Cycadeoidea
  • †Cylindrobullina – tentative report
  • Life restoration of the Middle-Late Triassic ichthyosaur Cymbospondylus
    †Cymbospondylus

D
  • †Dagnoceras
    • †Dagnoceras bonnevillense
    • †Dagnoceras pealei
    • †Dagnoceras zappanense – or unidentified related form
  • †Dalmatites
    • †Dalmatites attenuatus
    • †Dalmatites richardsi
  • †Dennstaedtia – tentative report
    • †Dennstaedtia fremonti
  • †Deweveria
    • †Deweveria dudresnayi – type locality for species
  • †Diatrypesis
    • †Diatrypesis newelli – type locality for species
  • †Dicosmos
  • †Dieneroceras
    • †Dieneroceras dieneri
  • †Distichophyllia
    • †Distichophyllia norica

E
  • †Elysastraea
    • †Elysastraea profunda
    • †Elysastraea vancouverensis
  • †Endostoma – tentative report
  • †Enoploceras
    • †Enoploceras newelli – type locality for species
  • †Entolioides
    • †Entolioides utahensis
  • †Eocalliostoma
    • †Eocalliostoma idahoensis – type locality for species
    • †Eocalliostoma multicostata – type locality for species
  • †Eschericeratites – type locality for genus
    • †Eschericeratites lytoceratoides – type locality for species
  • †Euchrysalis – tentative report
  • †Eucycloscala
    • †Eucycloscala binodosa – or unidentified related form
  • †Euflemingites
    • †Euflemingites cirratus – type locality for species
  • †Eumicrotis – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Eumicrotis curta
  • †Eumorphotis
    • †Eumorphotis multiformis

F
  • †Fengshanites
    • †Fengshanites americanus
  • †Flemingites
    • †Flemingites aspenensis
    • †Flemingites bannockensis
    • †Flemingites cirratus

G
  • †Gablonzeria
    • †Gablonzeria major
    • †Gablonzeria profunda
  • †Germanonautilus
    • †Germanonautilus montpelierensis – type locality for species
  • †Gervillia – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Glabercolumbites – type locality for genus
    • †Glabercolumbites glaber – type locality for species
  • Gleichenia
  • †Gnomohalorites
    • †Gnomohalorites cordilleranus
  • †Grammatodon
    • †Grammatodon haguei
  • Interior and exterior of a fossilized shell of the Late Triassic-Eocene marine bivalve Gryphaea
    †Gryphaea
    • †Gryphaea nebrascensis
    • †Gryphaea planoconvexa
  • †Grypoceras
    • †Grypoceras milleri – type locality for species
  • †Gudrunella – type locality for genus
    • †Gudrunella triassica – type locality for species

H
  • Fossilized shell of the Triassic ammonoid cephalopod Hedenstroemia
    †Hedenstroemia
    • †Hedenstroemia kossmati
  • †Hellenites
    • †Hellenites elegans – type locality for species
    • †Hellenites idahoense
  • †Hemilecanites
    • †Hemilecanites paradiscus
  • †Hemiprionites
    • †Hemiprionites typus
  • †Heptastylis – tentative report
    • †Heptastylis alpina
    • †Heptastylis maculata
  • †Holocrinus
    • †Holocrinus smithi

I
  • †Idahocolumbites
    • †Idahocolumbites cheneyi
  • †Idahospira – type locality for genus
    • †Idahospira multispirata – type locality for species
  • Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size
    †Inoceramus
  • †Inyoites
  • †Isculitoides
    • †Isculitoides originis – or unidentified related form

J
  • †Jeanbesseiceras
    • †Jeanbesseiceras jacksoni – type locality for species
  • †Jurassiphorus
    • †Jurassiphorus triadicus
  • †Juvenites – type locality for genus
    • †Juvenites dieneri
    • †Juvenites kraffti – type locality for species
    • †Juvenites septentrionalis
    • †Juvenites thermarum

K
  • †Kazakhstanites
    • †Kazakhstanites dolnapensis
  • †Kiparisovites
    • †Kiparisovites ovalis – or unidentified related form
  • †Kittliconcha
    • †Kittliconcha obliquecostata

L
  • †Lamelliphorus
    • †Lamelliphorus acutelaminatus – type locality for species
  • †Lanceolites
    • †Lanceolites compactus
  • †Lecanites
    • †Lecanites arnoldi
  • †Lepismatina
    • †Lepismatina mansfieldi – type locality for species
  • †Leptochondria
    • †Leptochondria curtocardinalis
    • †Leptochondria occidanea
  • †Levicidaris
  • †Lingula
  • †Lingularia
  • †Liostrea
    • †Liostrea strigilecula
  • †Litogaster
    • †Litogaster turnbullensis – type locality for species
  • Fossilized shell of the Triassic-modern marine bivalve Lopha
    Lopha
  • †Loxopleurus
    • †Loxopleurus belliplicatus
  • †Lyosoma
    • †Lyosoma powelli

M
  • †Marcouxia
    • †Marcouxia astakhovi
  • †Maturifusus – tentative report
    • †Maturifusus siphonatus – type locality for species
  • †Meekoceras
    • †Meekoceras cristatum
    • †Meekoceras gracilitatis – type locality for species
    • †Meekoceras haydeni
    • †Meekoceras micromphalus
    • †Meekoceras mushbachanum
    • †Meekoceras patelliforme
    • †Meekoceras sanctorum
  • †Megasphaeroceras
    • †Megasphaeroceras rotundum – or unidentified related form
  • †Metadagnoceras
    • †Metadagnoceras pulchrum – or unidentified related form
    • †Metadagnoceras unicum
  • †Metussuria
    • †Metussuria waageni – type locality for species
  • †Microtaenia
    • †Microtaenia variabilis
  • †Miocidaris
  • †Mojsvaroceras
    • †Mojsvaroceras frenchi – type locality for species
  • †Myalina
    • †Myalina postcarbonica

N
  • †Naticopsis – tentative report
  • †Nemacanthus
  • †Neocolumbites
  • †Neogondolella
    • †Neogondolella jubata
  • †Neoschizodus
  • †Neospathodus
    • †Neospathodus homeri – tentative report
    • †Neospathodus triangularis
  • †Nerinea
  • †Nodoconus – type locality for genus
    • †Nodoconus nodiferus – type locality for species
  • †Nordophiceratoides
    • †Nordophiceratoides adriani – type locality for species
    • †Nordophiceratoides bartolinae – type locality for species
    • †Nordophiceratoides catherinae – type locality for species
    • †Nordophiceratoides gracilis – type locality for species
  • Fossilized shell of the Middle Jurassic ammonoid cephalopod Normannites
    †Normannites
    • †Normannites crickmayi – or unidentified comparable form
  • †Nuetzelopsis
    • †Nuetzelopsis tozeri

O
  • †Obnixia – type locality for genus
    • †Obnixia thaynesiana – type locality for species
  • †Omphaloptycha
    • †Omphaloptycha jaworskii
  • †Orthoceras
  • Shell of an Ostrea, or oyster
    Ostrea
    • †Ostrea strigicula
  • †Owenites

P
  • Fossilized foliage of the Carboniferous-Late Cretaceous plant Pagiophyllum
    †Pagiophyllum
  • †Palaeastraea
  • †Palaeonarica
    • †Palaeonarica lapwaiensis – type locality for species
  • †Palaeophyllites – tentative report
  • †Pamiroseris
    • †Pamiroseris rectilamellosa
    • †Pamiroseris smithi
  • †Paradelphinulopsis
    • †Paradelphinulopsis vallieri
  • †Paragoceras
    • †Paragoceras malayanus – or unidentified comparable form
    • †Paragoceras timorensis – or unidentified related form
  • †Paranannites – type locality for genus
    • †Paranannites aspenensis – type locality for species
  • †Paraphyllanthoxylon
    • †Paraphyllanthoxylon idahoense
  • †Paullia
  • †Pentacrinus
    • †Pentacrinus asteriscus
  • †Periallus – type locality for genus
    • †Periallus woodsidensis – type locality for species
  • †Permophorus
    • †Permophorus bregeri
    • †Permophorus triassicus
  • †Phacelophyllia – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Phacelophyllia suttonensis
  • †Phacelostylophyllum
    • †Phacelostylophyllum zitteli
  • †Phaedrysmocheilus
    • †Phaedrysmocheilus idahoensis – type locality for species
  • Fossilized shell of the Early Triassic-Pliocene marine bivalve Pholadomya
    Pholadomya
  • †Piarorhynchella
    • †Piarorhynchella triassica
  • †Plagiostoma
    • †Plagiostoma occidentalis
  • †Platymya
    • †Platymya rockymontana
  • †Platyvillosus
    • †Platyvillosus asperatus
  • †Pleuromya
    • †Pleuromya subcompressa
  • Fossilized shell of the Carboniferous-Triassic nautiloid cephalopod Pleuronautilus
    †Pleuronautilus
  • †Polygyrina – tentative report
    • †Polygyrina subannulata – type locality for species
  • †Portneufia – type locality for genus
    • †Portneufia episulcata – type locality for species
  • †Praelittorina
    • †Praelittorina sepkoskii – type locality for species
  • †Praesibirites – tentative report
  • †Precorynella
  • †Preflorianites
    • †Preflorianites toulai
  • †Procarnites
  • †Procolumbites
    • †Procolumbites karataucicus
  • †Prohungarites
    • †Prohungarites beyrichitoides – type locality for species
    • †Prohungarites gutstadti
    • †Prohungarites mckelvei
  • †Promathildia – tentative report
    • †Promathildia multituberculata – type locality for species
  • †Promyalina
    • †Promyalina putiatinensis
    • †Promyalina spathi
  • †Pronoella
    • †Pronoella cinnabarensis
    • †Pronoella uintahensis
  • †Protocardia
    • †Protocardia schucherti – or unidentified comparable form
  • †Protodonax
  • †Protogusarella – type locality for genus
    • †Protogusarella smithi – type locality for species
  • †Protorcula – tentative report
    • †Protorcula concava – type locality for species
  • †Pseudaspidites
    • †Pseudaspidites wheeleri
  • †Pseudharpoceras
    • †Pseudharpoceras idahoense
  • Fossilized shell of a Pseudomelania sea snail
    †Pseudomelania – tentative report
  • †Pseudomonotis
    • †Pseudomonotis idahoensis
    • †Pseudomonotis pealei
  • †Pseudosageceras
    • †Pseudosageceras multilobatum – type locality for species
  • †Pseudoscalites
    • †Pseudoscalites elegantissimus – or unidentified comparable form
  • †Pteria – tentative report
    • †Pteria ussurica – or unidentified comparable form
  • †Ptychomphalus – tentative report
    • †Ptychomphalus protei – or unidentified related form
  • †Ptychostoma
    • †Ptychostoma ornata – type locality for species
  • †Pyknotylacanthus – type locality for genus
    • †Pyknotylacanthus spathianus – type locality for species
  • †Pyrgulifera
    • †Pyrgulifera humerosa

Q
  • †Quenstedtia
    • †Quenstedtia sublevis

R
  • †Retiophyllia
    • †Retiophyllia clathrata – or unidentified comparable form
    • †Retiophyllia dawsoni
    • †Retiophyllia parviseptum
  • †Rhaetina
    • †Rhaetina incurvirostra – type locality for species
  • Fossilized shell of the Silurian-Eocene articulate brachiopod Rhynchonella
    †Rhynchonella – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Rudolftruempyiceras
    • †Rudolftruempyiceras apostolicum
    • †Rudolftruempyiceras apostolicus

S
  • Fossilized skeleton of the Early Triassic-Middle Jurassic bony fish Saurichthys
    †Saurichthys
    • †Saurichthys elongatus – or unidentified comparable form
  • †Sibirites
    • †Sibirites carinatus – type locality for species
  • †Silberlingeria
    • †Silberlingeria bearlakensis
    • †Silberlingeria coronata
    • †Silberlingeria sarahjanae – type locality for species
  • †Siphonilda – type locality for genus
    • †Siphonilda pulchella – type locality for species
  • †Sororcula
    • †Sororcula gracilis
  • †Spiniomphalus – type locality for genus
    • †Spiniomphalus duplicatus – type locality for species
  • †Spiriferina
  • †Spirostylus
  • †Spondylospira
    • †Spondylospira lewesensis
  • †Stacheites
    • †Stacheites concavus
    • †Stacheites floweri
    • †Stacheites prionoides – or unidentified related form
  • †Stemmatoceras
    • †Stemmatoceras albertense – or unidentified related form
  • Fossilized shell of the Middle Jurassic ammonoid cephalopod Stephanoceras
    †Stephanoceras
    • †Stephanoceras skidegatensis – or unidentified comparable form
  • †Stylophyllum
    • †Stylophyllum paradoxum
  • †Subcolumbites
    • †Subcolumbites perrinismithi – or unidentified related form
  • †Subhungarites
    • †Subhungarites yatesi
  • †Submeekoceras
    • †Submeekoceras mushbachanum – type locality for species
  • †Svalbardiceras
    • †Svalbardiceras freboldi – or unidentified comparable form
    • †Svalbardiceras spitzbergensis – or unidentified related form
    • †Svalbardiceras sulcatum – type locality for species

T
  • †Tancredia – tentative report
  • †Tapponnierites – type locality for genus
    • †Tapponnierites tenuicostatus – type locality for species
  • †Tardicolumbites – type locality for genus
    • †Tardicolumbites tardicolumbus – type locality for species
  • †Teinostomopsis – tentative report
  • †Tempskya
    • †Tempskya wesselii
  • Life restoration of the Early Cretaceous Iguanodon relative Tenontosaurus
    †Tenontosaurus
  • †Teretrina
    • †Teretrina aculeata
    • †Teretrina canaliculata – type locality for species
    • †Teretrina schulberti – type locality for species
  • †Thamnasteria
    • †Thamnasteria smithi
  • †Thaumastocoelia
  • †Thecomeandra
    • †Thecomeandra vallieri – type locality for species
  • †Tirolites
    • †Tirolites harti
    • †Tirolites knighti
    • †Tirolites pealei
    • †Tirolites smithi – type locality for species
  • †Tretospira
  • †Triadocidaris
  • Fossilized shell of the Permian-Paleocene marine bivalve Trigonia
    †Trigonia
  • †Tyrsoecus – tentative report

U
  • †Ueckerconulus
    • †Ueckerconulus noricus – type locality for species
  • †Undularia
    • †Undularia americana – type locality for species
  • †Unionites
  • †Ussuria
    • †Ussuria occidentalis
  • †Ussurites
    • †Ussurites mansfeldi
    • †Ussurites mansfieldi
    • †Ussurites submansfeldi – type locality for species

V
  • †Vex – type locality for genus
    • †Vex semisimplex – type locality for species
  • †Vitimetula – type locality for genus
    • †Vitimetula parva – type locality for species

W
  • †Weitschatopsis
    • †Weitschatopsis pulchra
  • †Worthenia
    • †Worthenia rhombifera – or unidentified comparable form
  • †Wyomingites – type locality for genus
    • †Wyomingites aplanatus – type locality for species
    • †Wyomingites arnoldi – type locality for species

X

Y
  • †Yunnania – tentative report
    • †Yunnania subcincta
  • †Yvesgalleticeras
    • †Yvesgalleticeras montpelierense
    • †Yvesgalleticeras raphaeli – type locality for species

Z


References
  1. Arnaud Brayard; James F. Jenks; Kevin G. Bylund; the Paris Biota Team (2019). "Ammonoids and nautiloids from the earliest Spathian Paris Biota and other early Spathian localities in southeastern Idaho, USA". Geobios. 54: 13–36. doi:10.1016/j.geobios.2019.04.007.
  2. Lucas N. Weaver; Gregory P. Wilson; L. J. Krumenacker; Kayla Mclaughlin; Jason R. Moore; David J. Varricchio (2019). "New multituberculate mammals from the mid-Cretaceous (lower Cenomanian) Wayan Formation of southeastern Idaho and implications for the early evolution of Cimolodonta". Journal of Vertebrate Paleontology. Online edition: e1604532. doi:10.1080/02724634.2019.1604532.
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