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
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- †Albanites
- †Albanites americanus – type locality for species
- †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
- †Andangularia
- †Andangularia babylona – type locality for species
- †Andangularia occidentalis – type locality for species
- †Anemia
- †Angularia
- †Angularia rectecostata – type locality for species
- †Anthostylis
Life restoration of two species of the Late Triassic ammonoid cephalopod Arcestes - †Arctomeekoceras
- †Arctomeekoceras popovi – type locality for species
- †Arctomeekoceras tardum – type locality for species
- †Aspenites
- †Aspiduriella – tentative report
- †Aspiduriella idahoensis – type locality for species
- Astarte
- †Astraeomorpha
- †Astrocoenia
- †Astrocoenia idahoensis – type locality for species
- †Austrotindaria
Mold fossil of a shell of the Early Devonian-Late Triassic bivalve Aviculopecten - †Aviculopecten altus – type locality for species
- †Aviculopecten idahoensis
- †Aviculopecten pealei – type locality for species
B
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- †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
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- †Camptonectes
- †Caribouceras – type locality for genus
- †Caribouceras slugense – type locality for species
- †Carteria – type locality for genus
- †Carteria hotspringensis – type locality for species
- †Ceccaisculitoides
Fossillized shell of a Chlamys bivalve - †Chondrocoenia
- †Cimolodon
- †Cimolodon akersteni – type locality for species
- †Claraia
- †Clypites
- †Clypites tenuis – type locality for species
- †Coelostylina
- †Coenastraea
- †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 - †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
- †Cycadeoidea
- †Cylindrobullina – tentative report
Life restoration of the Middle-Late Triassic ichthyosaur Cymbospondylus
D
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- †Dagnoceras
- †Dagnoceras bonnevillense
- †Dagnoceras pealei
- †Dagnoceras zappanense – or unidentified related form
- †Dalmatites
- †Dennstaedtia – tentative report
- †Deweveria
- †Deweveria dudresnayi – type locality for species
- †Diatrypesis
- †Diatrypesis newelli – type locality for species
- †Dicosmos
- †Dieneroceras
- †Distichophyllia
E
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- †Elysastraea
- †Endostoma – tentative report
- †Enoploceras
- †Enoploceras newelli – type locality for species
- †Entolioides
- †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
- †Eumorphotis
F
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G
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- †Gablonzeria
- †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
- †Grammatodon
Interior and exterior of a fossilized shell of the Late Triassic-Eocene marine bivalve Gryphaea - †Grypoceras
- †Grypoceras milleri – type locality for species
- †Gudrunella – type locality for genus
- †Gudrunella triassica – type locality for species
H
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Fossilized shell of the Triassic ammonoid cephalopod Hedenstroemia - †Hellenites
- †Hellenites elegans – type locality for species
- †Hellenites idahoense
- †Hemilecanites
- †Hemiprionites
- †Heptastylis – tentative report
- †Holocrinus
I
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- †Idahocolumbites
- †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 - †Inyoites
- †Isculitoides
- †Isculitoides originis – or unidentified related form
J
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- †Jeanbesseiceras
- †Jeanbesseiceras jacksoni – type locality for species
- †Jurassiphorus
- †Juvenites – type locality for genus
- †Juvenites dieneri
- †Juvenites kraffti – type locality for species
- †Juvenites septentrionalis
- †Juvenites thermarum
K
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- †Kazakhstanites
- †Kiparisovites
- †Kiparisovites ovalis – or unidentified related form
- †Kittliconcha
L
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- †Lamelliphorus
- †Lamelliphorus acutelaminatus – type locality for species
- †Lanceolites
- †Lecanites
- †Lepismatina
- †Lepismatina mansfieldi – type locality for species
- †Leptochondria
- †Levicidaris
- †Lingula
- †Lingularia
- †Liostrea
- †Litogaster
- †Litogaster turnbullensis – type locality for species
Fossilized shell of the Triassic-modern marine bivalve Lopha - †Loxopleurus
- †Lyosoma
M
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- †Marcouxia
- †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
- †Miocidaris
- †Mojsvaroceras
- †Mojsvaroceras frenchi – type locality for species
- †Myalina
N
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- †Naticopsis – tentative report
- †Nemacanthus
- †Nemacanthus elegans – type locality for species
- †Neocolumbites
- †Neogondolella
- †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 crickmayi – or unidentified comparable form
- †Nuetzelopsis
O
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- †Obnixia – type locality for genus
- †Obnixia thaynesiana – type locality for species
- †Omphaloptycha
- †Orthoceras
Shell of an Ostrea, or oyster - †Owenites
- †Owenites koeneni – or unidentified comparable form
P
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Fossilized foliage of the Carboniferous-Late Cretaceous plant Pagiophyllum - †Palaeastraea
- †Palaeonarica
- †Palaeonarica lapwaiensis – type locality for species
- †Palaeophyllites – tentative report
- †Pamiroseris
- †Paradelphinulopsis
- †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
- †Paullia
- †Pentacrinus
- †Periallus – type locality for genus
- †Periallus woodsidensis – type locality for species
- †Permophorus
- †Phacelophyllia – report made of unidentified related form or using admittedly obsolete nomenclature
- †Phacelostylophyllum
- †Phaedrysmocheilus
- †Phaedrysmocheilus idahoensis – type locality for species
Fossilized shell of the Early Triassic-Pliocene marine bivalve Pholadomya - †Piarorhynchella
- †Plagiostoma
- †Platymya
- †Platyvillosus
- †Pleuromya
Fossilized shell of the Carboniferous-Triassic nautiloid cephalopod 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
- †Procarnites
- †Procolumbites
- †Prohungarites
- †Prohungarites beyrichitoides – type locality for species
- †Prohungarites gutstadti
- †Prohungarites mckelvei
- †Promathildia – tentative report
- †Promathildia multituberculata – type locality for species
- †Promyalina
- †Pronoella
- †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
- †Pseudharpoceras
Fossilized shell of a Pseudomelania sea snail - †Pseudomonotis
- †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
Q
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R
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- †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 - †Rudolftruempyiceras
S
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Fossilized skeleton of the Early Triassic-Middle Jurassic bony fish 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
- †Spiniomphalus – type locality for genus
- †Spiniomphalus duplicatus – type locality for species
- †Spiriferina
- †Spirostylus
- †Spondylospira
- †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 skidegatensis – or unidentified comparable form
- †Stylophyllum
- †Subcolumbites
- †Subcolumbites perrinismithi – or unidentified related form
- †Subhungarites
- †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
Contents
- †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
Life restoration of the Early Cretaceous Iguanodon relative Tenontosaurus - †Teretrina
- †Teretrina aculeata
- †Teretrina canaliculata – type locality for species
- †Teretrina schulberti – type locality for species
- †Thamnasteria
- †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 - †Tyrsoecus – tentative report
U
Contents
- †Ueckerconulus
- †Ueckerconulus noricus – type locality for species
- †Undularia
- †Undularia americana – type locality for species
- †Unionites
- †Ussuria
- †Ussurites
- †Ussurites mansfeldi
- †Ussurites mansfieldi
- †Ussurites submansfeldi – type locality for species
V
Contents
- †Vex – type locality for genus
- †Vex semisimplex – type locality for species
- †Vitimetula – type locality for genus
- †Vitimetula parva – type locality for species
W
Contents
- †Weitschatopsis
- †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
Contents
- †Xenoceltites
- †Xenoceltites cordilleranus
- †Xenoceltites crenulatus – type locality for species
- †Xenoceltites spencei
Fossilized shells of the ammonoid cephalopod Xenodiscus
Y
Contents
- †Yunnania – tentative report
- †Yvesgalleticeras
- †Yvesgalleticeras montpelierense
- †Yvesgalleticeras raphaeli – type locality for species
Z
Contents
References
- ^ 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.
- ^ 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. 39 (2): e1604532. doi:10.1080/02724634.2019.1604532. S2CID 196655261.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
| Lists of the prehistoric life of Idaho | |
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