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 †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 †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 †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 †Aviculopecten – report made of unidentified related form or using admittedly obsolete nomenclature †Aviculopecten altus – type locality for species †Aviculopecten idahoensis †Aviculopecten pealei – type locality for species
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 †Caribouceras slugense – type locality for species †Carteria – type locality for genus †Carteria hotspringensis – type locality for species †Ceccaisculitoides †Ceccaisculitoides hammondi Chlamys †Chondrocoenia †Chondrocoenia idahoensis †Chondrocoenia schafhaeutli †Cimolodon †Cimolodon akersteni – type locality for species †Claraia †Claraia extrema †Claraia stachei †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 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 †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 †Gryphaea †Gryphaea nebrascensis †Gryphaea planoconvexa †Grypoceras †Grypoceras milleri – type locality for species †Gudrunella – type locality for genus †Gudrunella triassica – type locality for species
H
†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 †Inoceramus †Inyoites †Inyoites oweni †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 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 †Nemacanthus elegans – type locality for species †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 †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 Ostrea †Ostrea strigicula †Owenites †Owenites koeneni – or unidentified comparable form
P
†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 Pholadomya †Pholadomya inaequiplicata †Piarorhynchella †Piarorhynchella triassica †Plagiostoma †Plagiostoma occidentalis †Platymya †Platymya rockymontana †Platyvillosus †Platyvillosus asperatus †Pleuromya †Pleuromya subcompressa †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 †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 †Rhynchonella – report made of unidentified related form or using admittedly obsolete nomenclature †Rudolftruempyiceras