List of the Paleozoic life of Idaho

This list of the Paleozoic 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 541 and 252.17 million years of age.

A
  • † Acrothele
    • † Acrothele affinis
    • † Acrothele artemis
    • † Acrothele parilis – type locality for species
    • † Acrothele speciosa – type locality for species
  • † Acrothyra
    • † Acrothyra minor
  • † Acrotreta
    • † Acrotreta definita
    • † Acrotreta eucharis – type locality for species
    • † Acrotreta levata
    • † Acrotreta nitens – type locality for species
    • † Acrotreta sulcata
  • † Adrianites
  • Assemblage of fossils of the Cambrian trilobite Agnostus
    † Agnostus
    • † Agnostus bonnerensis – type locality for species
    • † Agnostus lautus – type locality for species
  • † Albertella
    • † Albertella sampsoni – type locality for species
  • † Allanaria
    • † Allanaria engelmanni
  • † Alokistocare
    • † Alokistocare euchare – type locality for species
    • † Alokistocare idahoense
    • † Alokistocare laticaudum
    • † Alokistocare nactum – type locality for species
    • † Alokistocare natale – type locality for species
    • † Alokistocare noduliferum – type locality for species
    • † Alokistocare normale – type locality for species
    • † Alokistocare notatum – type locality for species
    • † Alokistocare nothum – type locality for species
    • † Alokistocare septum
    • † Alokistocare spencense
  • † Alokistocarella
    • † Alokistocarella occidens – type locality for species
    • † Alokistocarella spencei
  • † Amblycranium
    • † Amblycranium cornutum – type locality for species
    • † Amblycranium populus – type locality for species
    • † Amblycranium variabile – type locality for species
  • † Ambothyris
    • † Ambothyris utahensis – type locality for species
  • † Amechilus
    • † Amechilus palaora – type locality for species
  • † Amphipora
  • † Amplexizaphrenitis
  • † Amplexizaphrentis
  • † Amplexograptus
    • † Amplexograptus latus – or unidentified related form
    • † Amplexograptus manitoulinensis – or unidentified related form
    • † Amplexograptus perexcavatus
  • † Amplexus
  • † Ampyxina
  • † Ananias
    • † Ananias nevadensis – or unidentified related form
  • † Anazyga
    • † Anazyga recurvirostra – or unidentified comparable form
  • † Ancenochilus
  • † Anidanthus
    • † Anidanthus echaris
    • † Anidanthus eucharis – type locality for species
  • † Anomalorthis
  • † Anthracospirifer
    • † Anthracospirifer arcoensis – type locality for species
    • † Anthracospirifer curvilateralis
    • † Anthracospirifer leidyi
    • † Anthracospirifer occiduus
    • † Anthracospirifer shawi
  • † Antiquatonia
    • † Antiquatonia sulcatus – or unidentified comparable form
  • † Apatokephalus – tentative report
  • † Apheorthis
    • † Apheorthis meeki – or unidentified comparable form
  • † Appendispinograptus
    • † Appendispinograptus longispinus
  • † Apterrinella
  • † Arachniograptus
    • † Arachniograptus laqueus
  • † Archaeocyathus
  • Archaeolithophyllum
  • † Asaphellus – tentative report
    • † Asaphellus eudocia
  • † Astartella
    • † Astartella subquadrata
  • † Asthenospongia – type locality for genus
    • † Asthenospongia acantha – type locality for species
  • Fossilized shell of the Late Ordovician-Carboniferous brachiopod Atrypa
    † Atrypa
    • † Atrypa oneidensis – type locality for species
    • † Atrypa putilla – or unidentified related form
  • † Aulopora
  • † Auloprotonia
  • † Austinella
    • † Austinella whitfieldi – or unidentified related form
  • † Aviculopecten
    • † Aviculopecten kaibabensis – or unidentified comparable form
  • † Avonia

B
  • † Babylonites
    • † Babylonites conoideus
    • † Babylonites ferrieri – type locality for species
  • † Bakevellia – tentative report
  • † Basilicus – tentative report
  • † Bathymyonia
    • † Bathymyonia nevadensis – type locality for species
  • † Bathyuriscus
    • † Bathyuriscus atossa
    • † Bathyuriscus politus – type locality for species
  • † Bearriverops
    • † Bearriverops alsacharovi
    • † Bearriverops borderinnensis
    • † Bearriverops loganensis – type locality for species
  • † Bellaspis – tentative report
  • † Bellefontia
    • † Bellefontia acuminiferentis
    • † Bellefontia chamberlaini
  • † Bensbergia
    • † Bensbergia altivolvis
  • † Benthamaspis
    • † Benthamaspis obrepta
  • † Billingsella
  • † Blastoidocrinus
    • † Blastoidocrinus carchariaedens – or unidentified comparable form
  • † Brachythyris
    • † Brachythyris subcardiiformis
  • † Bythicheilus
    • † Bythicheilus alveatum
    • † Bythicheilus typicum

C
  • † Camarotechia
  • † Cancrinella
    • † Cancrinella phosphatica – type locality for species
  • † Caninia
    • † Caninia excentrica
  • † Cardiograptus
  • † Cardiomorpha – tentative report
  • † Chaetetes
  • † Chancia
    • † Chancia angusta
    • † Chancia ebdome
    • † Chancia evax
  • † Chonetes
    • † Chonetes logani
  • † Clappaspis
    • † Clappaspis coriacea
    • † Clappaspis dotis
    • † Clappaspis idahoensis
    • † Clappaspis lanata
    • † Clappaspis spencei
  • † Clavaspidella
    • † Clavaspidella bithus
    • † Clavaspidella minor – type locality for species
  • † Cleiothryidina
  • † Cleiothyridina
    • † Cleiothyridina miettensis
    • † Cleiothyridina obmaxima
    • † Cleiothyridina sublamellosa
    • † Cleiothyridina tenuilineata
  • † Cleiothyridinia
  • † Clelandia
    • † Clelandia utahensis – type locality for species
  • Assemblage of fossils of the Cambrian graptolite Climacograptus
    † Climacograptus
    • † Climacograptus bicornis
    • † Climacograptus brevis
    • † Climacograptus caudatus
    • † Climacograptus hastatus
    • † Climacograptus innotatus
    • † Climacograptus minimus – or unidentified comparable form
    • † Climacograptus mohawkensis – or unidentified comparable form
    • † Climacograptus raricaudatus – or unidentified comparable form
    • † Climacograptus riddellensis
    • † Climacograptus scalaris – or unidentified comparable form
    • † Climacograptus tabuliferus – or unidentified comparable form
    • † Climacograptus tubuliferus
    • † Climacograptus uncinatus
  • † Clinopistha
  • Fossilized shell of the Late Devonian-Permian brachiopod Composita
    † Composita
    • † Composita humilis
    • † Composita humulis
    • † Composita idahoensis – type locality for species
    • † Composita mira – or unidentified comparable form
    • † Composita sigma
    • † Composita subquadrata
    • † Composita subtilita – or unidentified comparable form
    • † Composita sulcata
  • † Corynoides
    • † Corynoides calicularis
  • † Croixana
  • † Crurithyris
    • † Crurithyris arcuata – type locality for species
    • † Crurithyris arcuatus
  • † Cryptograptus
    • † Cryptograptus tricornis
  • † Cyathaxonia
  • † Cyclogyra – tentative report
  • † Cyrtina
    • † Cyrtina acutirostris
    • † Cyrtina billingsi – or unidentified comparable form
  • † Cyrtograptus
    • † Cyrtograptus grayae – or unidentified comparable form
    • † Cyrtograptus kirki
    • † Cyrtograptus laqueus
    • † Cyrtograptus rigidus
  • † Cyrtorostra
    • † Cyrtorostra varicostata
  • † Cystidictya
  • † Cystodictya
  • † Cythaxonia

D
  • † Daubichites
    • † Daubichites brevicostatus – type locality for species
  • † Demarezites
    • † Demarezites furnishi – type locality for species
  • † Derbyia
  • † Diaphragmus
    • † Diaphragmus nivosus
  • † Dibunophyllum
  • † Dicellograptus
    • † Dicellograptus alector – type locality for species
    • † Dicellograptus angulatus – or unidentified comparable form
    • † Dicellograptus divaricatus
    • † Dicellograptus elegans – or unidentified comparable form
    • † Dicellograptus ornatus
    • † Dicellograptus sextans
  • † Diceromyonia
    • † Diceromyonia tersa – or unidentified comparable form
  • † Diconularia
    • † Diconularia meadepeakensis – type locality for species
  • † Dicranograptus
    • † Dicranograptus brevicaulis – or unidentified comparable form
    • † Dicranograptus contortus
    • † Dicranograptus kirki – or unidentified comparable form
    • † Dicranograptus nicholsoni
    • † Dicranograptus spinifer
  • † Dictyoclostus
  • † Dictyoclustus – report made of unidentified related form or using admittedly obsolete nomenclature
  • † Dictyonema
  • Fossil of the Middle Ordovician graptolite Didymograptus
    † Didymograptus
    • † Didymograptus extensus
    • † Didymograptus gemminus – or unidentified comparable form
    • † Didymograptus gracilis
    • † Didymograptus protobifidus
  • † Dielasma
  • † Dimegelasma
  • † Diparelasma
    • † Diparelasma typicum – or unidentified comparable form
  • † Diphyphyllum
  • † Diplograptus
  • † Dolichometopsis
    • † Dolichometopsis alia – type locality for species
    • † Dolichometopsis comis – type locality for species
    • † Dolichometopsis communis – type locality for species
    • † Dolichometopsis gravis – type locality for species
    • † Dolichometopsis lepida – type locality for species
    • † Dolichometopsis media – type locality for species
    • † Dolichometopsis potens – type locality for species
    • † Dolichometopsis poulseni – type locality for species
    • † Dolichometopsis propinqua – type locality for species
    • † Dolichometopsis stella – type locality for species
  • † Dorispira
    • † Dorispira arguta – type locality for species
    • † Dorispira burlingi – type locality for species
    • † Dorispira pocatelloensis – type locality for species
  • † Dorlodotia
  • † Dyscritella
    • † Dyscritella bogatensis
  • † Dyscritellina
    • † Dyscritellina grandicora – type locality for species
    • † Dyscritellina multispinosa

E
  • † Echinauris
  • † Echinoconchus
    • † Echinoconchus alternatus
  • † Edmondia
    • † Edmondia phosphatica – type locality for species
    • † Edmondia phosphoriensis – or unidentified comparable form
  • † Ehmaniella
    • † Ehmaniella maladensis
  • † Ekvasophyllum
  • Fossils at different stages of development of the Cambrian trilobite Elrathia
    † Elrathia
    • † Elrathia idahoensis – type locality for species
    • † Elrathia longiceps – type locality for species
    • † Elrathia offula
    • † Elrathia rara
    • † Elrathia sampsoni – type locality for species
    • † Elrathia spencei
  • † Elrathina
    • † Elrathina spencei – or unidentified comparable form
  • † Emanuella
  • † Endothyra
  • † Eochonetes
    • † Eochonetes voldemortus – type locality for species
  • † Eocrinus
    • † Eocrinus longidactylus
  • † Eolissochonetes
    • † Eolissochonetes pseudoliratus
  • † Eomartiniopsis
    • † Eomartiniopsis rostrata
  • † Eugonophyllum
  • † Eumetria
    • † Eumetria costata
  • Fossilized shell of the Silurian-Permian sea snail Euomphalus
    † Euomphalus
    • † Euomphalus subplanus

F
  • † Faberophyllum
  • † Faberophylum
  • † Faberphyllum
  • † Fenestella
  • † Fistulipora
  • † Flectihystricurus
    • † Flectihystricurus acumennasus – type locality for species
    • † Flectihystricurus flectimembrus – type locality for species
  • † Flexaria

G
  • † Gastrioceras – report made of unidentified related form or using admittedly obsolete nomenclature
    • † Gastrioceras williamsi
  • † Genalaticurus
    • † Genalaticurus genalatus – type locality for species
  • † Girtyella
  • † Girtypecten
  • † Girvanella
  • † Glabrocingulum – tentative report
  • † Glassoceras
    • † Glassoceras bransonorum – type locality for species
  • † Globivalvulina
  • † Glossograptus
    • † Glossograptus hincksii
  • † Glossopleura
    • † Glossopleura bion
    • † Glossopleura intermedia – type locality for species
    • † Glossopleura similaris
  • † Glyptograptus
    • † Glyptograptus altus
    • † Glyptograptus euglyphus
    • † Glyptograptus tamariscus
  • † Glyptorthis
    • † Glyptorthis pulchra – or unidentified comparable form
  • Fossil of the Cambrian echinoderm Gogia
    † Gogia
    • † Gogia hobbsi
    • † Gogia palmeri
  • † Goniograptus
    • † Goniograptus geometricus
  • † Goniophrys
    • † Goniophrys prima – type locality for species
  • † Gosseletina
    • † Gosseletina idahoensis

H
  • † Hallograptus
  • † Haplophrentis
    • † Haplophrentis carinatus – type locality for species
  • † Hedraites
  • † Helcionella
  • Life restoration of the Permian Chimaera relative Helicoprion
    † Helicoprion
    • † Helicoprion davisii – type locality for species
    • † Helicoprion ergassaminon – type locality for species
  • † Hesperonomia
    • † Hesperonomia dinorthoides
  • † Hillyardina
    • † Hillyardina marginauctum – type locality for species
    • † Hillyardina semicylindrica – type locality for species
  • † Hintzecurus
    • † Hintzecurus paragenalatus – type locality for species
  • † Hintzeia
    • † Hintzeia celsaora – type locality for species
  • † Homalophyllites
    • † Homalophyllites subcrassus
  • † Hustedia
  • † Hustedograptus
    • † Hustedograptus teretiusculus
  • Fossilized shells of the Cambrian-Permian brachiopod relative Hyolitha
    † Hyolithes
    • † Hyolithes ornatellus
    • † Hyolithes prolixus – type locality for species
  • † Hypothetica
    • † Hypothetica rawi – type locality for species
  • † Hystricurus
    • † Hystricurus contractus – type locality for species
    • † Hystricurus oculilunatus – type locality for species
    • † Hystricurus robustus – type locality for species

I
  • † Idahoia
  • † Inflatia
    • † Inflatia inflata – or unidentified comparable form
  • † Inglefieldia
  • † Iphidella
    • † Iphidella grata
    • † Iphidella maladensis
    • † Iphidella pannula – or unidentified comparable form
  • † Isograptus
    • † Isograptus victoriae

J

K
  • † Kaskia
  • † Kazakhstania
  • † Kochaspis
    • † Kochaspis maladensis – type locality for species
  • † Kochiella
  • † Kochina
    • † Kochina venusta – type locality for species
    • † Kochina vestita – type locality for species
    • † Kochina wasatchensis – type locality for species
  • † Kochiproductus
    • † Kochiproductus longus – or unidentified comparable form
  • † Komiella
    • † Komiella ostiolata – type locality for species
  • Fossil of the Cambrian trilobite Kootenia
    † Kootenia
    • † Kootenia acicularis – type locality for species
    • † Kootenia brevispina – type locality for species
    • † Kootenia convoluta – type locality for species
    • † Kootenia granulosa – type locality for species
    • † Kootenia idahoensis
    • † Kootenia maladensis – type locality for species
    • † Kootenia nitida – type locality for species
    • † Kootenia spencei
  • † Kozlowskia

L
  • † Lasiograptus
    • † Lasiograptus harknessi
  • † Leiorhynchoidea
    • † Leiorhynchoidea carbonifera
  • † Leiorhynchus
    • † Leiorhynchus carboniferum
    • † Leiorhynchus weeksi
  • † Leiostegium
    • † Leiostegium manitouense
  • † Leptagonia
    • † Leptagonia analoga
    • † Leptagonia missouriensis
  • † Leptograptus
    • † Leptograptus demissus – type locality for species
    • † Leptograptus flaccidus
  • † Licnocephala
    • † Licnocephala bicornuta – type locality for species
    • † Licnocephala cavigladius
    • † Licnocephala ovata – type locality for species
  • † Lingula
    • † Lingula carbonaria
  • Illustration of a fossilized shell of the Cambrian-Late Ordovician brachiopod Lingulella
    † Lingulella
    • † Lingulella eucharis – type locality for species
    • † Lingulella idahoensis – type locality for species
  • † Linoproductus
  • † Liosotella – or unidentified related form
  • † Lithostrontionella
  • † Lithostrotion
  • † Lithostrotionella
    • † Lithostrotionella pennsylvanicum
    • † Lithostrotionella stelcki
  • † Lithstrotionella
    • † Lithstrotionella pennsylvanicum
  • † Loganiella – type locality for genus
    • † Loganiella johnsoni – type locality for species
  • † Loganograptus
    • † Loganograptus logani
  • † Lordorthis – type locality for genus
    • † Lordorthis variabilis – type locality for species

M
  • † Macropotamorhyncus
    • † Macropotamorhyncus insolitus
  • † Macropyge
    • † Macropyge gladiator – type locality for species
  • † Maeandrograptus
    • † Maeandrograptus tau
  • Restoration of the mysterious Cambrian life-form Margaretia
    † Margaretia
    • † Margaretia angustata – type locality for species
  • † Martinia
  • † Menoparia
    • † Menoparia genalunata – type locality for species
    • † Menoparia lunalata – type locality for species
  • † Metabowmania
    • † Metabowmania latilimbata – or unidentified comparable form
  • † Metriophyllum
    • † Metriophyllum deminutivum
  • † Michelinia
  • † Micromitra
    • † Micromitra haydeni
    • † Micromitra lepida
  • † Minkella
  • † Monoclimacis
    • † Monoclimacis griestoniensis – or unidentified related form
  • Fossils of the Early Devonian graptolite Monograptus
    † Monograptus
    • † Monograptus argutus – or unidentified comparable form
    • † Monograptus convolutus
    • † Monograptus decipiens – or unidentified comparable form
    • † Monograptus flemingii – or unidentified comparable form
    • † Monograptus leptotheca – or unidentified comparable form
    • † Monograptus lobiferus
    • † Monograptus sedgwickii
  • † Mooreoceras – tentative report
  • † Morania
  • † Morozoviella
    • † Morozoviella praecurriensis

N
  • † Nanorthis – tentative report
  • Fossilized shell of the Early Devonian – Triassic sea snail Naticopsis
    † Naticopsis
    • † Naticopsis tayloriana – type locality for species
  • † Nemagraptus
    • † Nemagraptus gracilis – or unidentified comparable form
  • † Neoeridotrypella
    • † Neoeridotrypella pulchra
  • † Neospirifer
  • † Neurograptus
    • † Neurograptus margaritatus
  • † Niobe – tentative report
  • † Nuculopsis
    • † Nuculopsis montpelierensis – type locality for species

O
  • † Obolus
  • † Oelandiella
    • † Oelandiella aequa – type locality for species
  • † Ogygopsis
    • † Ogygopsis magna – type locality for species
    • † Ogygopsis typicalis
  • Fossil of the Cambrian trilobite Olenoides
    † Olenoides
    • † Olenoides maladensis
  • † Orbiculoidea
    • † Orbiculoidea missouriensis
    • † Orbiculoidea wyomingensis
  • † Orbinaria
  • † Orthograptus
    • † Orthograptus calcaratus
    • † Orthograptus pageanus
    • † Orthograptus quadrimucronatus
    • † Orthograptus truncatus
    • † Orthograptus whitfieldi
  • † Orthoretiolites
    • † Orthoretiolites hami
  • † Orthotetes
    • † Orthotetes kaskaskiensis
  • † Orthotheca
    • † Orthotheca sola
  • † Oryctocara – type locality for genus
    • † Oryctocara geikei
    • † Oryctocara geikiei – type locality for species
  • † Oryctocare
  • † Oryctocephalites
    • † Oryctocephalites typicalis – type locality for species
  • † Oryctocephalus
    • † Oryctocephalus maladensis – type locality for species
    • † Oryctocephalus walcotti – type locality for species
  • † Ovatia
  • † Overtonia

P
  • † Pachyaspis
    • † Pachyaspis typicalis – type locality for species
  • † Pachycranium
    • † Pachycranium faciclunis – type locality for species
  • † Paenebeltella
    • † Paenebeltella vultulata – type locality for species
  • Fossil of the Cambrian trilobite Pagetia
    † Pagetia
    • † Pagetia clytia
    • † Pagetia fossula – type locality for species
    • † Pagetia maladensis – type locality for species
    • † Pagetia rugosa
  • † Palaeacis
    • † Palaeacis cuneiformis
  • Palaeoaplysina
  • † Palaeocoryne
  • † Palaeoneilo
    • † Palaeoneilo mcchesneyana – type locality for species
  • † Paleocoryne
  • † Parahystricurus
    • † Parahystricurus carinatus – type locality for species
    • † Parahystricurus fraudator – type locality for species
    • † Parahystricurus oculirotundus – type locality for species
    • † Parahystricurus pustulosus – type locality for species
  • † Paraorthograptus
    • † Paraorthograptus pacificus
  • † Parisograptus
    • † Parisograptus caduceus
  • † Paterina
    • † Paterina hirta – type locality for species
  • Illustration of a fossilized shell in multiple views of the Paleozoic mollusc Pelagiella.
    † Pelagiella
  • † Peltabellia
    • † Peltabellia peltabella – type locality for species
  • † Peneckiella
  • † Penniretepora
  • † Pericyclus
    • † Pericyclus decipiens – type locality for species
  • † Permastraea
    • † Permastraea solida
  • † Peronopsis
    • † Peronopsis bonnerensis
  • † Perrinites
    • † Perrinites hilli
  • † Petalograptus
    • † Petalograptus minor
  • † Petigurus – tentative report
  • Fossil of the Early Ordovician graptolite Phyllograptus
    † Phyllograptus
    • † Phyllograptus angustifolius
    • † Phyllograptus anna
    • † Phyllograptus ilicifolius
  • † Pilekia – tentative report
  • † Plaesiomys
    • † Plaesiomys subquadrata
  • † Platyceras
  • † Platycrinites
  • † Platycrinus
  • Fossilized shell of the Middle Ordovician-Silurian brachiopod Platystrophia
    † Platystrophia
    • † Platystrophia equiconvexa – or unidentified comparable form
  • † Pleurograptus
    • † Pleurograptus linearis
  • † Polidevcia
    • † Polidevcia obesa
  • † Poliella
    • † Poliella anteros
    • † Poliella caranus
  • † Politicurus
    • † Politicurus politus – type locality for species
  • † Polypora
  • † Poulsenia
    • † Poulsenia granosa – type locality for species
    • † Poulsenia occidens – type locality for species
  • † Primaspis
  • † Prodentalium
    • † Prodentalium canna
  • Restoration of the Silurian trilobite Proetus
    †Proetus
  • † Prolecanites – tentative report
    • † Prolecanites lyoni
  • † Prospira
    • † Prospira albapinensis – or unidentified comparable form
  • † Protoconchioides
    • † Protoconchioides douli – type locality for species
  • † Protopliomerella
    • † Protopliomerella contracta
  • † Protospongia
  • † Prozacanthoides
    • † Prozacanthoides aequus – type locality for species
    • † Prozacanthoides alatus – type locality for species
    • † Prozacanthoides decorosus – type locality for species
    • † Prozacanthoides exilis – type locality for species
    • † Prozacanthoides optatus – type locality for species
  • † Psalikilopsis
    • † Psalikilopsis cuspidicauda – type locality for species
  • † Psalikilus
    • † Psalikilus typicum – type locality for species
  • † Pseudagnostus
  • † Pseudisograptus
    • † Pseudisograptus dumosus
  • † Pseudobatostomella
    • † Pseudobatostomella decora
    • † Pseudobatostomella kamiensis
  • † Pseudoclelandia
    • † Pseudoclelandia cornupsittaca – type locality for species
    • † Pseudoclelandia fluxafissura – type locality for species
    • † Pseudoclelandia lenisora – type locality for species
  • † Pseudoclimacograptus
    • † Pseudoclimacograptus scharenbergi
  • † Pseudocystophora
    • † Pseudocystophora complexa
  • † Pseudodorlodotia
  • † Pseudogastrioceras
  • † Pseudohystricurus
    • † Pseudohystricurus obesus – type locality for species
    • † Pseudohystricurus orbus – type locality for species
    • † Pseudohystricurus rotundus – type locality for species
  • † Pseudomonotis
  • † Ptarmigania
    • † Ptarmigania agrestis – type locality for species
    • † Ptarmigania altilis – type locality for species
    • † Ptarmigania aurita – type locality for species
    • † Ptarmigania dignata – type locality for species
    • † Ptarmigania exigua – type locality for species
    • † Ptarmigania germana – type locality for species
    • † Ptarmigania natalis – type locality for species
    • † Ptarmigania ornata – type locality for species
    • † Ptarmigania sobrina – type locality for species
  • † Ptychaspis
  • † Pugnoides
    • † Pugnoides quinqueplecis
  • † Punctospirifer
    • † Punctospirifer solidirostris
    • † Punctospirifer transversus
  • † Pyraustocranium
    • † Pyraustocranium orbatum – type locality for species

Q

R
  • † Rafinesquina – tentative report
  • † Rasettia – tentative report
  • † Rectograptus
    • † Rectograptus amplexicaulis
  • † Remopleuridiella
    • † Remopleuridiella caudalimbata – type locality for species
  • † Reteoeraotus
  • † Reteograptus
    • † Reteograptus geinitzianus
    • † Reteograptus pulcherrimus – or unidentified comparable form
  • † Reticulariina
    • † Reticulariina spinosa
  • † Rhipidomella
    • † Rhipidomella arkansana
    • † Rhipidomella diminutiva
    • † Rhipidomella missouriensis
    • † Rhipidomella nevadensis
  • † Rhombopora
  • † Rhynchopora
    • † Rhynchopora taylori – type locality for species
  • † Rhyncopora
  • † Rhynoleichus
    • † Rhynoleichus weeksi
  • † Rossaspis
    • † Rossaspis superciliosa – type locality for species
  • † Rossicurus
  • † Rotopericyclus
    • † Rotopericyclus pinyonensis – type locality for species
  • † Rugosochonetes
    • † Rugosochonetes loganensis – or unidentified comparable form
  • † Ruzhencevia
    • † Ruzhencevia incrustata
  • † Rylstonia

S
  • † Sanguinolites
    • † Sanguinolites carbonaria – type locality for species
  • † Saratogia
  • † Scaphellina – tentative report
  • † Schistometopus – type locality for genus
    • † Schistometopus typicalis – type locality for species
  • † Schizodus
    • † Schizodus bifidus
    • † Schizodus ferrieri – type locality for species
  • † Schizograptus
  • † Schizophoria
    • † Schizophoria depressa
    • † Schizophoria poststriatula – or unidentified comparable form
    • † Schizophoria resupinata
  • † Schuchertella
  • † Scinocephalus
    • † Scinocephalus quadrihastatus – type locality for species
    • † Scinocephalus solitecti – type locality for species
  • Fossil of the Cambrian priapulid worm Selkirkia
    † Selkirkia
    • † Selkirkia spencei
  • † Septopora
  • † Setigerites
  • † Shamovella
  • † Siphonodendron
  • † Spencia
    • † Spencia plena
  • † Sphenosteges
  • † Spirifer
    • † Spirifer albertensis
    • † Spirifer bifurcatus
    • † Spirifer biplicoides
    • † Spirifer brazerianus
    • † Spirifer forbesi
    • † Spirifer osagensis
    • † Spirifer pellaensis
    • † Spirifer rowleyi
  • † Spiriferina
  • † Spirolegoceras – type locality for genus
    • † Spirolegoceras fischeri – type locality for species
  • † Stacheoceras
    • † Stacheoceras sexlobatum – type locality for species
  • † Stachyodes
  • † Stauroholcus
    • † Stauroholcus typicalis
  • † Stenoconites – type locality for genus
    • † Stenoconites idahoensis – type locality for species
  • † Stenolobulites
    • † Stenolobulites simulator – type locality for species
    • † Stenolobulites sinuosus – type locality for species
  • † Stenopora
    • † Stenopora grandis
  • † Straparollus
    • † Straparollus ophirensis
  • † Stratifera
    • † Stratifera brazeriana
  • † Streblochondria
  • † Streblopteria
    • † Streblopteria montpelierensis – type locality for species
  • † Striatifera
  • Fossilized shell of the Ordovician-Silurian brachiopod Strophomena
    † Strophomena
  • † Subglobosochonetes
    • † Subglobosochonetes norquayensis
  • † Sulcoretepora
  • † Symphysurina
    • † Symphysurina illaenoides
  • † Syntrophopsis
    • † Syntrophopsis polita – or unidentified comparable form
    • † Syntrophopsis transversa
  • † Syringopora
    • † Syringopora surcularia
    • † Syringopora surcularis

T
  • † Tabantaloceras
  • † Tabulipora
  • † Taenicephalina
  • † Taenicephalus
  • † Tesselacauda
    • † Tesselacauda depressa – type locality for species
  • † Tetracamera
  • Fossils of the Early-Late Ordovician graptolite Tetragraptus
    † Tetragraptus
    • † Tetragraptus amii
    • † Tetragraptus pseudobigsbyi
    • † Tetragraptus quadribrachiatus
  • † Tetralobula – tentative report
  • † Tetraporinus
  • † Tetrataxis
  • † Thamnopora
  • † Thoracocare
    • † Thoracocare minuta
  • † Timaniella
    • † Timaniella pseudocamerata
  • † Toernquistia – tentative report
  • † Tonkinella
    • † Tonkinella idahoensis – type locality for species
  • † Torynifer
    • † Torynifer cooperensis
    • † Torynifer pseudolineata
  • † Trigonocerca
    • † Trigonocerca typica
  • † Triticites
  • † Tritoechia
  • † Tschussovskenia
    • † Tschussovskenia connorsensis

U
  • † Unispirifer
    • † Unispirifer minnewankensis
  • † Urotheca
    • † Urotheca sampsoni – type locality for species
  • † Utia
    • † Utia curio

V
  • † Vanuxemella
    • † Vanuxemella idahoensis – type locality for species
  • † Vesiculophyllum
  • † Vistoia – tentative report
    • † Vistoia minuta
  • † Vnigripecten
    • † Vnigripecten phosphaticus

W
  • † Werriea
    • † Werriea australis
  • † Wilbernia
  • † Wilkingia
    • † Wilkingia walkeri
  • † Wilsonastraea
    • † Wilsonastraea smithi
  • † Wimanella
    • † Wimanella maladensis – type locality for species
    • † Wimanella nautes
    • † Wimanella rara
    • † Wimanella spencei
  • † Worthenia – tentative report

X
  • † Xenostegium
    • † Xenostegium franklinense – type locality for species
    • † Xenostegium taurus

Y
  • † Yakovlevia
    • † Yakovlevia geniculata – type locality for species
    • † Yakovlevia multistriatus

Z
  • † Zacanthoides
    • † Zacanthoides abbreviatus
    • † Zacanthoides adjunctus
    • † Zacanthoides gradatus
    • † Zacanthoides holopygous
    • † Zacanthoides holopygus
    • † Zacanthoides idahoensis – type locality for species
    • † Zacanthoides sampsoni – type locality for species
    • † Zacanthoides serratus
  • † Zaphrenthis – report made of unidentified related form or using admittedly obsolete nomenclature
    • † Zaphrenthis compressus
  • † Zaphrentites
    • † Zaphrentites spinulosus
  • † Zygospira
    • † Zygospira circularis – or unidentified comparable form
    • † Zygospira lebanonensis – or unidentified comparable form
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References
  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 7 August 2017.
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