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

• †Juresania

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

• †Quadratia
  • †Quadratia hirsutiformis

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

References

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.