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.

Contents

• A
• B
• C
• D
• E
• F
• G
• H
• I
• J
• K
• L
• M
• N
• O
• P
• Q
• R
• S
• T
• U
• V
• W
• X
• Y
• Z
• References

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

• 

  † 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

• 

  † 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

• 

  † 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

• 

  † 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

• 

  † 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

• 

  † 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

• 

  † 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

• 

  † 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

• 

  † 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

• 

  † 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

• 

  † 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

• 

  † 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

• 

  † 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

• 

  † 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

• 

  † 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

• 

  † 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

• 

  † 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

• 

  † 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

• 

  † Phyllograptus
  • † Phyllograptus angustifolius
  • † Phyllograptus anna
  • † Phyllograptus ilicifolius
• † Pilekia – tentative report
• † Plaesiomys
  • † Plaesiomys subquadrata
• † Platyceras
• † Platycrinites
• † Platycrinus

• 

  † 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

• 

  † 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

• 

  † 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

• 

  † 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

• 

  † 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.