This list of the Paleozoic life of California contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of California and are between 538.8 and 252.17 million years of age.

Contents

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

A

• † Acanthopecten
• † Acidiphorus
  • † Acidiphorus hesperia
• † Advenella
  • † Advenella bifurcata
• † Agathiceras
• † Alaskospira
  • † Alaskospira dunbari – or unidentified comparable form
• † Albertella
  • † Albertella longwelli
• † Alitaria – tentative report
• † Allosaccus – tentative report
• † Alokistocare
• † Alokistocarella
  • † Alokistocarella brighamensis – or unidentified comparable form
• † Amblysiphonella
  • † Amblysiphonella grossa
• † Amblysiphonelloides
  • † Amblysiphonelloides reticulata
  • † Amblysiphonelloides tubulara
• † Ambocoelia – tentative report
• † Amecephalus
  • † Amecephalus arrojosensis
• † Ampyx – tentative report
• † Ampyx
  • † Ampyx compactus
• † Anidanthus
  • † Anidanthus shastensis – type locality for species
• † Annuliconcha
• † Anomalorthis
• † Anoptambonites
  • † Anoptambonites myiomorpheus – type locality for species
  • † Anoptambonites myriomorpheus
• † Antiquatonia
• † Apatolichas
• † Arceodomus
  • † Arceodomus langenheimi – type locality for species
• † Archaeoscyphia
  • † Archaeoscyphia mazourkaensis – type locality for species
• † Arcullina
  • † Arcullina polaris – or unidentified related form
• † Arcuolenellus
  • † Arcuolenellus megafrontalis – or unidentified comparable form

• 

  † Aspidella – tentative report
  • † Aspidella terranovica
• † Astartella
• † Atrypa
  • † Atrypa reticularis
• † Atrypella
  • † Atrypella tenuis – or unidentified comparable form
• † Atrypoidea – tentative report
• † Aulophyllum – tentative report
• † Austinella
  • † Austinella kankakensis – or unidentified related form
  • † Austinella kankakesis – or unidentified related form

• 

  † Aviculopecten
  • † Aviculopecten dissimilis
  • † Aviculopecten fimbriatus
  • † Aviculopecten occidentalis – or unidentified comparable form

B

• † Bakevellia
• † Bathymyonia
  • † Bathymyonia nevadensis – or unidentified comparable form
• † Bayhaium
  • † Bayhaium merriamorum
  • † Bayhaium virginiae – type locality for species
• † Bellefontia
• † Beraunia
  • † Beraunia bifrons – or unidentified comparable form
• † Bicarina
  • † Bicarina petilitornata
• † Biformispira – type locality for genus
  • † Biformispira isaacsoni – type locality for species
• † Bighornia
• † Bimuria
• † Blastoidocrinus
  • † Blastoidocrinus carchariaedens – or unidentified comparable form
• † Bolbolenellus
  • † Bolbolenellus brevispinus
  • † Bolbolenellus euryparia
• † Bonnia
• † Boucotspira – type locality for genus
  • † Boucotspira fimbriata – type locality for species
• † Brachyprion
  • † Brachyprion seretensis – or unidentified comparable form

• 

  † Bristolia
  • † Bristolia anteros
  • † Bristolia brachyomma
  • † Bristolia bristolensis
  • † Bristolia fragilis
  • † Bristolia insolens
  • † Bristolia mohavensis
• † Bryorhynchus – report made of unidentified related form or using admittedly obsolete nomenclature
  • † Bryorhynchus bisulcatum
• † Bumastus
• † Buxtonia
  • † Buxtonia scabriculoides
  • † Buxtonia websteri – or unidentified comparable form

C

• † Calycocoelia
  • † Calycocoelia typicalis – type locality for species

• 

  † Calymene
• † Camarotoechia – tentative report
• † Cancrinella
  • † Cancrinella phosphatica
  • † Cancrinella undata
• † Carolinites
  • † Carolinites genacinaca
  • † Carolinites sibiricus
• † Chalaroschwagerina
  • † Chalaroschwagerina inflata – type locality for species
  • † Chalaroschwagerina obesa – type locality for species
  • † Chalaroschwagerina pulchra – type locality for species
  • † Chalaroschwagerina tumentis – type locality for species
• † Cheilocephalus
• † Chonetes
• † Chonetinella
• † Choristitella
• † Cladopora
• † Clavicosta – tentative report
• † Cleiothyridina
• † Clelandia
  • † Clelandia aspina
  • † Clelandia bispina
• † Cliefdenella
  • † Cliefdenella alaskaensis
• † Clisiophyllum
  • † Clisiophyllum gabbi
  • † Clisiophyllum oweni – type locality for species

• 

  † Composita
  • † Composita grandis – or unidentified comparable form
  • † Composita subtilita – or unidentified comparable form
• † Conchidium
  • † Conchidium biloculare – or unidentified comparable form
• † Conocardium
• † Cordillerastraea
  • † Cordillerastraea inyoensis – type locality for species
• † Cornwallatia
  • † Cornwallatia tabularia
• † Corymbospongia
  • † Corymbospongia adnata
  • † Corymbospongia mica
  • † Corymbospongia perforata
• † Costispinifera – report made of unidentified related form or using admittedly obsolete nomenclature
  • † Costispinifera costata – tentative report
• † Crenulosepta
  • † Crenulosepta delicata – type locality for species
  • † Crenulosepta fusiformis – type locality for species
  • † Crenulosepta inyoensis – type locality for species
  • † Crenulosepta rossi – type locality for species
  • † Crenulosepta wahlmani – type locality for species
• † Crurithyris

• 

  † Cruziana
• † Cuniculinella
  • † Cuniculinella acuta – type locality for species
  • † Cuniculinella ampla – type locality for species
  • † Cuniculinella calx
  • † Cuniculinella extensa – type locality for species
  • † Cuniculinella fusiformis – type locality for species
  • † Cuniculinella mojavensis – type locality for species
  • † Cuniculinella munda – type locality for species
  • † Cuniculinella parva – type locality for species
  • † Cuniculinella solita – type locality for species
  • † Cuniculinella tumida – type locality for species
  • † Cuniculinella ventricosa – type locality for species
• † Cyathactis
  • † Cyathactis gazellensis – type locality for species
• † Cybelurus

• 

  † Cyclolobus
  • † Cyclolobus walkeri
• † Cyclonema
  • † Cyclonema bilix – or unidentified comparable form
• † Cymbidium
• † Cyrtina
• † Cystiphyllum
• † Cystothalamiella
  • † Cystothalamiella craticula
  • † Cystothalamiella ducta
  • † Cystothalamiella tuboides

D

• 

  † Daguinaspis
• † Dalejina
• † Dalmanella
• † Dalmanophyllum
  • † Dalmanophyllum dalmani – or unidentified comparable form
• † Darwasophyllum – tentative report
• † Deacheospira
  • † Deacheospira hotzi – type locality for species
• † Deltopecten – tentative report
• † Derbyia
• † Diacanthaspis
• † Dicellograptus
• † Dicoelosia
  • † Dicoelosia conspicua – or unidentified related form
  • † Dicoelosia jonesridgenesis
  • † Dicoelosia jonesridgensis
• † Dictyoclostus – report made of unidentified related form or using admittedly obsolete nomenclature

• 

  † Didymograptus
  • † Didymograptus protobifidus
• † Dimeropygiella
  • † Dimeropygiella caudanodosa
• † Diochthofera
  • † Diochthofera conspicua
• † Diplanus
  • † Diplanus stanleyi
• † Diplichnites
• † Discomyorthis
• † Discotropis – tentative report
• † Dolerorthis
• † Donaldiella
  • † Donaldiella derwiduii – or unidentified comparable form
• † Dorsoscyphus
  • † Dorsoscyphus johnsoni
• † Durhamina
  • † Durhamina kenneyi – type locality for species
• † Dyticospirifer

E

• † Eccyliopterus
  • † Eccyliopterus regularis – or unidentified related form
• † Echinauris
  • † Echinauris subhorrida
• † Echinoconchus
  • † Echinoconchus punctatus
• † Ectenonotus
  • † Ectenonotus raymondi – or unidentified comparable form
  • † Ectenonotus westoni – or unidentified comparable form
  • † Ectenonotus whittingtoni
• † Ectomaria
  • † Ectomaria callahanensis – type locality for species
  • † Ectomaria prisca
• † Elasmothyris
  • † Elasmothyris limata – type locality for species
• † Encrinurus

• 

  † Endoceras – tentative report
• † Enigmalites
  • † Enigmalites roberti – type locality for species
• † Eofletcheria
• † Eomarginifera
• † Eoparafusulina
  • † Eoparafusulina alta – type locality for species
  • † Eoparafusulina brevis – type locality for species
  • † Eoparafusulina certa – type locality for species
  • † Eoparafusulina contracta – type locality for species
  • † Eoparafusulina cylindrica – type locality for species
  • † Eoparafusulina depressa – type locality for species
  • † Eoparafusulina gracilis
  • † Eoparafusulina linearis
  • † Eoparafusulina minuta – type locality for species
  • † Eoparafusulina modica – type locality for species
  • † Eoparafusulina nitida – type locality for species
  • † Eoparafusulina ovata – type locality for species
  • † Eoparafusulina parva – type locality for species
  • † Eoparafusulina potterensis – type locality for species
  • † Eoparafusulina proba – type locality for species
  • † Eoparafusulina regularis – type locality for species
  • † Eoparafusulina rotunda – type locality for species
  • † Eoparafusulina spissa – type locality for species
  • † Eoparafusulina tarda – type locality for species
  • † Eoparafusulina tenuitheca – type locality for species
  • † Eoparafusulina thompsoni
• † Eotomaria
  • † Eotomaria perryi – type locality for species
• † Epitomyonia
  • † Epitomyonia recilina
  • † Epitomyonia relicina
• † Eridmatus
  • † Eridmatus texanus – or unidentified comparable form
• † Eridorthis
• † Eripnifera – type locality for genus
  • † Eripnifera praecipitis – type locality for species
• † Etheripecten
• † Euconospira
• † Eunema
  • † Eunema strigillatum – or unidentified comparable form
• † Euomphalopterus – tentative report

• 

  † Euomphalus
• † Eurogrewingkia
  • † Eurogrewingkia penobscotensis
• † Eusphairica – type locality for genus
  • † Eusphairica distubula – type locality for species

F

• 

  † Fallotaspis
• † Favosites
• † Fenestella
• † Fieldaspis
• † Fluctuaria
• † Fomichevella
  • † Fomichevella major – or unidentified comparable form
  • † Fomichevella nevadensis

G

• † Gallatinospongia
  • † Gallatinospongia conica
• † Girtyocoelia
  • † Girtyocoelia epiporata
  • † Girtyocoelia tubula
• † Glassia – tentative report
• † Globonema
  • † Globonema niota – or unidentified comparable form
• † Glossopleura
  • † Glossopleura lodensis
  • † Glossopleura walcotti
• † Glyptorthis

• 

  † Gogia
  • † Gogia ojenai – type locality for species
• † Goniostropha
  • † Goniostropha bachelieri – or unidentified comparable form
• † Gshelia
  • † Gshelia americana – type locality for species
• † Gypidula

H

• † Halysites
• † Heintzella
  • † Heintzella applegatei – type locality for species
  • † Heintzella playfordi
• † Helicoplacus
  • † Helicoplacus gilberti

• 

  † Helicoprion
  • † Helicoprion davisii
• † Helicotoma
  • † Helicotoma griffinorum – type locality for species
• † Heliolites
• † Heliomeroides
• † Hercynella
  • † Hercynella bohemica – or unidentified comparable form
• † Heritschiella
  • † Heritschiella girtyi
• † Heritschioides
  • † Heritschioides carneyi – type locality for species
  • † Heritschioides hammani – type locality for species
  • † Heritschioides wexoi – type locality for species
• † Hesperocoelia
  • † Hesperocoelia undulata
• † Hesperorthis
  • † Hesperorthis dubia – or unidentified comparable form
  • † Hesperorthis evenkiensis
• † Heterocaninia
  • † Heterocaninia langenheimi – type locality for species

• 

  † Holopea
  • † Holopea brucei – type locality for species
  • † Holopea elizabethi – type locality for species
  • † Holopea glindmeyeri – type locality for species
  • † Holopea symmetrica – or unidentified comparable form
• † Hormotoma
• † Howellella
  • † Howellella smithi – or unidentified comparable form
• † Hustedia
  • † Hustedia compressa
• † Hyalostelia
• † Hyolithes
• † Hystricurus

I

• 

  † Illaenus
• † Imperatoria
  • † Imperatoria irregularis
  • † Imperatoria media
  • † Imperatoria mega
  • † Imperatoria minima
• † Ingria
• † Inyoschwagerina
  • † Inyoschwagerina elayeri – type locality for species
  • † Inyoschwagerina elongata – type locality for species
  • † Inyoschwagerina inflata – type locality for species
  • † Inyoschwagerina linderae – type locality for species
  • † Inyoschwagerina magnifica – type locality for species
  • † Inyoschwagerina mira – type locality for species
  • † Inyoschwagerina rotunda – type locality for species
  • † Inyoschwagerina turgida
• † Ischyrotoma
• † Iskutella
  • † Iskutella fergusoni – type locality for species
• † Isogramma
  • † Isogramma pachti
• † Isorthis – tentative report

• 

  † Isotelus
  • † Isotelus spurius

K

• † Kabyaipecten
• † Karavankina
• † Kawina
  • † Kawina scrobiculus
• † Kirkirhynchus
  • † Kirkirhynchus reesidei – or unidentified comparable form
• † Kitakamithyris
• † Klamathastraea – type locality for genus
  • † Klamathastraea dilleri – type locality for species
• † Klamathina
  • † Klamathina elongata – type locality for species
  • † Klamathina simplex – type locality for species
  • † Klamathina singularis – type locality for species
• † Kleopatrina – type locality for genus
  • † Kleopatrina mccloudensis – type locality for species
  • † Kleopatrina raubae – type locality for species
• † Komiella
  • † Komiella ostiolata – or unidentified comparable form
• † Krotovia

• 

  † Kutorgina
• † Kyphophyllum
  • † Kyphophyllum greggi – type locality for species

L

• † Langenheimia – type locality for genus
  • † Langenheimia klamathensis – type locality for species
• † Laticrura
  • † Laticrura erecta – or unidentified related form
• † Leioclema – tentative report
• † Leperditia
  • † Leperditia bivia
• † Leptellina
• † Leptodus
  • † Leptodus nobilis – or unidentified related form
• † Leptostrophia – tentative report
• † Leptotriticites
  • † Leptotriticites americanus – or unidentified related form
  • † Leptotriticites californicus
  • † Leptotriticites glenensis
  • † Leptotriticites gracilitatus – or unidentified comparable form
  • † Leptotriticites hatchetensis – or unidentified related form
  • † Leptotriticites hughesensis – or unidentified comparable form
  • † Leptotriticites koschmanni – or unidentified comparable form
  • † Leptotriticites panamintensis – type locality for species
  • † Leptotriticites varius – or unidentified comparable form
  • † Leptotriticites warmspringensis – type locality for species
  • † Leptotriticites wetherensis
• † Lingula

• 

  † Lingulella
• † Linoproductus
  • † Linoproductus nasutus – tentative report
• † Linsleyella – type locality for genus
  • † Linsleyella greggi – type locality for species
  • † Linsleyella johnsoni – type locality for species
• † Liosotella
  • † Liosotella cooperi – type locality for species
• † Liospira
  • † Liospira modesta
• † Lissocoelia
  • † Lissocoelia ramosa
• † Lissomarginifera
  • † Lissomarginifera shastensis
• † Lithostrotion
  • † Lithostrotion pauciradiale

• 

  † Lonchodomas
• † Lophospira
  • † Lophospira milleri – or unidentified comparable form
  • † Lophospira perangulata
• † Loxonema – tentative report
• † Lytvophyllum – tentative report

M

• † Maclurites
  • † Maclurites crassa – or unidentified related form
  • † Maclurites klamathensis – type locality for species
• † Malpaisia – type locality for genus
  • † Malpaisia maceyi – type locality for species
• † Meekella
• † Megakozlowskiella
• † Megalomphala – tentative report
  • † Megalomphala contorta

• 

  † Meristella
  • † Meristella robertsensis – or unidentified comparable form
• † Mesocoelia
  • † Mesocoelia janus – or unidentified comparable form
• † Mesodouvillina – tentative report
• † Mestoronema
  • † Mestoronema marginalis – or unidentified comparable form
• † Mexicaspis
  • † Mexicaspis radiatus
• † Mexicella
  • † Mexicella grandoculus
  • † Mexicella mexicana
  • † Mexicella robusta
  • † Mexicella stator – tentative report
• † Michelinia
  • † Michelinia nelsoni – type locality for species
• † Micromitra
• † Microryctocara
  • † Microryctocara nevadensis
• † Monocraterion
• † Monodiexodina – tentative report
• † Mooreoceras
• † Mucophyllum
  • † Mucophyllum mcintyrei – or unidentified comparable form
• † Murchisonia
  • † Murchisonia bilineata – or unidentified comparable form

N

• † Neilsonia
• † Neochonetes
  • † Neochonetes pseudoliratus – or unidentified related form
• † Neomultithecopora
  • † Neomultithecopora mccutcheonae
  • † Neomultithecopora providensis – type locality for species
  • † Neomultithecopora sandoi – type locality for species

• 

  † Neospirifer
• † Neosyringopora
  • † Neosyringopora multattenuata
• † Nephrolenellus
  • † Nephrolenellus multinodus
• † Nevadatubuls
  • † Nevadatubuls dunfee
• † Nevadatubulus
  • † Nevadatubulus dunfee

• 

  † Nevadella
• † Nigribaccinus
  • † Nigribaccinus elegans – type locality for species
  • † Nigribaccinus giganteus – type locality for species
  • † Nigribaccinus nestelli – type locality for species
• † Nileus
  • † Nileus hesperaffinis
• † Nucleospira
  • † Nucleospira ventricosa – or unidentified comparable form
• † Nuculavus
• † Nuculites
• † Nyella
  • † Nyella clinolimbata – tentative report

O

• † Obolella
• † OIenellus
  • † OIenellus gilberti

• 

  † Olenellus
  • † Olenellus arcuatus
  • † Olenellus clarki
  • † Olenellus cylindricus
  • † Olenellus euryparia
  • † Olenellus fowleri – or unidentified comparable form
  • † Olenellus frementi
  • † Olenellus fremonti
  • † Olenellus gilberti
  • † Olenellus howelli
  • † Olenellus multinodus
  • † Olenellus nevadensis
  • † Olenellus puertoblancoensis
  • † Olenellus terminatus
  • † Olenellus transifans – or unidentified comparable form
  • † Olenellus transiftans – or unidentified comparable form
  • † Olenellus transitans – or unidentified comparable form
  • † Olenellus turmalis – or unidentified comparable form
• † Omphalotrochus
  • † Omphalotrochus whitneyi – type locality for species
• † Onchocephalites
  • † Onchocephalites claytonensis – type locality for species
  • † Onchocephalites laevis
• † Ophiletina
  • † Ophiletina sublaxa – or unidentified related form
• † Orbiculoidea
  • † Orbiculoidea damanensis
• † Orthambonites
  • † Orthambonites decipiens
  • † Orthambonites eucharis
  • † Orthambonites mazousbensis
  • † Orthambonites minisculus
  • † Orthambonites minusculus
  • † Orthambonites patulus
• † Orthidiella
  • † Orthidiella extensa
• † Orthophyllum – tentative report
• † Orthotetes
• † Orthotichia
  • † Orthotichia nawtawaketensis
• † Oryctocephalites
  • † Oryctocephalites resseri
• † Oryctocephalus
  • † Oryctocephalus indicus
  • † Oryctocephalus nyensis
  • † Oryctocephalus orientalis
• † Ovatia

P

• † Pachystrophia – tentative report
  • † Pachystrophia devexa – or unidentified comparable form
• † Pacificocoelia
• † Paladin
• Palaeoaplysina
• † Palaeomphalus
  • † Palaeomphalus olsoni – type locality for species
• † Palaeophycus
• † Palaeophyllum
• † Paleochiton
  • † Paleochiton siskiyouensis – type locality for species
• † Palliseria
• † Paraantagmus
  • † Paraantagmus latus
• † Parafusulina
  • † Parafusulina bakeri – or unidentified comparable form
  • † Parafusulina californica
  • † Parafusulina cerrogordoensis – type locality for species
  • † Parafusulina complexa – type locality for species
  • † Parafusulina durhami – or unidentified related form
  • † Parafusulina halli – type locality for species
  • † Parafusulina juncea – type locality for species
  • † Parafusulina klamathensis – type locality for species
  • † Parafusulina maleyi
  • † Parafusulina mccloudensis – type locality for species
  • † Parafusulina nosonensis
  • † Parafusulina owensensis – type locality for species
  • † Parafusulina potterensis – type locality for species
  • † Parafusulina shaksgamensis – or unidentified comparable form
  • † Parafusulina splendens
  • † Parafusulina ubehebensis – type locality for species
  • † Parafusulina virga
• † Paraheritschioides
  • † Paraheritschioides californiense – or unidentified related form
  • † Paraheritschioides stevensi – type locality for species
• † Paralbertella
• † Paralenorthis
  • † Paralenorthis marshalli
  • † Paralenorthis parcicrassicostatus – or unidentified comparable form
  • † Paralenorthis parvicrassicostata – or unidentified comparable form
  • † Paralenorthis parvicrassicostatus – or unidentified comparable form
• † Paraliospira – type locality for genus
  • † Paraliospira angulata
  • † Paraliospira gradata – type locality for species
  • † Paraliospira helena
  • † Paraliospira mundula
  • † Paraliospira planata – type locality for species
• † Parallelodon
  • † Parallelodon cingulatus
  • † Parallelodon qinghaiensis
  • † Parallelodon verneuilianus
• † Paramesolobus – tentative report
  • † Paramesolobus sinuosus – or unidentified comparable form
• † Pararachnastraea
  • † Pararachnastraea bellula – type locality for species
  • † Pararachnastraea delicata – type locality for species
  • † Pararachnastraea mckibbinae – type locality for species
  • † Pararachnastraea owensensis – type locality for species
  • † Pararachnastraea peggyae – type locality for species
  • † Pararachnastraea wilsoni – type locality for species
• † Paraschwagerina
  • † Paraschwagerina crassitheca – type locality for species
  • † Paraschwagerina elongata – type locality for species
  • † Paraschwagerina fairbanksi – type locality for species
  • † Paraschwagerina fax
  • † Paraschwagerina magna – type locality for species
  • † Paraschwagerina tarda – type locality for species
• † Patellispongia
  • † Patellispongia oculata – or unidentified comparable form
• † Patriaspirifer
  • † Patriaspirifer kobehana
• † Paupospira
  • † Paupospira sumnerensis – or unidentified related form
• † Paurorthis

• 

  † Peachella
  • † Peachella brevispina
  • † Peachella iddingsi
• † Peniculauris – report made of unidentified related form or using admittedly obsolete nomenclature
  • † Peniculauris bassi
• † Pentamerus
• † Perditocardinia
• † Permophorus
• † Pernopecten
• † Perrinites
  • † Perrinites hilli
• † Peruniscus
• † Petalaxis
  • † Petalaxis allisonae – type locality for species
  • † Petalaxis besti – type locality for species
  • † Petalaxis exiguus – type locality for species
  • † Petalaxis occidentalis
  • † Petalaxis sutherlandi – type locality for species
• † Petrozium
  • † Petrozium staufferi – type locality for species
• † Phillipsia
  • † Phillipsia nosonensis – type locality for species
• † Pholidops
• † Phragmorthis
  • † Phragmorthis buttsi – or unidentified comparable form
• † Phricodothyris
• † Phyllograptus

• 

  † Plaesiomys
• † Plagiura
  • † Plagiura cerops – or unidentified comparable form
  • † Plagiura minor
• † Planolites
• † Plasmopora
  • † Plasmopora follis – or unidentified comparable form
• † Platyceras
• † Plectatrypa
• † Plectorthis
  • † Plectorthis mazourkaensis
  • † Plectorthis patula
• † Poleumita
  • † Poleumita octavia
• † Polidevcia
• † Polyplacus
  • † Polyplacus kilmeri
• † Polypora
• † Porefieldia
  • † Porefieldia robusta
• † Presbynileus
• † Productus
  • † Productus keokuk

• 

  † Proetus
• † Proexenocrinus
  • † Proexenocrinus inyoensis
• † Progalerus – tentative report
• † Prosolarium
• † Protocalymene
  • † Protocalymene mcallisteri
• † Protowentzelella – type locality for genus
  • † Protowentzelella cystosa
  • † Protowentzelella kunthi
  • † Protowentzelella noinskyi
  • † Protowentzelella shastensis – type locality for species
  • † Protowentzelella variabilis – type locality for species
• † Proturritella
  • † Proturritella historicum – or unidentified related form
• † Pseudocheirurus
• † Pseudochusenella
  • † Pseudochusenella buttensis – type locality for species
  • † Pseudochusenella concisa
  • † Pseudochusenella hazzardi – type locality for species
• † Pseudocystophora
  • † Pseudocystophora fryi – type locality for species
  • † Pseudocystophora wilsoni – type locality for species
• † Pseudofusulina
  • † Pseudofusulina accepta – type locality for species
  • † Pseudofusulina acuta – type locality for species
  • † Pseudofusulina amoena – type locality for species
  • † Pseudofusulina ardua – type locality for species
  • † Pseudofusulina attenuata – type locality for species
  • † Pseudofusulina concisa – type locality for species
  • † Pseudofusulina contracta – type locality for species
  • † Pseudofusulina decora – type locality for species
  • † Pseudofusulina distorta – type locality for species
  • † Pseudofusulina elleryensis – type locality for species
  • † Pseudofusulina eximia – type locality for species
  • † Pseudofusulina extensa – type locality for species
  • † Pseudofusulina juncea – type locality for species
  • † Pseudofusulina laxa – type locality for species
  • † Pseudofusulina meeki – type locality for species
  • † Pseudofusulina minuta – type locality for species
  • † Pseudofusulina modesta – type locality for species
  • † Pseudofusulina monstrosa – type locality for species
  • † Pseudofusulina plana – type locality for species
  • † Pseudofusulina retusa – type locality for species
  • † Pseudofusulina solita – type locality for species
  • † Pseudofusulina soluta – type locality for species
  • † Pseudofusulina spissa – type locality for species
  • † Pseudofusulina tenuis – type locality for species
  • † Pseudofusulina tenuitheca – type locality for species
• † Pseudofusulinella
  • † Pseudofusulinella aculeata – type locality for species
  • † Pseudofusulinella acuminata – type locality for species
  • † Pseudofusulinella acuta – type locality for species
  • † Pseudofusulinella alta – type locality for species
  • † Pseudofusulinella antiqua – type locality for species
  • † Pseudofusulinella bellula – type locality for species
  • † Pseudofusulinella biconica – type locality for species
  • † Pseudofusulinella decora – type locality for species
  • † Pseudofusulinella delicata – type locality for species
  • † Pseudofusulinella dunbari – type locality for species
  • † Pseudofusulinella formosa – type locality for species
  • † Pseudofusulinella fragilis – type locality for species
  • † Pseudofusulinella fusiformis – type locality for species
  • † Pseudofusulinella harbaughi – type locality for species
  • † Pseudofusulinella meeki – type locality for species
  • † Pseudofusulinella montis
  • † Pseudofusulinella moorei – type locality for species
  • † Pseudofusulinella munda – type locality for species
  • † Pseudofusulinella nitida – type locality for species
  • † Pseudofusulinella obtusa – type locality for species
  • † Pseudofusulinella occidentalis
  • † Pseudofusulinella opima – type locality for species
  • † Pseudofusulinella parvula – type locality for species
  • † Pseudofusulinella pinguis – type locality for species
  • † Pseudofusulinella prima – type locality for species
  • † Pseudofusulinella proba – type locality for species
  • † Pseudofusulinella pulchella – type locality for species
  • † Pseudofusulinella retusa – type locality for species
  • † Pseudofusulinella rotunda – type locality for species
  • † Pseudofusulinella sera – type locality for species
  • † Pseudofusulinella simplex – type locality for species
  • † Pseudofusulinella solida – type locality for species
  • † Pseudofusulinella solita – type locality for species
  • † Pseudofusulinella spicata – type locality for species
  • † Pseudofusulinella splendens – type locality for species
  • † Pseudofusulinella thompsoni – type locality for species
  • † Pseudofusulinella tumida – type locality for species
  • † Pseudofusulinella ventricosa – type locality for species
  • † Pseudofusulinella venusta – type locality for species
  • † Pseudofusulinella wheeleri – type locality for species
• † Pseudomera
  • † Pseudomera barrandei – or unidentified comparable form
• † Pseudoschwagerina
  • † Pseudoschwagerina arta
  • † Pseudoschwagerina californica – type locality for species
  • † Pseudoschwagerina gerontica – or unidentified comparable form
  • † Pseudoschwagerina robusta
  • † Pseudoschwagerina roeseleri
  • † Pseudoschwagerina uddeni
• † Ptarmiganoides
  • † Ptarmiganoides hexacantha
  • † Ptarmiganoides propiqua – or unidentified comparable form

• 

  † Pteridinium – tentative report
• † Ptychocaulus
  • † Ptychocaulus rodneyi – type locality for species
• † Ptychopleurella
  • † Ptychopleurella mediocostata – or unidentified comparable form
  • † Ptychopleurella uniplicata – or unidentified related form
• † Ptyocephalus
  • † Ptyocephalus declevita – or unidentified comparable form
• † Punctospirifer

R

• † Radiotrabeculopora
  • † Radiotrabeculopora reticulata
• † Raphispira
  • † Raphispira plena – or unidentified comparable form
• † Raymondaspis
  • † Raymondaspis vespertina
• † Remopleurides
• † Remopleuridiella
• † Repinaella
• † Replicoskenidioides
  • † Replicoskenidioides rodneygreggi
• † Reticulariina – tentative report
  • † Reticulariina laxa
• † Rhabdomeson
• † Rhipidomella
• † Rhynchopora
  • † Rhynchopora taylori
• † Rhysostrophia
  • † Rhysostrophia nevadensis
  • † Rhysostrophia occidentalis
• † Rigbyetia
  • † Rigbyetia obconica
• † Rossoceras
• † Rotellomphalus
  • † Rotellomphalus tardus – or unidentified comparable form
• † Ruedemannia
  • † Ruedemannia lirata – or unidentified comparable form
• † Ruedemannoceras
• † Rugosochonetes
  • † Rugosochonetes californicus
  • † Rugosochonetes californucus

• 

  † Rusophycus

S

• † Salopina
  • † Salopina horseshoensis
• † Sandolasma
  • † Sandolasma mckassoni – type locality for species
  • † Sandolasma stonei
• † Scaphorthis
• † Schistometopus
• † Schizodus
• † Schizonema
  • † Schizonema nisis – or unidentified comparable form
• † Schizophoria
  • † Schizophoria bisinuata – or unidentified comparable form
  • † Schizophoria compacta – or unidentified comparable form
• † Schubertella
  • † Schubertella kingi
  • † Schubertella minuta – type locality for species
  • † Schubertella pusilla – type locality for species
• † Schuchertella
• † Schwagerina
  • † Schwagerina aculeata
  • † Schwagerina acuminata – type locality for species
  • † Schwagerina amoena – type locality for species
  • † Schwagerina arta – type locality for species
  • † Schwagerina aspera – type locality for species
  • † Schwagerina astricta – type locality for species
  • † Schwagerina bassensis – type locality for species
  • † Schwagerina bayhaensis – type locality for species
  • † Schwagerina biconica – type locality for species
  • † Schwagerina birklundensis – type locality for species
  • † Schwagerina concinna – type locality for species
  • † Schwagerina convexa
  • † Schwagerina corpulenta – type locality for species
  • † Schwagerina curta – type locality for species
  • † Schwagerina cylindrica – type locality for species
  • † Schwagerina davisi – or unidentified comparable form
  • † Schwagerina demissa – type locality for species
  • † Schwagerina elkoensis – or unidentified comparable form
  • † Schwagerina eximia – type locality for species
  • † Schwagerina fiski – type locality for species
  • † Schwagerina harbaughi – type locality for species
  • † Schwagerina humilis – type locality for species
  • † Schwagerina juncea – type locality for species
  • † Schwagerina klamathensis – type locality for species
  • † Schwagerina laudoni – type locality for species
  • † Schwagerina longissimoidea
  • † Schwagerina mccloudensis – type locality for species
  • † Schwagerina menziesi – or unidentified comparable form
  • † Schwagerina modica
  • † Schwagerina moorei – type locality for species
  • † Schwagerina providens
  • † Schwagerina providnes
  • † Schwagerina pseudoprinceps – type locality for species
  • † Schwagerina pugunculus – or unidentified comparable form
  • † Schwagerina pulchella – type locality for species
  • † Schwagerina remissa – type locality for species
  • † Schwagerina rotunda – type locality for species
  • † Schwagerina schencki – type locality for species
  • † Schwagerina soluta – type locality for species
  • † Schwagerina spicata – type locality for species
  • † Schwagerina turgida – type locality for species
  • † Schwagerina ventricosa – type locality for species
  • † Schwagerina vervillei
  • † Schwagerina wellsensis – or unidentified comparable form
  • † Schwagerina wheeleri – type locality for species
• † Scolithes
• † Semicostella
• † Septospirifer – tentative report
• † Setigerites
• † Shamovella
• † Shastalasma
  • † Shastalasma coogani – type locality for species
  • † Shastalasma gavini – type locality for species
  • † Shastalasma woodi – type locality for species
• † Shastaphyllum – type locality for genus
  • † Shastaphyllum schucherti – type locality for species
• † Sigmelasma – type locality for genus
  • † Sigmelasma pantherae – type locality for species
• † Siskiyouspira – type locality for genus
  • † Siskiyouspira vostokovae – type locality for species
• † Skenidioides
  • † Skenidioides glindmeyeri – type locality for species
  • † Skenidioides mulifarius
  • † Skenidioides multifarius
• † Skinnerella
  • † Skinnerella davydovi – type locality for species
  • † Skinnerella hexagona – type locality for species
  • † Skinnerella mcallisteri – type locality for species
• † Spinuliplica
• † Spinulothele

• 

  † Spirifer
  • † Spirifer brazerianus
• † Spiriferella
• † Spiriferellina
• † Spiriferina – tentative report
• † Squamularia – report made of unidentified related form or using admittedly obsolete nomenclature
• † Stacheoceras
  • † Stacheoceras antiquum – or unidentified related form
  • † Stacheoceras gordoni – type locality for species
• † Stearoceras
  • † Stearoceras phosphoriense – or unidentified related form
• † Stenoloron – tentative report
  • † Stenoloron fasciata – or unidentified related form
• † Stenoscisma
  • † Stenoscisma venustum
• † Stereostylus
  • † Stereostylus bollibokkensis – type locality for species
• † Stewartina
  • † Stewartina convexa
  • † Stewartina magnifica – type locality for species
  • † Stewartina multispira
  • † Stewartina texana
  • † Stewartina uber
  • † Stewartina ultimata – type locality for species
• † Straparollus
• † Streblochondria
• † Streblopteria
• † Streptelasma
• † Streptosolen
• † Striatifera
• † Striatopora – tentative report
  • † Striatopora gwenensis – or unidentified comparable form
• † Stricklandia – tentative report
• † Strigigenalis
• † Stylonema
  • † Stylonema potens – or unidentified comparable form
• † Swantonia

• 

  † Swartpuntia – or unidentified comparable form
• † Symphysurina
• † Syringaxon
• † Syringopora
• † Syspacephalus
  • † Syspacephalus granulosus – tentative report
  • † Syspacephalus obscurus
  • † Syspacephalus variosus – type locality for species

T

• † Taphrhelminthopsis
  • † Taphrhelminthopsis nelsoni
• † Taphrorthis – tentative report
• † Temnodiscus – tentative report
  • † Temnodiscus euryomphalus
• † Thairoplax
  • † Thairoplax merriami – type locality for species
• † Thamniscus – report made of unidentified related form or using admittedly obsolete nomenclature
• † Thamnosia
  • † Thamnosia arctica
• † Thompsonella
  • † Thompsonella cylindrica – type locality for species
  • † Thompsonella rugosa – type locality for species
• † Timaniella
  • † Timaniella pseudocamerata
• † Tonopahella – type locality for genus
  • † Tonopahella goldfieldensis – type locality for species
  • † Tonopahella walcotti
• † Torynifer
• † Trematospira
• † Trepospira

• 

  † Trinodus
  • † Trinodus clusus – or unidentified comparable form
• † Triticites
  • † Triticites bensonensis
  • † Triticites brevis – type locality for species
  • † Triticites burgessae – or unidentified comparable form
  • † Triticites buttensis
  • † Triticites californicus
  • † Triticites cellamagnus
  • † Triticites elegantoides
  • † Triticites gigantocellus
  • † Triticites hermanni – type locality for species
  • † Triticites invenustus – type locality for species
  • † Triticites muddiensis
  • † Triticites mulleri – type locality for species
  • † Triticites occidentalis – type locality for species
  • † Triticites schencki – type locality for species
  • † Triticites tumentis – type locality for species
  • † Triticites usitatus – type locality for species
  • † Triticites ventricosus – or unidentified related form
  • † Triticites viribus – type locality for species
• † Trocholites – tentative report
• † Trochonema
  • † Trochonema liljevalli – type locality for species
• † Trochonemella – tentative report
  • † Trochonemella mikulici – type locality for species
• † Tschussovskenia
  • † Tschussovskenia connorsensis

U

• † Unispirifer

V

• † Valcourea
  • † Valcourea plana – or unidentified comparable form
• † Verneuilia
• † Volborthella
  • † Volborthella tenuis
• † Volocephalina
  • † Volocephalina connexa
  • † Volocephalina contracta

W

• † Waagenoconcha – tentative report
• † Waagenophyllum
  • † Waagenophyllum klamathensis – type locality for species

• 

  † Wanneria
• † Waucobella
  • † Waucobella nelsoni
• † Wellerella
  • † Wellerella hemiplicata – or unidentified comparable form
  • † Wellerella rotunda – or unidentified comparable form
• † Wenkchemnia
  • † Wenkchemnia spinicollus – tentative report
  • † Wenkchemnia sulcata
• † Westgardia
  • † Westgardia gigantea – type locality for species
• † Wexolina – type locality for genus
  • † Wexolina tombstonensis – type locality for species
• † Whitfieldella – tentative report
• † Wilsonastraea – type locality for genus
  • † Wilsonastraea fluvius – type locality for species
  • † Wilsonastraea parva – type locality for species
  • † Wilsonastraea smithi – type locality for species
• † Wintunastraea – type locality for genus
  • † Wintunastraea stanleyi – type locality for species
• † Wyattia

X

• 

  † Xenodiscus
  • † Xenodiscus carbonarius – or unidentified related form
• † Xenostegium
• † Xestotrema
  • † Xestotrema pulchrum

Y

• † Yakovlevia
  • † Yakovlevia californica – type locality for species

Z

• † Zacanthoides
• † Zacanthopsis
• † Zelophyllum

References

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database" . Retrieved 7 August 2017.{{cite web}}: |author= has generic name (help)