List of the Paleozoic life of California

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.

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
  • Fossil of the mysterious Ediacaran organism Aspidella
    †Aspidella – tentative report
  • †Astartella
  • †Atrypa
  • †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
  • Mold fossil of a shell of the Early Devonian-Late Triassic bivalve Aviculopecten
    †Aviculopecten

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
  • Fossil of the Cambrian trilobite Bristolia
    †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
  • Fossil of the Early Ordovician-Early Devonian trilobite Calymene
    †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
  • Fossilized shell of the Late Devonian-Permian brachiopod Composita
    †Composita
  • †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
  • Fossil of the Devonian-Triassic arthropod trackway ichnogenus Cruziana
    †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
  • Fossilized shell of the Permian ammonoid cephalopod Cyclolobus
    †Cyclolobus
    • †Cyclolobus walkeri
  • †Cyclonema
    • †Cyclonema bilix – or unidentified comparable form
  • †Cymbidium
  • †Cyrtina
  • †Cystiphyllum
  • †Cystothalamiella
    • †Cystothalamiella craticula
    • †Cystothalamiella ducta
    • †Cystothalamiella tuboides

D

  • Fossil of the Cambrian trilobite Daguinaspis
    †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
  • Fossil of the Middle Ordovician graptolite Didymograptus
    †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
  • Fossilized shells and restored appearances of the Middle-Late Ordovician nautiloid cephalopod Endoceras
    †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
  • Fossilized shell of the Silurian-Permian sea snail Euomphalus
    †Euomphalus
  • †Eurogrewingkia
    • †Eurogrewingkia penobscotensis
  • †Eusphairica – type locality for genus
    • †Eusphairica distubula – type locality for species

F

  • Illustration of a fossil of the Cambrian trilobite Fallotaspis
    †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
  • Life restoration of the Cambrian echinoderm Gogia
    †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
  • Life restoration of the Permian Chimaera relative Helicoprion
    †Helicoprion
  • †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
  • Fossilized shells of the Ordovician-Carboniferous sea snail Holopea
    †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

  • Fossil of the Middle Ordovician trilobite Illaenus
    †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
  • Fossil of the Middle-Late Ordovician giant trilobite Isotelus.
    †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
  • Illustration of a fossilized shell of the brachiopod Kutorgina
    †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
  • Illustration of a fossilized shell of the Cambrian-Late Ordovician brachiopod Lingulella
    †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
  • Fossil of the Ordovician trilobite Lonchodomas
    †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
  • Illustration (lower right, entry 15) of a fossilized shell in front and side views of the Silurian-Late Devonian brachiopod Meristella
    †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
  • Fossilized shell of the Carboniferous-Permian brachiopod Neospirifer
    †Neospirifer
  • †Neosyringopora
    • †Neosyringopora multattenuata
  • †Nephrolenellus
    • †Nephrolenellus multinodus
  • †Nevadatubuls
    • †Nevadatubuls dunfee
  • †Nevadatubulus
    • †Nevadatubulus dunfee
  • Fossil of the Cambrian trilobite Nevadella
    †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
  • Illustration of a fossil of the Cambrian trilobite Olenellus
    †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
  • †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
  • Life restoration of the Cambrian trilobite Peachella
    †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
  • Fossilized shell of the Ordovician brachiopod Plaesiomys
    †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
  • Restoration of the Silurian trilobite Proetus
    †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
  • Fossil of the mysterious Ediacaran animal Pteridinium
    †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
  • Fossil of the arthropod burrow ichnogenus Rusophycus
    †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
  • Fossilized shell of the Late Ordovician-Late Triassic brachiopod Spirifer
    †Spirifer
  • †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
  • Life restoration of the mysterious Ediacaran animal Swartpuntia
    †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
  • Illustration of a fossil of the Cambrian trilobite Trinodus
    †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
  • †Volocephalina
    • †Volocephalina connexa
    • †Volocephalina contracta

W

  • †Waagenoconcha – tentative report
  • †Waagenophyllum
    • †Waagenophyllum klamathensis – type locality for species
  • Fossil of the Cambrian trilobite Wanneria
    †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

  • Fossilized shells of the ammonoid cephalopod Xenodiscus
    †Xenodiscus
    • †Xenodiscus carbonarius – or unidentified related form
  • †Xenostegium
  • †Xestotrema
    • †Xestotrema pulchrum

Y

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

Z

References

  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved August 7, 2017.