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
  • †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

• 

  Mold fossil of a shell of the Early Devonian-Late Triassic bivalve Aviculopecten

  †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

• 

  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
  • †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

• 

  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
  • †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

• 

  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
  • †Lithostrotion pauciradiale

• 

  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
  • †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

• 

  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
  • †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

• 

  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
  • †Volborthella tenuis
• †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

• †Zacanthoides
• †Zacanthopsis
• †Zelophyllum

References

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