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
edit- †Acanthopecten
- †Acidiphorus
- †Advenella
- †Agathiceras
- †Alaskospira
- †Alaskospira dunbari – or unidentified comparable form
- †Albertella
- †Alitaria – tentative report
- †Allosaccus – tentative report
- †Alokistocare
- †Alokistocarella
- †Alokistocarella brighamensis – or unidentified comparable form
- †Amblysiphonella
- †Amblysiphonelloides
- †Ambocoelia – tentative report
- †Amecephalus
- †Ampyx – tentative report
- †Ampyx
- †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 - †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 dissimilis
- †Aviculopecten fimbriatus
- †Aviculopecten occidentalis – or unidentified comparable form
B
edit- †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
- †Biformispira – type locality for genus
- †Biformispira isaacsoni – type locality for species
- †Bighornia
- †Bimuria
- †Blastoidocrinus
- †Blastoidocrinus carchariaedens – or unidentified comparable form
- †Bolbolenellus
- †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 - †Bryorhynchus – report made of unidentified related form or using admittedly obsolete nomenclature
- †Bumastus
- †Buxtonia
- †Buxtonia scabriculoides
- †Buxtonia websteri – or unidentified comparable form
C
edit- †Calycocoelia
- †Calycocoelia typicalis – type locality for species
Fossil of the Early Ordovician-Early Devonian trilobite Calymene - †Camarotoechia – tentative report
- †Cancrinella
- †Carolinites
- †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
- †Cliefdenella
- †Clisiophyllum
- †Clisiophyllum gabbi
- †Clisiophyllum oweni – type locality for species
Fossilized shell of the Late Devonian-Permian brachiopod 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
- †Corymbospongia
- †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 - †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 - †Cyclonema
- †Cyclonema bilix – or unidentified comparable form
- †Cymbidium
- †Cyrtina
- †Cystiphyllum
- †Cystothalamiella
D
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Fossil of the Cambrian trilobite 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 - †Dimeropygiella
- †Diochthofera
- †Diplanus
- †Diplichnites
- †Discomyorthis
- †Discotropis – tentative report
- †Dolerorthis
- †Donaldiella
- †Donaldiella derwiduii – or unidentified comparable form
- †Dorsoscyphus
- †Durhamina
- †Durhamina kenneyi – type locality for species
- †Dyticospirifer
E
edit- †Eccyliopterus
- †Eccyliopterus regularis – or unidentified related form
- †Echinauris
- †Echinoconchus
- †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 - †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
- †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 - †Eurogrewingkia
- †Eusphairica – type locality for genus
- †Eusphairica distubula – type locality for species
F
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Illustration of a fossil of the Cambrian trilobite Fallotaspis - †Favosites
- †Fenestella
- †Fieldaspis
- †Fluctuaria
- †Fomichevella
- †Fomichevella major – or unidentified comparable form
- †Fomichevella nevadensis
G
edit- †Gallatinospongia
- †Girtyocoelia
- †Glassia – tentative report
- †Globonema
- †Globonema niota – or unidentified comparable form
- †Glossopleura
- †Glyptorthis
Life restoration of the Cambrian echinoderm Gogia - †Gogia ojenai – type locality for species
- †Goniostropha
- †Goniostropha bachelieri – or unidentified comparable form
- †Gshelia
- †Gshelia americana – type locality for species
- †Gypidula
H
edit- †Halysites
- †Heintzella
- †Heintzella applegatei – type locality for species
- †Heintzella playfordi
- †Helicoplacus
Life restoration of the Permian Chimaera relative Helicoprion - †Helicotoma
- †Helicotoma griffinorum – type locality for species
- †Heliolites
- †Heliomeroides
- †Hercynella
- †Hercynella bohemica – or unidentified comparable form
- †Heritschiella
- †Heritschioides
- †Heritschioides carneyi – type locality for species
- †Heritschioides hammani – type locality for species
- †Heritschioides wexoi – type locality for species
- †Hesperocoelia
- †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 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
- †Hyalostelia
- †Hyolithes
- †Hystricurus
I
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Fossil of the Middle Ordovician trilobite Illaenus - †Imperatoria
- †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
- †Isorthis – tentative report
Fossil of the Middle-Late Ordovician giant trilobite Isotelus.
K
edit- †Kabyaipecten
- †Karavankina
- †Kawina
- †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 - †Kyphophyllum
- †Kyphophyllum greggi – type locality for species
L
edit- †Langenheimia – type locality for genus
- †Langenheimia klamathensis – type locality for species
- †Laticrura
- †Laticrura erecta – or unidentified related form
- †Leioclema – tentative report
- †Leperditia
- †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 - †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
- †Lissocoelia
- †Lissomarginifera
- †Lithostrotion
Fossil of the Ordovician trilobite Lonchodomas - †Lophospira
- †Lophospira milleri – or unidentified comparable form
- †Lophospira perangulata
- †Loxonema – tentative report
- †Lytvophyllum – tentative report
M
edit- †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
Illustration (lower right, entry 15) of a fossilized shell in front and side views of the Silurian-Late Devonian brachiopod 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
- †Mexicella
- †Mexicella grandoculus
- †Mexicella mexicana
- †Mexicella robusta
- †Mexicella stator – tentative report
- †Michelinia
- †Michelinia nelsoni – type locality for species
- †Micromitra
- †Microryctocara
- †Monocraterion
- †Monodiexodina – tentative report
- †Mooreoceras
- †Mucophyllum
- †Mucophyllum mcintyrei – or unidentified comparable form
- †Murchisonia
- †Murchisonia bilineata – or unidentified comparable form
N
edit- †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 - †Neosyringopora
- †Nephrolenellus
- †Nevadatubuls
- †Nevadatubulus
Fossil of the Cambrian trilobite Nevadella - †Nigribaccinus
- †Nigribaccinus elegans – type locality for species
- †Nigribaccinus giganteus – type locality for species
- †Nigribaccinus nestelli – type locality for species
- †Nileus
- †Nucleospira
- †Nucleospira ventricosa – or unidentified comparable form
- †Nuculavus
- †Nuculites
- †Nyella
- †Nyella clinolimbata – tentative report
O
edit- †Obolella
- †OIenellus
Illustration of a fossil of the Cambrian trilobite 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
- †Orthambonites
- †Orthidiella
- †Orthophyllum – tentative report
- †Orthotetes
- †Orthotichia
- †Oryctocephalites
- †Oryctocephalus
- †Ovatia
P
edit- †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
- †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
- †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
- †Paupospira
- †Paupospira sumnerensis – or unidentified related form
- †Paurorthis
Life restoration of the Cambrian trilobite Peachella - †Peniculauris – report made of unidentified related form or using admittedly obsolete nomenclature
- †Pentamerus
- †Perditocardinia
- †Permophorus
- †Pernopecten
- †Perrinites
- †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 - †Plagiura
- †Plagiura cerops – or unidentified comparable form
- †Plagiura minor
- †Planolites
- †Plasmopora
- †Plasmopora follis – or unidentified comparable form
- †Platyceras
- †Plectatrypa
- †Plectorthis
- †Poleumita
- †Polidevcia
- †Polyplacus
- †Polypora
- †Porefieldia
- †Presbynileus
- †Productus
Restoration of the Silurian trilobite Proetus - †Proexenocrinus
- †Progalerus – tentative report
- †Prosolarium
- †Protocalymene
- †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 - †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
edit- †Radiotrabeculopora
- †Raphispira
- †Raphispira plena – or unidentified comparable form
- †Raymondaspis
- †Remopleurides
- †Remopleuridiella
- †Repinaella
- †Replicoskenidioides
- †Reticulariina – tentative report
- †Rhabdomeson
- †Rhipidomella
- †Rhynchopora
- †Rhysostrophia
- †Rigbyetia
- †Rossoceras
- †Rotellomphalus
- †Rotellomphalus tardus – or unidentified comparable form
- †Ruedemannia
- †Ruedemannia lirata – or unidentified comparable form
- †Ruedemannoceras
- †Rugosochonetes
Fossil of the arthropod burrow ichnogenus Rusophycus
S
edit- †Salopina
- †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 - †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
- †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 - †Symphysurina
- †Syringaxon
- †Syringopora
- †Syspacephalus
- †Syspacephalus granulosus – tentative report
- †Syspacephalus obscurus
- †Syspacephalus variosus – type locality for species
T
edit- †Taphrhelminthopsis
- †Taphrorthis – tentative report
- †Temnodiscus – tentative report
- †Thairoplax
- †Thairoplax merriami – type locality for species
- †Thamniscus – report made of unidentified related form or using admittedly obsolete nomenclature
- †Thamnosia
- †Thompsonella
- †Thompsonella cylindrica – type locality for species
- †Thompsonella rugosa – type locality for species
- †Timaniella
- †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 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
U
editV
edit- †Valcourea
- †Valcourea plana – or unidentified comparable form
- †Verneuilia
- †Volborthella
- †Volocephalina
W
edit- †Waagenoconcha – tentative report
- †Waagenophyllum
- †Waagenophyllum klamathensis – type locality for species
Fossil of the Cambrian trilobite Wanneria - †Waucobella
- †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
edit
Fossilized shells of the ammonoid cephalopod Xenodiscus - †Xenodiscus carbonarius – or unidentified related form
- †Xenostegium
- †Xestotrema
Y
edit- †Yakovlevia
- †Yakovlevia californica – type locality for species
Z
editReferences
edit- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 7 August 2017.
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