This list of the Mesozoic 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 252.17 and 66 million years of age.
A
- †Abyssochrysos – tentative report
- †Abyssochrysos giganteum – type locality for species
- †Acaeniotyle
- †Acaeniotyle umbilicata – or unidentified related form
- †Acanthoceras
- †Acanthoceras rhotomagense – or unidentified related form
- †Acanthoceras roguense – or unidentified related form
- †Acanthoceras sherborni – or unidentified comparable form
- †Acanthocircus
- †Acanthocircus aculeatus
- †Acanthocircus carinatus – or unidentified related form
- †Acanthocircus dendroacanthos
- †Acanthocircus dicranocanthos
- †Acanthocircus meyerhofforum
- †Acanthocircus multidentatus
- †Acanthocircus polymorphus
- †Acanthocircus suboblongus
- †Acanthocircus trizonalis
- Acanthosphaera – tentative report
- †Acanthosphaera lucida
- †Acastea
- †Acastea acer
- †Acastea bipes
- †Acastea dura
- †Acastea incontraria
- †Acastea remusa
- †Acastea tenuis
- Acesta
- Acharax
- †Acharax stantoni
- Acila
- †Acila demessa
- †Acila princeps
- †Acrioceras
- †Acrioceras hamlini
- †Acrioceras vespertinum
- †Acrodus
- †Acrodus wempliae – type locality for species
- †Acteon
- †Acteon inornatus
- †Acteon politus
- †Acteon sullivanae
- †Acteonella
- †Acteonella oviformis
- †Acteonina
- †Acteonina berryessensis – type locality for species
- †Acteonina californica
- †Acteonina columnaris
- †Acusten
- †Acusten ordinarius
- †Adelodonax
- †Adelodonax altus
- †Aechmella
- †Agnomyax
- †Agnomyax monilifer
- †Aguileria – or unidentified comparable form
- †Alarimella
- †Alarimella anae – type locality for species
- †Alarimella veta
- †Aletopelta – type locality for genus
- †Aletopelta coombsi – type locality for species
- †Alievium
- †Alievium antiquum
- Amauropsis
- †Amauropsis pseudoalveata
- †Ambercyclus
- †Ambercyclus dilleri
- †Ambercyclus morganensis
- †Amphidonte
- †Amphidonte parasitica
- †Ampullina
- †Ampullina avellana
- †Ampullina concipio
- †Ampullina mona
- †Ampullina oviformis
- †Ampullina packardi
- †Ampullina stantoni
- Amuletum
- †Anagaudryceras
- †Anagaudryceras mikobokense
- †Anagaudryceras sacya – or unidentified comparable form
- †Anahamulina
- †Anahamulina wilcoxensis
- †Anarhynchia
- †Anarhynchia gabbi – or unidentified comparable form
- †Anasibirites
- †Anasibirites desertorum
- †Anasibirites kingianus – type locality for species
- †Anasibirites lindgreni
- †Anatomites
- †Anatomites adalberti
- †Anatomites damesi
- †Anatomites edgari
- †Anatomites externiplicatus
- †Anatomites intermittens
- †Anatomites konnincki
- †Anatomites mendenhalli
- †Anatomites obsoletus – type locality for species
- †Anatomites shastensis – type locality for species
- †Anatomites subintermittens – type locality for species
- †Anatropites
- †Anatropites hauchecornei
- †Anchura
- †Anchura ainikta – type locality for species
- †Anchura baptos – type locality for species
- †Anchura californica
- †Anchura callosa
- †Anchura condoniana
- †Anchura falciformis
- †Anchura gibbera
- †Anchura halberdopsis – type locality for species
- †Anchura phaba – type locality for species
- †Anglonautilus
- †Anglonautilus catarinae
- †Angulobracchia
- †Angulobracchia bulbosa
- †Angulobracchia jasperensis
- †Angulobracchia ozvoldovae
- †Angulobracchia purisimaensis
- †Anisoceras
- †Anisoceras draconum
- †Anisomyon
- †Anisomyon meeki
- †Anomalina
- †Anomalina pseudopopillosa
- †Anomia
- †Anomia – type locality for species A – informal
- †Anomia jalama
- †Anomia lineata
- †Anoplophora – tentative report
- †Anoplophora shastensis – type locality for species
- †Anthonya
- †Anthonya cultriformis
- †Aphaea
- †Aphaea ignota
- †Aphanoptyxis
- †Aphanoptyxis andersoni
- †Aphanoptyxis californica – type locality for species
- †Aphrodina
- †Aphrodina varians
- †Aphrosaurus
- Aporrhais
- †Aporrhais veta – type locality for species
- †Archaeocenosphaera
- †Archaeocenosphaera ruesti – or unidentified related form
- †Archaeodictyomitra
- †Archaeodictyomitra apiarium
- †Archaeodictyomitra inornata
- †Archaeodictyomitra oleadita
- †Archaeodictyomitra rigida
- †Archaeodictyomitra simplex
- †Archaeodictyomitra siplex
- †Archaeodictyomitra sliteri
- †Archaeodictyomitra vulgaris
- †Archaeohagiastrum
- †Archaeohagiastrum minutum – or unidentified related form
- Archaeolithothamnium
- †Archaeopus
- †Archaeopus antennatus
- †Archaeospongoprunum
- †Archaeospongoprunum carrierensis
- †Archaeospongoprunum cortinaensis
- †Archaeospongoprunum elegans – or unidentified related form
- †Archaeospongoprunum imlayi
- †Archaeospongoprunum klingi
- †Archaeospongoprunum macrostylum – or unidentified related form
- †Archaeospongoprunum praeimlayi
- †Archaeospongoprunum praelongum
- †Archaeospongoprunum tehamaensis
- Architectonica – tentative report
- Arcopagia
- †Arcopagia tehama
- Arctica
- †Arctica anthracocola
- †Arctica denmanensis – or unidentified related form
- †Arctoceras
- †Arctoceras tuberculatum
- †Areaseris
- †Areaseris nevadensis
- Argyrotheca
- †Argyrotheca retrorsa – type locality for species
- †Arnioceras
- †Arpadites
- †Arpadites kingi – type locality for species
- Arrhoges
- †Arrhoges californicus
- †Aspenites – type locality for genus
- †Aspenites acutus
- Astarte
- †Astarte sulcata – tentative report
- †Astarte sulcuta
- †Astarte tuscana
- †Asteroceras
- †Astrocoenia – report made of unidentified related form or using admittedly obsolete nomenclature
- Ataphrus
- †Ataphrus compactus – tentative report
- †Atira
- †Atractites
- †Atractites philippii – type locality for species
- †Atresius
- †Atresius liratus
- †Aucellina – tentative report
- †Augustynolophus
- Avicula
- †Avicula mucronata – type locality for species
- †Avicula soperi – type locality for species
- †Axonoceras
B
- †Bacchites
- †Bacchites hyatti – type locality for species
- †Bacchites pinguis
- †Baculites
- †Baculites anceps
- †Baculites bailyi – or unidentified comparable form
- †Baculites buttensis – type locality for species
- †Baculites capensis
- †Baculites chicoensis
- †Baculites fairbanksi
- †Baculites inornatus
- †Baculites lomaensis
- †Baculites occidentalis
- †Baculites recta – or unidentified comparable form
- †Baculites rex – type locality for species
- †Baculites schencki – type locality for species
- †Baculites yokoyamai – or unidentified comparable form
- †Bagotum
- †Bagotum modestum
- †Balantiostoma – tentative report
- Barbatia
- †Barrettia
- †Barrettia sparcilirata
- †Basilemys
- †Bathypurpurinopsis
- †Bathypurpurinopsis stantoni – type locality for species
- † Belleza
- †Belleza decora
- †Belliscala
- †Belliscala meta
- Bernaya
- †Bernaya argonautica – type locality for species
- †Bernaya berryessae – type locality for species
- †Bernaya crawfordcatei – type locality for species
- †Bernaya gualalaensis – type locality for species
- †Bernaya jeanae – type locality for species
- †Bernaya kayei – or unidentified related form
- †Bernaya louellasaulae – type locality for species
- †Bernaya popenoei – type locality for species
- †Bernaya rineyi – type locality for species
- †Bernoullius
- †Bernoullius brokenkettlensis
- †Bernoullius cristatus
- †Bernoullius delnortensis
- †Bernoullius dicera
- †Bernoullius irwini
- †Beudanticeras
- †Beudanticeras alamoense – type locality for species
- †Beudanticeras argonauticum – type locality for species
- †Beudanticeras breweri
- †Beudanticeras brewerii – or unidentified related form
- †Beudanticeras haydeni
- †Bipedis – tentative report
- †Biplica
- †Biplica heteroplicata
- †Biplica isoplicata
- †Biplica michaeli – or unidentified related form
- †Biplica miniplicata
- †Biplica multiplicata
- †Biplica obliqua
- †Bistarkum
- †Bittiscala
- †Bivallupus
- †Bivallupus mexicanus
- †Bochianites
- †Bochianites paskentaensis
- †Bolena
- †Bolena zancajosa
- †Bositra
- †Bositra buchi
- †Bostrychoceras
- †Bostrychoceras brewerii
- †Bostrychoceras californicum – type locality for species
- †Bostrychoceras declive
- †Bostrychoceras occidentale – type locality for species
- †Bostrychoceras otsukai – or unidentified related form
- †Brancoceras
- †Brancoceras parvum
- †Brasilichnium
- †Buchia
- †Buchia concentrica – or unidentified comparable form
- †Buchia elderensis
- †Buchia keyserlingi
- †Buchia pacifica
- †Buchia piochii
- †Buchia terebratuloides
- †Buchia trigonoides
- †Bulbificopsis – type locality for genus
- †Bulbificopsis garza – type locality for species
- Bulimina
- †Bulimina obtusa
- Bulimulus
- †Bullamirifica
- †Bullamirifica ainiktos
- †Bullamirifica elegans
- Bullaria
- †Bullaria nortonensis
- Bullina
- †Bullina yoloensis – type locality for species
- †Butticeras
- †Butticeras studleyi – type locality for species
C
- †Califadesma
- †Califadesma elaphium
- †Californigonia – type locality for genus[1]
- †Californigonia plumasensis – type locality for species. Formerly classified as Trigonia plumasensis.[1]
- †Californites – type locality for genus
- †Californites careyi – type locality for species
- †Californites merriami – type locality for species
- †Californosaurus
- Callianassa – tentative report
- †Calliconites
- †Calliconites drakei – type locality for species
- †Calliomphalus – tentative report
- Callista – tentative report
- †Callista pseudoplana – or unidentified related form
- †Callista subtrigona
- †Callistalox
- †Callistalox fragilis
- †Calva
- †Calva crassa
- †Calva elderi
- †Calva nitida
- †Calva peninsularis
- †Calva spissa
- †Calva taffi
- †Calva varians
- †Calycoceras
- †Calycoceras naviculare
- †Camptonectes
- †Camptonectes curvatus – or unidentified comparable form
- †Canadoceras
- †Canadoceras celeste – type locality for species
- †Canadoceras fraternum
- †Canadoceras mysticum
- †Canadoceras newberryanum
- †Canadoceras subtilobatum – or unidentified related form
- Cancellaria – tentative report
- †Canelonus
- †Canelonus conus
- †Caneta
- †Caneta hsui
- †Canoptum
- †Canoptum anulatum
- †Canoptum poissoni
- †Canoptum rugosum
- Cantharus
- †Cantharus occidentalis
- †Canutus
- †Canutus giganteus
- †Canutus rockfishensis
- Capulus – or unidentified comparable form
- †Capulus silverthorni – type locality for species
- Cardinia
- †Cardinia gleimi – type locality for species
- †Cardiomorpha – tentative report
- †Cardiomorpha digglesi – type locality for species
- Cardita
- †Cardita jenkinsi – type locality for species
- †Cassideus
- †Cassideus yoloensis
- †Cecrops
- †Cecrops septemporata
- †Cecrops septemporatus
- †Celtites
- †Celtites steindachneri
- Cenodiscus
- †Cenodiscus alievi
- Cenosphaera
- †Cenosphaera boria
- †Ceriostella
- †Ceriostella martini
- Cerithidea
- Cerithium
- †Cerithium alternata
- †Cerithium totiumsanctorum – or unidentified comparable form
- †Choristoceras
- †Choristoceras klamathense – type locality for species
- †Choristoceras marshi
- †Christitys – type locality for genus
- †Christitys delta – type locality for species
- †Christitys martini – or unidentified comparable form
- †Christitys medica – type locality for species
- †Cidarina
- †Cidarina beta – type locality for species
- †Cidarina cretacea – type locality for species
- Cidaris
- †Cidaris californicus
- †Cidaris plumasensis
- †Cidaris taylorensis
- †Cladoceramus
- †Cladoceramus undulatoplicatus
- †Clinura
- †Clinura anassa
- †Clisocolus
- †Clisocolus cordatus
- †Clisocolus corrugatus
- †Clisocolus dubius
- †Collignoniceras
- †Collignoniceras bakeri
- †Collonia
- †Collonia occidentalis – type locality for species
- †Cophocara
- †Cophocara stantoni
- †Coralliochama
- †Coralliochama orcutti
- Corbicula
- †Corbicula astartoides
- Corbula
- †Corbula cancellifera
- †Corbula parilis
- †Corbula pozo
- †Corbula torta – or unidentified comparable form
- †Corbula traski
- †Corbula traskii
- Cornutella
- †Cosmonautilus
- †Cosmonautilus dilleri
- †Cosmonautilus hersheyi – type locality for species
- †Cosmonautilus pacificus – type locality for species
- †Cosmonautilus shastensis – type locality for species
- †Costispiriferina
- †Costispiriferina pittensis
- †Courtilloticeras
- †Courtilloticeras stevensi – type locality for species
- Crassatella
- †Crassatella conradiana
- †Crassatella mercedensis – tentative report
- †Crassatella saulae
- †Crassatella triangulata
- †Crassatella triangulatus
- †Crassatellina
- †Crassatellina saulae
- †Crioceratites
- †Crioceratites latus
- †Crioceratites tehamaensis – or unidentified comparable form
- †Crolanium
- †Crolanium triquetrum
- †Crucella
- †Crucella linda
- †Crucella magna
- †Crucella messinae
- †Crucella theokaftensis
- Cucullaea
- †Cucullaea alamoensis – type locality for species
- †Cucullaea bowersiana
- †Cucullaea gravida
- †Cucullaea truncata
- †Cucullaea youngi
- †Cunningtoniceras
- †Cunningtoniceras meridionale – or unidentified related form
- †Cyclothyris
- †Cyclothyris densleonis
- Cylichna
- †Cylichna andersoni
- †Cylindroteuthis
- †Cymatoceras
- †Cymatoceras carlottense
- †Cymatoceras hermosus – type locality for species
- †Cymbophora
- †Cymbophora asburnerii
- †Cymbophora ashburnensis – or unidentified related form
- †Cymbophora ashburnerii
- †Cymbophora bella – or unidentified comparable form
- †Cymbophora gabbiana
- †Cymbophora popenoei
- †Cymbophora stantoni
- †Cymbophora tenuissima
- †Cymbophora triangula
- †Cymbophora triangulata
- †Cymbospondylus
- †Cymulopora – tentative report
- †Cyprimeria
- †Cyprimeria moorei
- Cyrtocapsa – tentative report
- †Cyrtocapsa kisoensis – or unidentified related form
D
- †Damesites
- †Damesites damesi
- †Damesites frazierense
- †Damesites gardeni – or unidentified related form
- †Damesites hetonaiensis
- †Damesites richardsoni – type locality for species
- †Damesites subsugatum
- †Daonella – tentative report
- †Darvelus
- †Darvelus pessagnoi – type locality for species
- †Darvelus primus – type locality for species
- Dentalina
- †Dentalina legumen
- †Dentalium
- †Dentalium cooperi
- †Dentalium nanaimoense
- †Dentalium whiteavesi
- †Desmoceras
- †Desmoceras alamoense – or unidentified comparable form
- †Desmoceras argonauticum – or unidentified comparable form
- †Desmoceras dawsoni
- †Desmoceras inane
- †Desmoceras japonicum
- †Desmoceras voyi
- †Desmophyllites
- †Desmophyllites diphylloides – type locality for species
- †Deviatus
- †Deviatus deweveri
- †Deviatus hipposidericus
- †Diacanthocapsa
- †Dicerosaturnalis
- †Dicerosaturnalis dicranacanthos
- †Dicroa
- †Dicroloma
- †Dicroloma nodosa
- †Dictyoconites
- †Dictyoconites americanus – type locality for species
- †Dictyomitra
- †Dictyomitrella
- †Dictyomitrella kamoensis
- †Didymoceras
- †Didymoceras hornbyense – or unidentified comparable form
- †Didymoceras vancouverense – or unidentified comparable form
- †Didymoceras vancouverensis
- †Dieneria – type locality for genus
- †Dieneria arthaberi – type locality for species
- †Dieneroceras
- †Dieneroceras dieneri – type locality for species
- †Dieneroceras marcoui – type locality for species
- †Dieneroceras spathi
- †Dieneroceras subquadratum
- †Dillerites – type locality for genus
- †Dillerites shastensis – type locality for species
- †Dimyodon
- †Dimyodon storrsi – type locality for species
- †Diozoptyxis
- †Diozoptyxis ursana – type locality for species
- Diplodonta
- †Diplodonta davisi
- †Diplomoceras
- †Diplomoceras ellipticum
- †Diplomoceras jimboi – type locality for species
- †Diplomoceras mustangense – type locality for species
- †Discohelix – tentative report
- †Discohelix leana
- †Discophyllites
- †Discophyllites patens
- †Discoproptychites
- †Discoproptychites walcotti – type locality for species
- †Discoscaphites
- †Discotropites
- †Discotropites davisi – type locality for species
- †Discotropites formosus – type locality for species
- †Discotropites laurae
- †Discotropites lineatus
- †Discotropites mojsvarensis
- †Discotropites plinii
- †Discotropites sandlingensis
- †Discotropites sengeli
- †Discotropites smithi
- †Discotropites theron
- †Distichophyllia
- †Distichophyllia norica
- †Douvilleiceras
- †Douvilleiceras mammillatum – or unidentified comparable form
- †Drepanochilus
- †Drepanochilus transversus
- †Drilluta – tentative report
- †Droltus
- †Dumitricaella – tentative report
- †Dumitricaella cucurbitina – or unidentified related form
- †Durania
- †Durania californica – type locality for species
E
- †Echinocorys
- †Echinocorys yoloensis – type locality for species
- †Elimia
- †Elimia veatchii
- †Ellipsoscapha
- †Ellipsoscapha nortonensis – or unidentified comparable form
- †Ellipsoscapha skaios
- †Emiluvia
- †Emiluvia chica
- †Emiluvia dollarbendensis
- †Emiluvia fontana
- †Emiluvia hopsoni
- †Emiluvia lowercoonensis
- †Emiluvia nana
- †Emiluvia pessagnoi
- †Emiluvia premyogii
- †Enchodus
- †Endoptygma
- †Endoptygma hermax – type locality for species
- †Entobia
- †Entolium
- †Entolium equabile
- †Entolium meeki
- †Entolium pittensis – type locality for species
- †Eocomoseris
- †Eocomoseris ramosa
- †Eocypraea
- †Eocypraea louellae – type locality for species
- †Eodanubites
- †Eodanubites judae – type locality for species
- †Eogaudryceras
- †Eogaudryceras wintunius
- †Eogunnarites
- †Eogunnarites matsumotoi
- †Eospongosaturninus
- †Eospongosaturninus protoformis
- †Eripachla
- †Eripachla ponderosa
- †Eripachya
- †Eripachya ponderosa
- †Eriphyla
- †Eriphyla lapida
- †Eriphyla lapidus
- †Eriphyla umbonata
- †Etea
- †Etea occidentalis
- †Eucalycoceras
- †Eucalycoceras diabloense – type locality for species
- †Euclastes
- †Eucymatoceras
- †Eucymatoceras plicatum
- †Eucyrtidiellum
- †Eucyrtidiellum ptyctum
- †Eucyrtidiellum takemurai
- †Eucyrtidiellum unumaense
- †Eucyrtidium – tentative report
- †Euidothyris
- †Euidothyris lucerna – type locality for species
- †Euomphaloceras
- †Euomphaloceras septemseriatum
- †Eupachydiscus
- †Eupachydiscus arbucklensis – type locality for species
- †Eupachydiscus haradai
- †Eupachydiscus lamberti – or unidentified related form
- †Eupachydiscus willgreeni – type locality for species
- †Euspira
- †Euspira compressa
- †Euspira marianus
- †Euspira popenoei
- †Euspira shumardiana
- †Eutrephoceras
- †Eutrephoceras campbelli
- †Exiteloceras
- †Exiteloceras bennisoni – type locality for species
- †Exiteloceras desertense – type locality for species
- †Exiteloceras diabloense – tentative report
- †Exiteloceras ortigalitoense – type locality for species
- †Exiteloceras vancouverense
- †Exogyra
F
- †Fagesia
- †Fagesia catinus – type locality for species
- †Fagesia klamathensis – type locality for species
- Fissurella – tentative report
- †Flabellina
- †Flabellina pilulifera
- †Flabellirhynchia
- †Flabellirhynchia concinna – type locality for species
- †Flabellirhynchia falconis – type locality for species
- †Flabellum
- †Flabellum fresnoense – type locality for species
- †Flaventia
- †Flaventia lens
- †Foremanina
- †Francisciconcha
- †Francisciconcha maslennikovi
- †Fresnosaurus – type locality for genus
- †Fresnosaurus drescheri – type locality for species
- Frondicularia
- †Frondicularia undulosa – or unidentified comparable form
G
- †Gabbioceras
- †Gabbioceras angulatum
- †Garzasia
- †Garzasia diabla
- †Garzasia intermedia – or unidentified comparable form
- Gastrochaena – tentative report
- †Gaudryceras
- †Gaudryceras alamedense
- †Gaudryceras aureum – type locality for species
- †Gaudryceras cinctum – or unidentified related form
- †Gaudryceras debnabebse – or unidentified comparable form
- †Gaudryceras denmanense – or unidentified comparable form
- †Gaudryceras kayei – type locality for species
- †Gaudryceras tenuiliratum – tentative report
- †Gaudryceras texanum – type locality for species
- †Gervillia
- †Gervillia shastensis
- Glans – tentative report
- †Glans veneriformis
- †Glauconia
- †Globigerinelloides
- †Globirhynchia
- †Globirhynchia gnathophora – type locality for species
- †Globirhynchia oblatopinguis – type locality for species
- †Globirhynchia rhacta – type locality for species
- †Globirhynchia schucherti – type locality for species
- Glossus
- †Glossus delta
- Glycymeris
- †Glycymeris anae
- †Glycymeris apletos
- †Glycymeris banosensis – type locality for species
- †Glycymeris pacifica – or unidentified comparable form
- †Glycymeris pacificus
- †Glycymeris shastensis – type locality for species
- †Glycymeris suciensis
- †Glycymeris veatchii
- †Glycymeris yoloensis
- †Glyptoxoceras
- †Glyptoxoceras largesulcatum – or unidentified comparable form
- †Glyptoxoceras subcompressum – or unidentified comparable form
- †Gnathorhynchia
- †Gnathorhynchia perplicata – type locality for species
- †Gnomohalorites
- †Gnomohalorites americanus
- Gongylothorax
- †Gongylothorax oblongus – or unidentified related form
- †Goniojuvavites
- †Goniojuvavites kellyi – type locality for species
- †Gonionotites
- †Gonionotites northi – type locality for species
- †Gorgansium
- †Gorgansium pulchrum
- †Goricanites – type locality for genus
- †Goricanites noblei – type locality for species
- †Grallator
- †Grammatodon
- †Grammatodon vancouverensis
- †Gryphaea
- †Gryponautilus
- †Gryponautilus cooperi – type locality for species
- †Guexella
- †Guineana
- †Guineana alta
- †Guodunites
- †Guodunites hooveri – type locality for species
- †Gymnotropites
- †Gymnotropites americanus – type locality for species
- †Gymnotropites laevis – type locality for species
- †Gymnotropites rotundus – type locality for species
- Gyrodes
- †Gyrodes allisoni
- †Gyrodes californicus
- †Gyrodes canadensis
- †Gyrodes conradiana
- †Gyrodes dowelli
- †Gyrodes expansa
- †Gyrodes expansus
- †Gyrodes greeni – type locality for species
- †Gyrodes pacificum
- †Gyrodes pacificus – or unidentified comparable form
- †Gyrodes quercus
- Gyroidina
- †Gyroidina depressa
H
- Haliotis
- †Halobia
- †Halobia austriaca
- †Halobia cordillerana
- †Halobia gigantea
- †Halobia ornatissima
- †Halobia rugosa
- †Halobia superba
- †Hauericeras
- †Hauericeras angustum
- †Hauericeras churchi – type locality for species
- †Hauericeras mickeyi – type locality for species
- †Hauerites
- †Hauerites lawsoni – type locality for species
- †Haydenia
- †Haydenia impressa
- †Hecticoceras
- †Hedenstroemia
- †Hedenstroemia kossmati
- †Helena
- †Helena exquisita
- †Helicaulax
- †Helicaulax popenoei – type locality for species
- Hemiaster
- †Hemiaster californicus
- †Hemicidaris
- †Hemicidaris intumescens
- †Hemicryptocapsa
- †Hemicryptocapsa ruesti – or unidentified related form
- Heptranchias
- †Hertleinites
- †Hertleinites aguila
- †Hertleinites pecki
- †Heteroderma
- †Hexasaturnalis
- †Hexasaturnalis hexagonus
- †Hexasphaera
- †Hexasphaera baumgartneri
- †Higumastra
- †Higumastra boucoti
- †Higumastra devilsgapensis
- †Higumastra dumitricai
- †Higumastra imbricata
- †Higumastra inflata – or unidentified related form
- †Higumastra transversa
- †Hilarisirex
- Hipponix
- †Hipponix dichotomus
- †Hiscocapsa
- †Hiscocapsa acuta
- †Hiscocapsa japonica – or unidentified comparable form
- †Hiscocapsa robusta
- †Hokkaidoconcha
- †Hokkaidoconcha bilirata – type locality for species
- †Hokkaidoconcha morenoensis – type locality for species
- †Hokkaidoconcha occidentalis
- †Hokkaidoconcha tehamaensis – type locality for species
- †Holcodiscoides
- †Holcodiscoides gorrilli – type locality for species
- †Holcophylloceras – tentative report
- †Hollisites
- †Hollisites inflatus
- †Hollisites lucasi
- †Holocryptocanium
- †Holocryptocanium astiensis
- †Holocryptocanium barbui
- †Holocryptocanium geysersensis
- †Holocryptocanium tuberculatum
- †Homerites
- †Homerites semiglobosus
- †Homoeoparonaella
- †Homoeoparonaella barbata
- †Homoeoparonaella elegans
- †Homoeoparonaella gigantea
- †Homoeoparonaella glinesi
- †Homoeoparonaella radians
- †Homoeoparonaella scurrae
- †Homolsomites
- †Homolsomites mutabilis
- †Hoplocrioceras
- †Hoplocrioceras ducanense
- †Hoplocrioceras duncanense
- †Hoplocrioceras remondi
- †Hoplotropites
- †Hoplotropites jokelyi
- †Hormathospongia – type locality for genus
- †Hormathospongia dictyota – type locality for species
- †Hsuum
- †Hsuum baldfacense
- †Hsuum brevicostatum
- †Hsuum maxwelli
- †Hsuum mclaughlini
- †Hsuum naturale
- †Hsuum obispoensis
- †Hsuum rutogense
- †Hsuum santamariaense
- †Hsuum speciosum
- †Hybodus
- †Hybodus shastensis – type locality for species
- †Hydrotherosaurus – type locality for genus
- †Hydrotherosaurus alexandrae – type locality for species
- †Hyphantoceras
- †Hyphantoceras ceratopse
- †Hyphantoceras venustum – or unidentified comparable form
- †Hypophylloceras
- †Hypophylloceras onoense – or unidentified related form
I
- †Icantia
- †Ichthyornis
- †Ichthyosaurus
- †Ichthyosaurus californicus – type locality for species
- †Ichthyosaurus franciscanus – type locality for species
- †Igonoia
- †Igonoia shastana
- †Indonesites
- †Indonesites sphaericus
- †Inoceramus
- †Inoceramus aduncas
- †Inoceramus aduncus
- †Inoceramus amakusensis – or unidentified comparable form
- †Inoceramus angulatus – or unidentified comparable form
- †Inoceramus balticus
- †Inoceramus chicoensis – type locality for species
- †Inoceramus cordiformis – or unidentified comparable form
- †Inoceramus cymbaeformis – or unidentified related form
- †Inoceramus digitatus – or unidentified related form
- †Inoceramus ezoensis – or unidentified comparable form
- †Inoceramus glennensis
- †Inoceramus goldfussi – or unidentified comparable form
- †Inoceramus gradilis
- †Inoceramus incertus – or unidentified comparable form
- †Inoceramus jacksonensis – type locality for species
- †Inoceramus japonicus – or unidentified comparable form
- †Inoceramus klamathensis
- †Inoceramus naumanni
- †Inoceramus pembertoni – or unidentified related form
- †Inoceramus regularis – or unidentified related form
- †Inoceramus shikotanensis – or unidentified comparable form
- †Inoceramus stanislausensis
- †Inoceramus steinmanni – or unidentified comparable form
- †Inoceramus subundantus
- †Inoceramus subundatus
- †Inoceramus teshioensis – or unidentified comparable form
- †Inoceramus turgidus – type locality for species
- †Inoceramus vancouverensis
- †Inoceramus whitneyi – or unidentified related form
- †Inoperna
- †Inoperna bellarugosa
- †Inyoceras
- †Inyoceras bittneri – type locality for species
- †Inyoceras multicameratus – type locality for species
- †Inyoites – type locality for genus
- †Inyoites oweni – type locality for species
- Isocrinus
- †Isocrinus californicus
- Isognomon
- †Isognomon – type locality for species – informal
J
- †Jeanbesseiceras – tentative report
- †Jeanbesseiceras jacksoni
- †Joaquinites – type locality for genus
- †Joaquinites fascicostatum – type locality for species
- †Jovites
- †Jovites pacificus – type locality for species
- Jupiteria
- †Juvavites
- †Juvavites knowltoni
- †Juvavites subinterruptus
- †Juvenites
- †Juvenites dieneri – type locality for species
K
- †Kallirhynchia
- †Kallirhynchia phylarchus – type locality for species
- †Kallirhynchia valliculae – type locality for species
- †Katroma
- †Katroma neagui – or unidentified related form
- †Keyserlingites
- †Keyserlingites pacificus – type locality for species
- †Keyserlingites subrobustus
- †Kilianella
- †Kilianella crassiplicata
- †Kilinora
- †Kilinora catenarum
- †Kilinora spiralis
- †Klamathites
- †Klamathites kellyi
- †Klamathites schucherti – type locality for species
- †Kossmaticeras
- †Kossmaticeras japonicum – or unidentified related form
- †Kozurium
- †Kozurium corningensis
- †Kozurium zingulai
- †Kuhnastraea
- †Kuhnastraea decussata
L
- †Laballa
- †Laballa suessi – or unidentified comparable form
- †Lacunaria
- †Lacunaria striata
- †Lampasa
- †Lampasa blomei
- †Lanceolites – type locality for genus
- †Lanceolites bicarinatus
- †Lanceolites compactus
- †Lanubus
- Laternula – tentative report
- †Laternula alisoensis
- †Latidorsella
- †Latidorsella barryae – type locality for species
- †Latimaeandra – report made of unidentified related form or using admittedly obsolete nomenclature
- †Latimaeandra eucystis
- †Leconteia – type locality for genus
- †Leconteia californica – type locality for species
- †Leconteiceras
- †Leconteiceras occidentale – type locality for species
- †Leconteites
- †Leconteites lecontei – tentative report
- Leda – tentative report
- †Leda translucidus – tentative report
- †Legumen
- †Legumen ooides
- †Leptosolen
- †Leugeo
- †Leugeo ordinarius
- †Leugeo parvispinata
- †Levileugeo
- Lima
- †Lima – type locality for species A – informal
- †Lima beta
- †Lima costata
- †Lima kimballi – type locality for species
- †Lima terqueni
- Limopsis
- †Limopsis silveradoensis
- †Linaresia
- †Linearis
- †Linearis multicostata – or unidentified comparable form
- †Lingula
- †Lipmanium – tentative report
- †Lipmanium caseyi
- †Lisopithia
- †Lisopithia ana
- †Lispodesthes
- †Lispodesthes rotundatus
- †Lispodesthes rotundus
- †Lithiotis
- †Lithiotis problematica
- †Lithomphalus
- †Lithomphalus enderlini
- Lithophaga
- †Loboidothyris
- †Loboidothyris meeki – type locality for species
- †Loboidothyris mormonensis – type locality for species
- †Longoconcha – tentative report
- Lopha
- Loripes – tentative report
- †Loripes dubia
- †Loxo
- †Loxo decore
- †Lucina
- †Lyriochlamys
- †Lyriochlamys traskii
- †Lysis
- †Lysis californica
- †Lysis duplicosta
- †Lysis suciensis – or unidentified comparable form
- †Lytoceras
- †Lytoceras aulaeum
- †Lytoceras batesi
- †Lytoceras saturnale
- †Lytoceras traski – or unidentified comparable form
- †Lytoceras whitneyi
M
- Macrocallista
- †Macrocallista cordata – or unidentified related form
- †Macrocephalites
- †Madrasites
- †Madrasites voyanum – type locality for species
- †Mammites – tentative report
- †Mantelliceras
- †Mantelliceras lecontei – or unidentified comparable form
- Margarella
- †Margarella crenulata
- †Margariella – tentative report
- †Margaritella
- †Margaritella globosa
- Margarites
- †Margarites inornatus
- †Margarites ornatissima
- †Margarites senilis
- †Margarites septentrionalis – type locality for species
- †Margaritropites
- †Margaritropites johnsoni – type locality for species
- †Margaritropites kokeni – type locality for species
- †Marginotruncana
- †Marginotruncana marginata
- †Marginotruncana renzi
- Marginulina
- †Marginulina elongata
- †Mariella
- †Mariella bergeri
- †Mariella fricki
- Martesia
- †Martesia clausa
- †Mataxa
- †Mataxa arida – type locality for species
- †Mediaster
- †Mediaster hayi – type locality for species
- †Meekia
- †Meekia bella
- †Meekia daileyi
- †Meekia iberica
- †Meekia lirata – tentative report
- †Meekia louella
- †Meekia mygale
- †Meekia radiata
- †Meekia sella
- †Meekia takeoana – tentative report
- †Meekoceras
- †Meekoceras gracilitatis
- †Meekoceras newberryi
- †Meekoceras strongi
- †Melchiorites
- †Melchiorites shastensis
- †Menuites
- †Menuites arrialoorensis – or unidentified related form
- †Menuites siskiyouensis
- †Merriamia
- †Merriamia zitteli
- †Mesopuzosia
- †Mesopuzosia colusaense
- †Mesopuzosia intermedia – or unidentified comparable form
- †Mesopuzosia pacifica – or unidentified comparable form
- †Metacerithium – tentative report
- †Metaplacenticeras
- †Metaplacenticeras californicum
- †Metaplacenticeras pacificum
- †Metaplacenticeras transitionale
- †Metasibirites
- †Metasibirites brockensis – type locality for species
- †Metasibirites coei – type locality for species
- †Metasibirites frechi – type locality for species
- †Metasibirites gracilis – type locality for species
- †Metasibirites modestus – type locality for species
- †Metasibirites mojsvarensis – type locality for species
- †Metasibirites pusillus – type locality for species
- †Metasibirites pygmaeus – type locality for species
- †Metasibirites shastensis – type locality for species
- †Metatirolites
- †Metatirolites foliaceus
- †Metatirolites quadrangulus
- †Metatirolites subpygmaeus
- †Microsciadiocapsa
- †Microsciadiocapsa sutterensis
- †Microtropites
- †Microtropites tubercularis
- †Millerocaulis
- †Millerocaulis embreei – type locality for species
- †Minasteria – report made of unidentified related form or using admittedly obsolete nomenclature
- †Minasteria shastensis
- †Minocapsa
- †Minocapsa aitai
- †Minocapsa tansinhoki
- †Minytropis
- †Minytropis melilota
- †Mirifusus
- †Mirifusus baileyi
- †Mirifusus chenodes – or unidentified related form
- †Mirifusus fragilis
- †Mirifusus guadalupensis
- †Mirifusus mediodilatatus
- † Mita – tentative report
- † Mita
- †Mita magnifica
- †Modiolus
- †Modiolus cylindricus
- †Modiolus sikiyouensis
- †Modiolus siskiyouensis
- †Mojsvaroceras
- †Mojsvaroceras turneri – type locality for species
- †Monotis
- †Monotis subcircularis
- †Morenosaurus – type locality for genus
- †Morenosaurus stocki – type locality for species
- †Mortoniceras
- †Mortoniceras chicoense
- †Mortoniceras gainesana
- †Mortoniceras inflata
- †Mortoniceras kiliani
- †Mortoniceras tehamaensis
- †Msopuzosia
- †Msopuzosia densicostata – or unidentified comparable form
- †Murphitys – type locality for genus
- †Murphitys corona – type locality for species
- †Murphitys madonna – type locality for species
- †Murphitys michaeli – type locality for species
- Musculus – or unidentified related form
- †Myoconcha
- †Myoconcha nana
- †Myophorella
- †Myophorella argo
- †Myophorella dawsoni – or unidentified related form
- †Myophorella yellowstonensis
- †Myophoria
- †Myophoria brockensis – type locality for species
- Myrtea
- †Myrtea gabbi – tentative report
- †Mytiloides
- †Mytiloides labiatus
- †Mytiloides mytiloides
- †Mytiloides opalensis
- †Mytiloides stantoni – or unidentified comparable form
- †Mytilus
- †Mytilus pauperculus – or unidentified comparable form
- †Mytilus quadratus
- †Mytilus ursensis – type locality for species
N
- †Nanonavis
- †Nanonavis breweriana
- Napora
- †Napora bearensis – or unidentified comparable form
- †Napora bukryi
- †Napora collieri
- †Napora dumitricai
- †Napora durhami
- †Napora elkcampensis
- †Napora espinosa
- †Napora latissima – or unidentified related form
- †Napora lomoalta
- †Napora nipponica
- †Napora pacifica
- †Napora praespinifera
- †Napora pyramidalis
- †Napora redonda
- †Napora saginata – or unidentified related form
- †Napora sixi
- †Napora spinifera
- Natica
- †Natica allisoni
- †Natica conradiana
- †Navahopus
- †Nectosaurus
- †Neithea
- †Neithea grandicosta
- †Nelltia
- †Nelltia roddana – tentative report
- †Nelltia salsa – type locality for species
- †Nemodon
- †Neocardioceras – tentative report
- †Neohibolites
- †Neohibolites fontinalis
- †Neoparonaella
- †Neoparonaella delicata
- †Neophylloceras
- †Neophylloceras hetonaiense
- †Neophylloceras ramosum
- †Neophylloceras vaculae
- †Neopopanoceras
- †Neopopanoceras haugi – type locality for species
- †Neopuzosia
- †Neopuzosia ishikawai
- †Nerinea
- †Nerinea stewarti – type locality for species
- †Nerinella
- †Nerinella santana – type locality for species
- Nerita
- †Nerita orovillensis – tentative report
- Nodosarella
- Nodosaria
- †Nodosaria monile
- †Nodosaria pomuligera
- †Nodosaria spinifera
- †Nolita
- †Nolita ramosa
- †Nonactaeonina
- †Nonactaeonina obesa
- †Nonactaeonina tensa – or unidentified comparable form
- †Nostoceras
- †Nostoceras excelsus – type locality for species
- †Nostoceras splendidum
- †Notidanodon
- †Notidanodon lanceolatus
- †Notodonax
- †Notodonax bolsae
- †Novitripus
- †Novitripus placitus
- †Novitripus varius
- †Novixitus
- †Novixitus jurassicus
- †Novixitus mclaughlini
- †Nowakites
- †Nowakites dobbinsi – type locality for species
- †Nowakites klamathonis – type locality for species
- †Nowakites puertoensis – type locality for species
- †Nowakites rumseyensis – type locality for species
- Nucinella
- Nucleolites – report made of unidentified related form or using admittedly obsolete nomenclature
- †Nucleolites mercedensis
- Nucula
- †Nucula gabbi
- †Nucula storrsi
- Nuculana
- †Nuculana grandensis – or unidentified related form
- †Nuculana translucida
- †Nudivagus – tentative report
- †Nudivagus califus – type locality for species
O
- †Obesacapsula
- †Obesacapsula cetia
- †Obesacapsula morroensis
- †Obesacapsula rotunda
- †Obnixia – type locality for genus
- †Obnixia thaynesiana
- †Octopodichnus
- †Olanda
- †Olanda olorina
- †Omphaloptycha
- †Omphaloptycha obesa – type locality for species
- †Omphaloptycha shastensis – type locality for species
- Opalia
- †Ophiceras
- †Ophiceras involutum
- †Opis
- †Opis anae – type locality for species
- †Opis californica – type locality for species
- †Opis holzana
- †Opis pacifica
- †Opis popenoei – type locality for species
- †Opis rosarioensis
- †Opis triangulata – type locality for species
- †Opis vancouverensis
- †Orbiculiforma
- †Orbiculiforma maxima
- †Orbiculiforma multangula
- †Orbiculiforma nevadaensis
- †Orbiculiforma railensis
- †Orbiculiformella
- †Orbiculiformella teres
- †Ornithella
- †Ornithella curticensis – type locality for species
- †Ornithella gemina – type locality for species
- †Ornithella syringothyrides – type locality for species
- †Orthoceras
- †Orthoceras shastense – type locality for species
- †Orthotrigonia
- Ostrea
- †Ostrea crescentica
- †Owenites
- †Owenites carpenteri
- †Owenites koeneni – type locality for species
- †Oxybeloceras
- †Oxybeloceras petrolense
- †Oxybeloceras taffi – type locality for species
- †Oxyeurax
- †Oxyeurax trapezoidalis
- †Oxynautilus
- †Oxynautilus acutus
- †Oxytoma
- †Oxytropidoceras
- †Oxytropidoceras peruvianum
P
- †Pachecocrinus
- †Pachydesmoceras
- †Pachydesmoceras colusaense
- †Pachydesmoceras pachydiscoide – type locality for species
- †Pachydiscus
- †Pachydiscus ashlandicus – or unidentified related form
- †Pachydiscus averilli – type locality for species
- †Pachydiscus binodatus – or unidentified comparable form
- †Pachydiscus buckhami
- †Pachydiscus catarinae – or unidentified related form
- †Pachydiscus coalingense
- †Pachydiscus egertoni – or unidentified comparable form
- †Pachydiscus henleyensis
- †Pachydiscus japonicus – or unidentified comparable form
- †Pachydiscus neevesi – or unidentified comparable form
- †Pachydiscus ootacodensis
- †Pachydiscus subcompressus
- †Pachyoncus
- †Pachyoncus kamiasoensis
- †Paladmete – tentative report
- †Palaeastraea – report made of unidentified related form or using admittedly obsolete nomenclature
- †Palaeastraea grandissima
- †Palaeobates
- †Palaeobates shastensis – type locality for species
- †Palaeocypraea
- †Palaeocypraea fontana – type locality for species
- †Palaeocypraea wilfredi – type locality for species
- †Palaeomoera
- †Palaeomoera dyskritos
- †Paleopsephaea
- †Paleopsephaea sacramentica
- †Paleotractus
- †Paleotractus crassus
- †Palinandromeda
- †Palinandromeda fimbria
- †Palinandromeda podbielensis
- Panopea
- †Panopea californica – or unidentified related form
- †Pantanellium
- †Pantanellium buntonense – or unidentified comparable form
- †Pantanellium darlingtonense
- †Pantanellium deflectum
- †Pantanellium fishcreekensis
- †Pantanellium foveatum
- †Pantanellium josephinense
- †Pantanellium meraceibaense
- †Pantanellium rarum
- †Pantanellium riedeli
- †Pantanellium squinaboli
- †Pantanellium ultrasincerum
- †Paraganides – type locality for genus
- †Paraganides californicus – type locality for species
- †Parahauerites
- †Parahauerites ashleyi – type locality for species
- †Parahoplites
- †Parahoplites sjogreni – or unidentified related form
- †Parahsuum
- †Parahsuum izeense
- †Parahsuum mostleri
- †Parahsuum ovale
- †Parahsuum publicum
- †Parahsuum simplum
- †Parahsuum stanleyense
- †Parahsuum transiens – or unidentified comparable form
- †Parallelodon
- †Parallelodon brewerianus
- †Parallelodon vancouverensis
- †Paranannites
- †Paranannites oviformis – type locality for species
- †Parapachydiscus
- †Parapachydiscus bidwelli – type locality for species
- †Parapachydiscus catarinae
- †Parapachydiscus cortinaensis – type locality for species
- †Parapachydiscus panochensis – type locality for species
- †Parapachydiscus peninsularis – or unidentified related form
- †Parapachydiscus stanislausensis – type locality for species
- †Parapuzosia
- †Parapuzosia arenaica – type locality for species
- †Parapuzosia giganteum – type locality for species
- †Parapuzosia hearni – type locality for species
- †Parapuzosia hindsi – type locality for species
- †Parapuzosia klamathonrae – type locality for species
- †Parapuzosia waringi
- †Paratropites
- †Paratropites colei
- †Paratropites shastensis
- †Parisculites
- †Parisculites obolinus
- †Paronaella
- †Paronaella aranae
- †Paronaella bandyi
- †Paronaella broennimanni – or unidentified related form
- †Paronaella cleopatraensis
- †Paronaella coalescenda
- †Paronaella egregia
- †Paronaella inornata
- †Paronaella nipomoensis
- †Paronaella obesa
- †Paronaella panda
- †Paronaella solanoensis – or unidentified comparable form
- †Partschiceras
- †Partschiceras grantzi – or unidentified comparable form
- †Parussuria
- †Parussuria compressa – type locality for species
- Parvamussium
- †Parvicingula
- †Parvicingula alamoensis
- †Parvicingula blowi
- †Parvicingula bluefordae
- †Parvicingula boesi
- †Parvicingula broqueta
- †Parvicingula citae
- †Parvicingula colemani
- †Parvicingula corona
- †Parvicingula cuyamaensis
- †Parvicingula deadhorsensis
- †Parvicingula dhimenaensis – or unidentified related form
- †Parvicingula excelsa
- †Parvicingula gorda
- †Parvicingula gracila
- †Parvicingula jonesi
- †Parvicingula khabakovi – or unidentified comparable form
- †Parvicingula obstinata
- †Parvicingula rothwelli
- †Parvicingula sanfilippoae
- †Parvicingula satura
- †Parvicingula thomesensis
- †Parvicingula turrita
- †Parvicingula whalenae
- †Parvicingula yehae
- †Parvivacca
- †Parvivacca coraforma
- †Parvivacca immodica
- †Parvivacca marina
- †Parvivacca robusta
- †Parvivacca simplex
- †Parvivacca varica
- †Paskentana
- †Paskentana berryessaensis – type locality for species
- †Paskentana globosa – type locality for species
- †Paskentana paskentaensis
- Patella – report made of unidentified related form or using admittedly obsolete nomenclature
- †Patella sheehani – type locality for species
- †Patella stuarti – type locality for species
- †Patulibracchium
- †Patulibracchium grapevinensis
- †Patulibracchium henlei – or unidentified related form
- †Paxitropis
- †Paxitropis dicriota
- †Pecten
- †Pecten cowperi
- †Pecten deformis – type locality for species
- †Pedalion
- †Pegaster – type locality for genus
- †Pegaster stichos – type locality for species
- †Pentacrinus
- †Pentacrinus asteriscus – tentative report
- †Pentzia
- †Pentzia hilgardi
- Periploma
- †Periploma subgracile – or unidentified related form
- †Periplomya – tentative report
- †Perispyridium
- †Perispyridium alinchakense – or unidentified related form
- †Perispyridium bacatum
- †Perispyridium dangerpointense
- †Perispyridium gujohachimanense
- †Perispyridium neotamanense
- †Perispyridium ordinarium
- †Perissitys
- †Perissitys brevirostris
- †Perissitys colocara – type locality for species
- †Perissitys cretacea
- †Perissitys elaphia – type locality for species
- †Perissitys pacifica – type locality for species
- †Perissitys stantoni
- †Peroniceras
- †Peroniceras leei – or unidentified related form
- †Peroniceras shastensis
- †Pervinquieria
- †Pervinquieria furberi – type locality for species
- †Pervinquieria gainesana – type locality for species
- †Petasiforma
- †Petasiforma foremanae
- †Petasiforma inusitata
- Phanerolepida
- †Phanerolepida onoensis – type locality for species
- †Phantum
- †Phantum insperatum – or unidentified comparable form
- Pharella
- †Pharella alta
- †Phelopteria
- †Phillippiella
- Pholadomya
- †Pholadomya diegoensis – or unidentified comparable form
- †Pholadomya subelongata
- †Phylloceras
- †Phylloceras gargantuum – type locality for species
- †Phylloceras pachecoense – type locality for species
- †Phylloceras velledae
- †Phyllopachyceras
- †Phyllopachyceras aldersona
- †Piarorhynchia
- †Piarorhynchia howardi – type locality for species
- †Piarorhynchia winnemae – type locality for species
- †Piestochilus – tentative report
- †Pinacoceras
- †Pinacoceras rex
- †Pinna
- †Pinna calamitoides
- †Pinna expansa – or unidentified comparable form
- †Pityostrobus
- †Pityostrobus calforniensis – type locality for species
- †Plesiotylosaurus
- †Pleuromya
- †Pleurotropites
- †Pleurotropites gabbi – type locality for species
- †Pleurotropites gracilis – type locality for species
- Plicatula
- †Plicatula perimbricata
- †Plicatula variata
- †Plotosaurus
- †Podobursa
- †Podobursa basilica
- †Podobursa helvetica
- †Podobursa lanza
- †Podobursa rosea
- †Podobursa spinellifera
- †Podobursa spinosa
- †Podobursa tamanensis
- †Podobursa triacantha
- †Podocapsa
- †Podocapsa amphitreptera
- Polinices
- †Polinices mercedensis – type locality for species
- †Polinices shumardianus – tentative report
- †Polycyclus
- †Polycyclus henseli
- †Polyptychites
- †Polyptychites trichotomus
- †Polyptychoceras
- †Polyptychoceras obstrictum – or unidentified comparable form
- †Posidonia
- †Posidonia alpina
- †Posidonia jacksoni – type locality for species
- †Posidonia madisonensis – type locality for species
- †Potamides – tentative report
- †Potamides diadema
- †Potamides grovesi – type locality for species
- †Praeconocaryomma
- †Praeconocaryomma decora – or unidentified comparable form
- †Praeconocaryomma fasciata – tentative report
- †Praeconocaryomma immodica
- †Praeconocaryomma magnimamma – or unidentified comparable form
- †Praeconocaryomma media – or unidentified comparable form
- †Praeconocaryomma parvimamma – or unidentified comparable form
- †Praeconocaryomma prisca
- †Praeconocaryomma uhlensis
- †Praeconocaryomma whiteavesi – or unidentified comparable form
- †Praeconosphaera
- †Praeconosphaera spinosa
- †Praeparvicingula
- †Praeparvicingula decora
- †Praeparvicingula discors – or unidentified related form
- †Praeparvicingula gemmata
- †Praeparvicingula holdsworthi
- †Praeparvicingula hurdygurdyensis
- †Praeparvicingula nebulosa
- †Praeparvicingula packsaddlensis
- †Praeparvicingula rotunda
- †Praeparvicingula saltata
- †Praeparvicingula sencilla
- †Praeparvicingula siskiyouensis
- †Praeparvicingula turpicula
- †Praewilliriedellum
- †Praewilliriedellum cephalospinosum
- †Preflorianites
- †Preflorianites strongi – type locality for species
- †Preflorianites toulai
- †Prionocycloceras
- †Prionocycloceras californicum
- †Prionocycloceras crenulatum
- †Prionolobus
- †Prionolobus waageni – type locality for species
- †Prionotropis
- †Prionotropis casperi
- †Prionotropis hiltensis – type locality for species
- †Priscoficus – tentative report
- †Prisconatica
- †Prisconatica hesperia
- †Proarcestes
- †Proarcestes carpenteri – type locality for species
- †Proarcestes pacificus
- †Proarcestes shastensis – type locality for species
- †Proarcestes traski – type locality for species
- †Proarcestes whitneyi
- †Proarcestes winnemae – type locality for species
- †Proclydonautilus
- †Proclydonautilus hessi – type locality for species
- †Proclydonautilus spirolobus
- †Proclydonautilus squawensis – type locality for species
- †Proclydonautilus stantoni – type locality for species
- †Proclydonautilus triadicus
- †Proclydonautilus ursensis – type locality for species
- †Prognathodon
- †Prognathodon waiparaensis – or unidentified comparable form
- †Projuvavites
- †Projuvavites brockensis – type locality for species
- †Projuvavites strongi – type locality for species
- Propeamussium
- †Prosphingitoides
- †Prosphingitoides austini – type locality for species
- †Protexanites
- †Protexanites thompsoni
- †Protocardia
- †Protocardia remondianum
- †Protocardia translucidum
- †Protovallupus
- †Protovallupus tetlamaensis
- †Protrachyceras
- †Protrachyceras storrsi – type locality for species
- †Protunuma
- †Protunuma japonicus
- †Protunuma multicostatus – or unidentified related form
- †Pseudacrochordiceras
- †Pseudacrochordiceras inyoense – type locality for species
- †Pseudanchura
- †Pseudanchura biangulata
- †Pseudhelicoceras
- †Pseudhelicoceras petersoni – type locality for species
- †Pseudocrucella
- †Pseudocrucella ehrenbergi
- †Pseudocymia – type locality for genus
- †Pseudocymia aitha – type locality for species
- †Pseudocymia aurora – type locality for species
- †Pseudocymia cahalli – type locality for species
- †Pseudodiadema
- †Pseudodiadema emersoni
- †Pseudodictyomitra
- †Pseudodictyomitra lodogaensis
- †Pseudodictyomitra pentacolaensis
- †Pseudodictyomitra pseudomacrocephala
- †Pseudodictyomitra vestalensis
- †Pseudoeucyrtis
- †Pseudoeucyrtis firmus
- †Pseudoeucyrtis hannai – or unidentified comparable form
- †Pseudoeucyrtis paskentaensis
- †Pseudogaleodea
- †Pseudoheliodiscus
- †Pseudomelania
- †Pseudomelania colusaensis – type locality for species
- †Pseudoperna
- †Pseudoperna toxidonta
- †Pseudophyllites
- †Pseudoptera – tentative report
- †Pseudoristola
- †Pseudoristola clava
- †Pseudoristola nova
- †Pseudosageceras
- †Pseudosageceras multilobatum
- †Pseudothurmannia – tentative report
- †Pseudothurmannia jupiter
- †Pseudothurmannia russelli
- †Pseudoxybeloceras
- †Pseudoxybeloceras lineatum – or unidentified comparable form
- †Pteraichnus
- †Pteroluter
- †Pteroluter othnius – type locality for species
- †Pterotrigonia
- †Pterotrigonia evansana
- †Pterotrigonia klamathonia
- †Pterotrigonia oregana – or unidentified comparable form
- †Ptilorhynchia – type locality for genus
- †Ptilorhynchia plumasensis – type locality for species
- †Ptiloteuthis – type locality for genus
- †Ptiloteuthis foliatus – type locality for species
- †Ptychoceras – type locality for genus
- †Ptychoceras laeve – type locality for species
- †Ptyctothyris
- †Ptyctothyris hardgravensis – type locality for species
- †Ptyctothyris phlegethontis – type locality for species
- †Pugnellus
- †Pugnellus hammulus – or unidentified related form
- †Pugnellus hamulus
- †Pugnellus manubriatus
- †Puzosia
- †Puzosia hannai – type locality for species
- †Puzosia puma
- †Puzosia sullivanae
- Pycnodonte
- †Pyktes
- †Pyktes hamulus
- †Pyramispongia
- †Pyramispongia glascockensis
- †Pyropsis
Q
- Quadrans – tentative report
- †Quinquecapsularia
- †Quinquecapsularia spinosa
R
- †Radioceras
- †Radioceras evolvens
- †Remondia
- †Remondia oregonensis – type locality for species
- †Reptolunulites
- Retusa
- †Rhabdoceras
- †Rhabdoceras suessi
- †Rhactorhynchia
- †Rhactorhynchia trigona – type locality for species
- †Rhaetina – tentative report
- †Rhaetina pyriformis
- †Rhectomax
- †Rhectomax undulatus
- †Rhectomyax
- †Rhectomyax undulatus
- †Rhynchonella
- †Rhynchonella richardsoni – type locality for species
- †Rhynchonella varians – or unidentified comparable form
- †Riedelius
- †Ristola
- †Ristola altissima
- †Ristola bala
- †Ristola procera
- †Ristola turpicula
- Robulus
- †Robulus inornatus
- Rogerella
- †Romaniceras
- †Romaniceras deverioide
S
- †Sagenites
- †Sagenites dickersoni – type locality for species
- †Saghalinites
- †Sandlingites
- †Sandlingites andersoni – type locality for species
- †Sandlingites oribasus
- †Sarasinella
- †Sarasinella angulata
- †Saturniforma
- †Saturniforma peregrina
- †Scalarites
- †Scapanorhynchus
- Scaphander
- †Scaphander costatus
- †Scaphites
- †Scaphites hippocrepis – or unidentified related form
- †Scaphites inermis – or unidentified related form
- †Scaphites pittensis – type locality for species
- †Scaphotrigonia
- †Scaphotrigonia naviformis
- †Sciponoceras
- †Sciponoceras gracile – type locality for species
- Scobinella
- †Scobinella dilleri
- †Semihsuum
- †Semihsuum biscuithillense
- †Semihsuum brokencotense
- †Semihsuum inexploratum
- †Semihsuum sourdoughense
- †Senis
- Septifer
- †Sequoia
- †Sequoia reichenbachi
- Serpula
- †Shastasaurus
- †Shasticrioceras
- †Shasticrioceras whitneyi – or unidentified related form
- †Shastites
- †Shastites compactus – type locality for species
- †Shastites compressus – type locality for species
- †Shastites whitneyi – type locality for species
- †Shastoceras
- †Silberlingia
- †Silberlingia sanctaeanae
- †Simbirskites
- †Simbirskites broadi
- †Simbirskites lecontei
- Siphonalia
- †Siphonalia dubius
- †Sirenites
- †Sirenites lawsoni – type locality for species
- †Skolithos
- Solariella
- †Solariella occidentalis
- †Solariella stewarti
- Solemya – tentative report
- Solen
- †Solen cuneatus – or unidentified comparable form
- †Solenoceras
- †Spiriferina – report made of unidentified related form or using admittedly obsolete nomenclature
- †Spiriferina coreyi – type locality for species
- †Spirigera – report made of unidentified related form or using admittedly obsolete nomenclature
- †Spirigera milesi – type locality for species
- †Spirogmoceras
- †Spirogmoceras shastense – type locality for species
- †Spondylospira
- †Spondylospira lewesensis
- †Spondylospira parmata
- Spondylus
- †Spondylus subnodosus
- †Spongiomorpha
- †Spongiomorpha tenuis
- †Spongocapsula
- †Spongocapsula dumitricai
- †Spongocapsula hooveri
- †Spongocapsula palmerae
- †Spongocapsula zamoraensis
- †Spongosaturninus
- †Spongosaturninus bispinus
- Squalicorax
- †Staurolonche
- Stichocapsa
- †Stichocapsa convexa
- †Stichocapsa japonica
- Stichomitra – tentative report
- †Stichomitra takanoensis
- †Stoliczkaia
- †Stoliczkaia praecursor – type locality for species
- †Stomechinus
- †Stomechinus hyatti
- †Striatojaponocapsa
- †Striatojaponocapsa conexa
- †Striatojaponocapsa plicarum
- †Stromatomorpha
- †Stromatomorpha californica – type locality for species
- †Sturia
- †Sturia woodini
- †Subhungarites
- †Subhungarites yatesi – type locality for species
- †Submeekoceras
- †Submeekoceras mushbachanum
- †Submortoniceras
- †Submortoniceras buttense
- †Submortoniceras buttensis – type locality for species
- †Submortoniceras chicoense
- †Submortoniceras gabbi
- †Submortoniceras pentzanum – type locality for species
- †Submortoniceras randalli
- †Submortoniceras studleyi
- †Subprinocyclus
- †Subprionocyclus
- †Subprionocyclus branneri
- †Subprionocyclus neptuni – or unidentified comparable form
- †Subprionocyclus normalis – or unidentified comparable form
- †Subprionocyclus oregonense
- † Suna
- †Suna ehrenbergi
- †Suna haeckeli
- †Suna harperi
- †Sympolycyclus
- †Sympolycyclus kellyi – type locality for species
- †Sympolycyclus nodifer – type locality for species
- †Syncyclonema
- †Syncyclonema latum – type locality for species
- †Syncyclonema operculiformis
T
- †Tappanella
- †Tappanella novacubica
- †Tardeceras – type locality for genus
- †Tardeceras parvum – type locality for species
- †Tegula
- †Tegula jeanae
- †Tehamatea
- †Tehamatea ovalis
- †Teichertus
- †Teichertus cavernosus
- †Teichertus notus
- Tellina
- †Tellina – type locality for species A – informal
- †Tellina alisoensis
- †Tellina ashburnerii
- †Tellina ooides
- †Tellina paralis
- †Tellina quadrata
- †Tellina whitneyi
- †Tenea
- †Tenea inflata
- †Teneposita – type locality for genus
- †Teneposita laeva – type locality for species
- Terebralia – tentative report
- †Terebralia juliana
- Terebratella
- †Terebratella densleonis
- Terebratulina
- †Terebratulina indomita – type locality for species
- †Tessarolax
- †Tessarolax distorta
- †Tessarolax trinalis
- †Tethysetta
- †Tethysetta boesii
- †Tetracapsa
- †Tetracapsa horokanaiensis
- †Tetraditryma
- †Tetraditryma coldspringensis
- †Tetraditryma corralitosensis
- †Tetraditryma oregonensis
- †Tetraditryma praeplena
- †Tetraditryma pseudoplena
- †Tetragonites
- †Tetragonites cala
- †Tetragonites epigonum
- †Tetragonites glabrus – or unidentified comparable form
- †Tetragonites popetensis – type locality for species
- †Tetrahoplitoides
- †Tetrahoplitoides stantoni
- †Thalattosaurus
- †Thanarla
- †Thanarla brouweri
- †Thanarla elegantissima
- †Thanarla praeveneta
- †Thanarla veneta
- †Thetironia
- †Thetironia annulata
- †Thisbites
- †Thisbites uhligi
- †Thurmanniceras
- †Thurmanniceras californicum
- †Thurmanniceras jenkinsi
- †Thurmanniceras stippi
- Thyasira
- †Thyasira cretacea
- †Tibetothyris – report made of unidentified related form or using admittedly obsolete nomenclature
- †Tibetothyris julica
- †Tibiaporrhais – tentative report
- †Tollia
- †Tollia giganteus
- †Tornatellaea
- †Tornatellaea impressa
- †Tornquistites – type locality for genus
- †Tornquistites evolutus – type locality for species
- †Trachybaculites
- †Trachybaculites columna
- †Trachysagenites
- †Trachysagenites erinaceus
- †Trachysagenites herbichi
- †Trachysagenites shastensis – type locality for species
- †Trachystenoceras
- †Trachystenoceras gabbi – type locality for species
- †Tragodesmoceras
- †Tragodesmoceras ashlandicum
- †Trajanella
- †Trajanella californica
- †Transhsuum
- †Transhsuum brevicostatum
- †Traskites
- †Traskites americanus – type locality for species
- †Traskites californicus – type locality for species
- †Traskites evolutus – type locality for species
- †Traskites fairbanksi – type locality for species
- †Traskites minutus – type locality for species
- †Traskites nanus – type locality for species
- †Traskites osmonti – type locality for species
- †Traskites robustus – type locality for species
- †Traskites rugosus – type locality for species
- †Traskites stantoni – type locality for species
- †Traskites tornquisti – type locality for species
- †Triactoma
- †Triactoma blakei
- †Triactoma jonesi
- †Triactoma kellumi
- †Triactoma longoriai
- †Trichinopolia
- †Trichinopolia californica – type locality for species
- Tricolocapsa
- †Trigonarca
- †Trigonarca californica – or unidentified related form
- †Trigonarca californicus
- †Trigonarca excavata
- †Trigonia
- †Trigonia aequicostata
- †Trigonia denticulata – or unidentified comparable form
- †Trigonia evansana
- †Trigonia fitchi
- †Trigonia hemisphaerica – or unidentified related form
- †Trigonia hemphilli
- †Trigonia inezana – or unidentified related form
- †Trigonia jacksonensis – type locality for species
- †Trigonia leana
- †Trigonia perrinsmithi – type locality for species
- †Trigonia plumasensis – type locality for species. Later reclassified in the new genus Californigonia as C. plumasensis.[1]
- †Trigonia spinulosa – or unidentified comparable form
- †Trigonia tryoniana
- †Trigonia undulata
- †Trigonia vcostata – or unidentified comparable form
- †Trigonocallista
- †Trigonocallista bowersiana
- †Trigonocallista nitida
- †Trigonocallista varians
- †Trillus
- †Trillus elkhornensis
- †Trillus seiderense – or unidentified comparable form
- †Trinacria
- †Trinacria cor
- †Tripocyclia
- †Tripocyclia brooksi
- †Tripocyclia foremanae
- †Tripocyclia frenchflatensis
- †Tripocyclia highdomensis
- †Tripocyclia mascula
- †Tripocyclia saleebyi
- †Tritrabs
- †Tritrabs casmaliaensis
- †Tritrabs ewingi
- †Tritrabs exotica
- †Tritrabs hayi
- †Tritrabs rhododactylus
- †Tritrabs suavia
- †Tritrabs worzeli
- †Triversus
- †Triversus fastigatus
- †Trochactaeon
- †Trochactaeon frazierensis
- †Trochactaeon packardi
- Trochocyathus
- †Trochocyathus pergranulatus – type locality for species
- Trophon
- †Trophon condoni
- †Tropiceltites
- †Tropiceltites caducus
- †Tropites
- †Tropites arthaberi
- †Tropites brockensis – type locality for species
- †Tropites dieneri – type locality for species
- †Tropites dilleri – type locality for species
- †Tropites fusobullatus
- †Tropites hessi – type locality for species
- †Tropites keili
- †Tropites kellyi – type locality for species
- †Tropites mojsvarensis – type locality for species
- †Tropites morani – type locality for species
- †Tropites reticulatus
- †Tropites rotatorius – type locality for species
- †Tropites rothpletzi – type locality for species
- †Tropites schellwieni – type locality for species
- †Tropites shastensis – type locality for species
- †Tropites stearnsi – type locality for species
- †Tropites ursensis – type locality for species
- †Tropites welleri – type locality for species
- †Tropites wodani
- †Turanta
- †Turanta chetcoensis
- †Turanta flexa
- †Turanta luminosa
- †Turanta okamurai – or unidentified comparable form
- †Turrilites
- †Turrilites acutus
- †Turrilites costatus – or unidentified comparable form
- †Turrilites petersoni – type locality for species
- Turritella
- †Turritella chaneyi
- †Turritella chicoensis
- †Turritella hearni
- †Turritella infralineata
- †Turritella peninsularis – or unidentified related form
- †Turritella pescaderoensis
- †Turritella peterseni – or unidentified related form
- †Turritella petersoni
- †Turritella robertiana – or unidentified comparable form
- †Turritella webbi
- †Turritella xylina
- †Tylostoma
- †Tylostoma garzana – type locality for species
U
- †Unuma
- †Unuma echinatus
- †Unuma gordus
- †Unuma typicus
V
- †Vallupus
- †Vallupus hopsoni
- †Vaugonia
- †Vaugonia kobayashii – or unidentified comparable form
- †Vaugonia obliqua
- †Vaugonia yukonensis – tentative report
- †Vitorfus
- †Vitorfus campbelli
- Volsella
- †Volsella siskiyouensis
- †Volutoderma
- †Volutoderma averilli
- †Volutoderma averillii
- †Volutoderma californica
- †Volutoderma dilleri
- †Volutoderma gabbi
- †Volutoderma jacksonensis
- †Volutoderma magna
- †Volutoderma santana
W
- †Wilbertopora
- †Wilbertopora sannerae – type locality for species
- †Willimactra
- †Willimactra mathewsonii
- †Willimactra popenoei
- †Willimactra putida
- †Willimactra truncata
- †Williriedellum
- †Williriedellum carpathicum
- †Williriedellum frequens
- †Williriedellum madstonense
- †Wilvemia
- †Wilvemia whiskeyensis
- †Worthenia
- †Worthenia klamathensis – type locality for species
- †Wrangellium
- †Wyomingites
- †Wyomingites aplanatus
X
- †Xiphostylus
- †Xiphostylus gasquetensis
- †Xiphostylus humboldtensis
- †Xitus
- †Xitus antelopensis
- †Xitus antiquus
- †Xitus plenus
- †Xitus pulcher
- †Xitus singularis
- †Xitus spicularius
- †Xitus spineus
Y
Z
- †Zanola
- †Zanola cornuta – or unidentified comparable form
- †Zartus
- †Zealandites
- †Zhamoidellum
- †Zhamoidellum exquisita
- †Zhamoidellum kiesslingi
- †Zhamoidellum kozuri
- †Zhamoidellum parva
- †Zhamoidellum triangulosa
- †Zifondium
- †Zifondium lassenensis
- †Zifondium paupera
- †Zimmerella – type locality for genus
- †Zimmerella eastoni
- †Zinsitys – tentative report
- †Zugmayerella
- †Zugmayerella americana
- †Zugmeyeria
References
- 1 2 3 Michael R. Cooper; Héctor A. Leanza (2019). "On the Middle Jurassic – Early Cretaceous Megatrigoniinae (Bivalvia, Trigoniida): their biogeography, evolution and classification". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 291 (1): 19–40. doi:10.1127/njgpa/2019/0787.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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