Opinions from F. M. Anderson 1958

  • 'Acanthoceras lecontei belongs to Acanthoceras'
  • 'Acanthoceras meridionalis belongs to Acanthoceras' according to Stoliczka 1864
  • 'Acanthoceras meridionalis is recombined as Cunningtoniceras meridionale'
  • 'Acanthoceras newboldi is recombined as Calycoceras (Eucalycoceras) newboldi'
  • 'Acanthoceras shastense belongs to Acanthoceras'
  • 'Actaeon inornatus belongs to Actaeon' according to White 1889
  • 'Acteonella frazierensis belongs to Acteonella'
  • 'Acteonella packardi belongs to Acteonella'
  • 'Acteonella rustica belongs to Acteonella'
  • 'Acteonina bellavistana belongs to Acteonina'
  • 'Acteonina berryessensis belongs to Acteonina'
  • 'Acteonina colusaensis belongs to Acteonina'
  • 'Acteonina roguensis belongs to Acteonina'
  • 'Acteonina ursula belongs to Acteonina'
  • 'Acteonina ursulagorda belongs to Acteonina'
  • 'Acteonina yrekensis belongs to Acteonina'
  • 'Alaria nodosa belongs to Alaria'
  • 'Ammonites chicoensis is recombined as Mortoniceras (Submortoniceras) chicoense'
  • 'Ammonites complexus suciaensis is recombined as Eupachydiscus suciensis'
  • 'Ammonites cooperii is recombined as Emperoceras cooperii'
  • 'Ammonites cunningtoni is recombined as Cunningtoniceras cunningtoni'
  • 'Ammonites fraternus is recombined as Canadoceras fraternum'
  • 'Ammonites ganesa is recombined as Parapachydiscus ganesa'
  • 'Ammonites gardeni is recombined as Hauericeras gardeni'
  • 'Ammonites haydenii is recombined as Beudanticeras haydenii'
  • 'Ammonites hippocrepis is recombined as Scaphites hippocrepis'
  • 'Ammonites inanis is recombined as Desmoceras (Latidorsella) inane'
  • 'Ammonites jugalis is recombined as Desmoceras (Latidorsella) jugale'
  • 'Ammonites kayei is recombined as Lytoceras (Gaudryceras) kayei'
  • 'Ammonites newberryanus is recombined as Canadoceras newberryanum'
  • 'Ammonites ootacodensis is recombined as Parapachydiscus ootacodensis'
  • 'Ammonites planulatus is recombined as Puzosia (Parapuzosia) planulatus'
  • 'Ammonites selwynianus is recombined as Desmophyllites selwynianus'
  • 'Ammonites tehamaensis is recombined as Peroniceras tehamaense'
  • 'Ammonites timotheanus is recombined as Lytoceras (Tetragonites) timotheanum'
  • 'Ammonites turneri is recombined as Calycoceras (Eucalycoceras) turneri'
  • 'Ammonites vancouverensis belongs to Ammonites' according to Meek 1861
  • 'Ammonites vancouverensis is recombined as Placenticeras vancouverense' according to Meek 1876
  • 'Ammonites vancouverensis is recombined as Hoplites vancouverensis' according to Whiteaves 1892
  • 'Ammonites vancouverensis is recombined as Placenticeras vancouverense'
  • 'Anchura condoniana is recombined as Drepanochilus condoniana'
  • 'Ancyloceras lineatus is recombined as Oxybeloceras lineatum'
  • 'Anisoceras charlottense belongs to Anisoceras'
  • 'Anisoceras draconis belongs to Anisoceras'
  • 'Aporrhais californica is recombined as Anchura (Arrhoges) californica'
  • 'Aporrhais vetus belongs to Aporrhais'
  • 'Arca (Nemodon) cumshewensis belongs to Arca (Nemodon)' according to Whiteaves 1900
  • 'Arca (Nemodon) cumshewensis is recombined as Parallelodon (Nanonavis) cumshewensis'
  • 'Arca (Nemodon) simillima belongs to Arca (Nemodon)' according to Whiteaves 1900
  • 'Arca (Nemodon) simillima is recombined as Parallelodon (Nanonavis) simillima'
  • 'Arca breweriana is recombined as Parallelodon (Nanonavis) brewerianus'
  • 'Arca decurtata is a subjective synonym of Cucullaea (Idonearca) gravida'
  • 'Arca gravida is recombined as Cucullaea (Idonearca) gravida'
  • 'Arca vancouverensis is recombined as Parallelodon (Nanonavis) vancouverensis'
  • 'Arca vancouverensis is recombined as Nemodon vancouverensis' according to Whiteaves 1879
  • 'Astarte earllergyi belongs to Astarte'
  • 'Astarte lapidis is recombined as Eriphyla lapidis'
  • 'Astarte ovoides is recombined as Eriphyla ovoides'
  • 'Astarte sulcata is replaced by Astarte earllergyi'
  • 'Austiniceras was reranked as Puzosia (Austiniceras) and belongs to Puzosia'
  • 'Avicula gainsana belongs to Avicula'
  • 'Avicula roguensis belongs to Avicula'
  • 'Baculites buttensis belongs to Baculites'
  • 'Baculites lomaensis belongs to Baculites'
  • 'Baculites rex belongs to Baculites'
  • 'Baculites subcircularis belongs to Baculites'
  • 'Beudanticeras alamoense belongs to Beudanticeras'
  • 'Beudanticeras argonauticum belongs to Beudanticeras'
  • 'Bostrychoceras buttense belongs to Bostrychoceras'
  • 'Bostrychoceras californicum belongs to Bostrychoceras'
  • 'Bostrychoceras columbianum belongs to Bostrychoceras'
  • 'Bostrychoceras occidentale belongs to Bostrychoceras'
  • 'Bostrychoceras puertoense belongs to Bostrychoceras'
  • 'Bostrychoceras sanctaeanae belongs to Bostrychoceras'
  • 'Bostrychoceras serpiens belongs to Bostrychoceras'
  • 'Bostrychoceras trabucoense belongs to Bostrychoceras'
  • 'Bullina yoloensis belongs to Bullina'
  • 'Butticeras belongs to Mortoniceratidae'
  • 'Butticeras buttense belongs to Butticeras'
  • 'Butticeras studleyi belongs to Butticeras'
  • 'Calliostoma radiatum belongs to Calliostoma'
  • 'Calycoceras (Eucalycoceras) diabloense belongs to Calycoceras (Eucalycoceras)'
  • 'Calycoceras (Metacalycoceras) auspicium belongs to Calycoceras (Metacalycoceras)'
  • 'Canadoceras celeste belongs to Canadoceras'
  • 'Canadoceras georgianum belongs to Canadoceras'
  • 'Canadoceras whiteavesi belongs to Canadoceras'
  • 'Cassidulus mercedensis belongs to Cassidulus'
  • 'Cerithium (Fibula) detectum belongs to Cerithium (Fibula)' according to Stoliczka 1868
  • 'Cerithium (Fibula) mustangense belongs to Cerithium (Fibula)'
  • 'Cerithium clarki belongs to Cerithium'
  • 'Cerithium suciaensis belongs to Cerithium'
  • 'Coelopoceras hyatti belongs to Coelopoceras'
  • 'Coilopoceras [misspelled as Coelopoceras] belongs to Coelopoceratidae'
  • 'Coilopoceratidae [misspelled as Coelopoceratidae] belongs to Ammonoidea'
  • 'Conchocele cretacea belongs to Conchocele' according to Whiteaves 1873
  • 'Conchocele cretacea is recombined as Thyasira cretacea' according to Whiteaves 1903
  • 'Conchocele cretacea is recombined as Thyasira cretacea'
  • 'Crassatella elongata belongs to Crassatella'
  • 'Crassatella lomana belongs to Crassatella'
  • 'Crassatella mercedensis belongs to Crassatella'
  • 'Cucullaea (Idonearca) alamoensis belongs to Cucullaea (Idonearca)'
  • 'Cucullaea (Idonearca) buttensis belongs to Cucullaea (Idonearca)'
  • 'Cucullaea (Idonearca) calabaza belongs to Cucullaea (Idonearca)'
  • 'Cucullaea (Idonearca) melhaseana belongs to Cucullaea (Idonearca)'
  • 'Cucullaea bowersiana is recombined as Trigonocallista bowersiana'
  • 'Cucullaea cordiformis is recombined as Cucullaea (Idonearca) cordiformis'
  • 'Cucullaea grossaforma is recombined as Cucullaea (Idonearca) grossaforma'
  • 'Cucullaea lirata is recombined as Cucullaea (Idonearca) lirata'
  • 'Cucullaea truncata is recombined as Cucullaea (Idonearca) truncata'
  • 'Cucullaea youngi is recombined as Cucullaea (Idonearca) youngi'
  • 'Cunningtoniceras roguense belongs to Cunningtoniceras'
  • 'Cymatoceras was reranked as Nautilus (Cymatoceras) and belongs to Nautilus'
  • 'Cymbophora buttensis belongs to Cymbophora'
  • 'Cypraea argonautica belongs to Cypraea'
  • 'Cypraea berryessae belongs to Cypraea'
  • 'Cypraea fontana belongs to Cypraea'
  • 'Cypraea gualalaensis belongs to Cypraea'
  • 'Cyprina denmanensis belongs to Cyprina' according to Whiteaves 1903
  • 'Cyprina denmanensis belongs to Cyprina'
  • 'Cyrtochilus major belongs to Cyrtochilus'
  • 'Cyrtochilus stylus belongs to Cyrtochilus'
  • 'Desmoceras (Latidorsella) barryae belongs to Desmoceras (Latidorsella)'
  • 'Desmoceras (Puzosia) dawsoni is recombined as Beudanticeras dawsoni'
  • 'Desmoceras ashlandicum belongs to Desmoceras' according to Anderson 1902
  • 'Desmoceras ashlandicum is recombined as Pachydiscus ashlandicus'
  • 'Desmoceras colusaense is recombined as Puzosia (Parapuzosia) colusaensis'
  • 'Desmophyllites siskiyouensis belongs to Desmophyllites'
  • 'Desmophyllites yoloensis belongs to Desmophyllites'
  • 'Didymoceras californicum belongs to Didymoceras'
  • 'Didymoceras fresnoense belongs to Didymoceras'
  • 'Didymoceras kernense belongs to Didymoceras'
  • 'Didymoceras orestimbense belongs to Didymoceras'
  • 'Didymoceras whiteavesi belongs to Didymoceras'
  • 'Diplomoceras cascadense belongs to Diplomoceras'
  • 'Diplomoceras jimboi belongs to Diplomoceras'
  • 'Diplomoceras mercedense belongs to Diplomoceras'
  • 'Diplomoceras mustangense belongs to Diplomoceras'
  • 'Diplomoceras oshaughnessyi belongs to Diplomoceras'
  • 'Diplomoceras vermiculare belongs to Diplomoceras'
  • 'Drepanocheilus (Arrhoges) is reassigned into Anchura'
  • 'Durania californica belongs to Durania'
  • 'Echinocorys yoloensis belongs to Echinocorys'
  • 'Endocostea was reranked as Inoceramus (Endocostea) and belongs to Inoceramus'
  • 'Eupachydiscus arbucklensis belongs to Eupachydiscus'
  • 'Eupachydiscus willgreeni belongs to Eupachydiscus'
  • 'Exicrioceras belongs to Nostoceratidae'
  • 'Exicrioceras diabloense belongs to Exicrioceras'
  • 'Exicrioceras ortigalitense belongs to Exicrioceras'
  • 'Exiteloceras bennisoni belongs to Exiteloceras'
  • 'Exiteloceras desertense belongs to Exiteloceras'
  • 'Exiteloceras ortigalitoense belongs to Exiteloceras'
  • 'Exogyra californica belongs to Exogyra'
  • 'Exogyra inornata belongs to Exogyra'
  • 'Fagesia klamathensis belongs to Fagesia'
  • 'Fagesia shastensis is recombined as Vascoceras shastense'
  • 'Favites gabbi belongs to Favites'
  • 'Fibula was reranked as Cerithium (Fibula) and belongs to Cerithium'
  • 'Flaventia hornbyensis belongs to Flaventia'
  • 'Fulguraria gabbi is recombined as Volutoderma gabbi'
  • 'Fusus dakotensis belongs to Fusus' according to Meek and Hayden 1856
  • 'Fusus dakotensis is recombined as Serrifusus dakotensis' according to Whiteaves 1879
  • 'Gaudryceras was reranked as Lytoceras (Gaudryceras) and belongs to Lytoceras'
  • 'Gaudryceras denmanense belongs to Gaudryceras' according to Whiteaves 1903
  • 'Gaudryceras denmanense is recombined as Lytoceras (Gaudryceras) denmanense'
  • 'Gaudryceras tenuiliratum is recombined as Lytoceras (Gaudryceras) tenuiliratum'
  • 'Glycymeris banosensis belongs to Glycymeris'
  • 'Glycymeris pentzana belongs to Glycymeris'
  • 'Glycymeris shastensis belongs to Glycymeris'
  • 'Gosavia biconica belongs to Gosavia'
  • 'Gryphaea accipiter belongs to Gryphaea'
  • 'Gryphaea distorta belongs to Gryphaea'
  • 'Gyrodes was reranked as Natica (Gyrodes) and belongs to Natica'
  • 'Gyrodes dowelli belongs to Gyrodes'
  • 'Gyrodes siskiyouensis belongs to Gyrodes'
  • 'Haliotis lomaensis belongs to Haliotis'
  • 'Hamites (Ptychoceras) solanoense is recombined as Solenoceras solanoense'
  • 'Hamites ellipticus is recombined as Diplomoceras ellipticum'
  • 'Hamites glaber is recombined as Cyrtochilus glaber'
  • 'Hamites obstrictus is recombined as Diplomoceras obstrictum'
  • 'Hamites phoenixensis is recombined as Diplomoceras phoenixense'
  • 'Hamites recticostatus is recombined as Diplomoceras recticostatum'
  • 'Hamites vancouverensis is recombined as Exiteloceras vancouverense'
  • 'Haploceras cumshewaensis is recombined as Kossmaticeras (Madrasites) cumshewaense'
  • 'Hauericeras churchi belongs to Hauericeras'
  • 'Hauericeras mickeyi belongs to Hauericeras'
  • 'Helicoceras brewerii is recombined as Bostrychoceras brewerii'
  • 'Helicoceras declive is recombined as Bostrychoceras declive'
  • 'Helicoceras vermicularis is recombined as Bostrychoceras vermiculare'
  • 'Heteroceras ceratopse is recombined as Hyphantoceras ceratopse'
  • 'Heteroceras elongatum belongs to Heteroceras' according to Whiteaves 1903
  • 'Heteroceras elongatum is recombined as Bostrychoceras elongatum'
  • 'Heteroceras hornbyense is recombined as Nostoceras hornbyense'
  • 'Holcodiscoides was reranked as Puzosia (Holcodiscoides) and belongs to Puzosia'
  • 'Hoplites parva is recombined as Brancoceras parvum'
  • 'Hoplites yakounensis is recombined as Placenticeras yakounense'
  • 'Hyphantoceras irregulare belongs to Hyphantoceras'
  • 'Hyphantoceras laqueum belongs to Hyphantoceras'
  • 'Idonearca was reranked as Cucullaea (Idonearca) and belongs to Cucullaea'
  • 'Inoceramus (Endocostea) stanislausensis belongs to Inoceramus (Endocostea)'
  • 'Inoceramus adunca is corrected as Inoceramus aduncus and belongs to Inoceramus'
  • 'Inoceramus chicoensis belongs to Inoceramus'
  • 'Inoceramus contracostae belongs to Inoceramus'
  • 'Inoceramus digitatus belongs to Inoceramus' according to Sowerby 1829
  • 'Inoceramus duplicostatus belongs to Inoceramus'
  • 'Inoceramus eolobatus belongs to Inoceramus'
  • 'Inoceramus glennensis belongs to Inoceramus'
  • 'Inoceramus jacksonensis belongs to Inoceramus'
  • 'Inoceramus klamathensis belongs to Inoceramus'
  • 'Inoceramus meekianus belongs to Inoceramus'
  • 'Inoceramus mendocinoensis belongs to Inoceramus'
  • 'Inoceramus schmidti belongs to Inoceramus' according to Sokolow 1914
  • 'Inoceramus schmidti belongs to Inoceramus'
  • 'Inoceramus subundatus belongs to Inoceramus'
  • 'Inoceramus teshioensis belongs to Inoceramus' according to Nagao and Matsumoto 1939
  • 'Inoceramus turgidus belongs to Inoceramus'
  • 'Inoceramus undulatoplicatus belongs to Inoceramus'
  • 'Joaquinites belongs to Desmoceratidae'
  • 'Joaquinites fascicostatum belongs to Joaquinites'
  • 'Kossmaticeras (Madrasites) voyanum belongs to Kossmaticeras (Madrasites)'
  • 'Kotoceras frazierense belongs to Kotoceras'
  • 'Kotoceras richardsoni belongs to Kotoceras'
  • 'Kotoceras subsugatum belongs to Kotoceras'
  • 'Lunatia (Gyrodes) conradiana is recombined as Natica (Gyrodes) conradiana'
  • 'Lunatia avellana is recombined as Ampullina avellana'
  • 'Lutraria truncata is recombined as Cymbophora truncata'
  • 'Lyelliceras stanislausense belongs to Lyelliceras'
  • 'Lysis californiensis belongs to Lysis'
  • 'Lytoceras (Gaudryceras) aureum belongs to Lytoceras (Gaudryceras)'
  • 'Lytoceras (Gaudryceras) birkhauseri belongs to Lytoceras (Gaudryceras)'
  • 'Lytoceras (Gaudryceras) coalingense belongs to Lytoceras (Gaudryceras)'
  • 'Lytoceras (Gaudryceras) delvallense belongs to Lytoceras (Gaudryceras)'
  • 'Lytoceras (Gaudryceras) texanum belongs to Lytoceras (Gaudryceras)'
  • 'Lytoceras (Tetragonites) henleyense belongs to Lytoceras (Tetragonites)'
  • 'Lytoceras (Tetragonites) jacksonense belongs to Lytoceras (Tetragonites)'
  • 'Lytoceras (Tetragonites) kernense belongs to Lytoceras (Tetragonites)'
  • 'Lytoceras alamedense is recombined as Lytoceras (Gaudryceras) alamedense'
  • 'Lytoceras alamedense belongs to Lytoceras' according to Smith 1889
  • 'Mactra stantoni is recombined as Cymbophora stantoni'
  • 'Madrasites was reranked as Kossmaticeras (Madrasites) and belongs to Kossmaticeras'
  • 'Mammites rancheriae belongs to Mammites'
  • 'Mantelliceras conquistador belongs to Mantelliceras'
  • 'Mantelliceras oregonense belongs to Mantelliceras'
  • 'Mantelliceras phoenixense belongs to Mantelliceras'
  • 'Meretrix angulata is recombined as Etea angulata'
  • 'Meretrix coronada belongs to Meretrix'
  • 'Meretrix marshana belongs to Meretrix'
  • 'Meretrix nitida major is recombined as Trigonocallista major'
  • 'Metaplacenticeras bowersi belongs to Metaplacenticeras'
  • 'Modiola cylindrica is recombined as Modiolus cylindricus'
  • 'Mortoniceras (Submortoniceras) pentzanum belongs to Mortoniceras (Submortoniceras)'
  • 'Mortoniceras (Submortoniceras) randalli belongs to Mortoniceras (Submortoniceras)'
  • 'Mortoniceras crenulatum is recombined as Prionocycloceras crenulatum'
  • 'Mortoniceratinae was reranked as the family Mortoniceratidae and belongs to Ammonoidea'
  • 'Nautilus (Cymatoceras) carlottensis is recombined as Nautilus charlottensis'
  • 'Nautilus (Cymatoceras) hermosus belongs to Nautilus (Cymatoceras)'
  • 'Nautilus modestus belongs to Nautilus'
  • 'Nemodon was reranked as Arca (Nemodon) and belongs to Arca' according to Whiteaves 1900
  • 'Neocyrtochilus belongs to Lytoceratidae'
  • 'Neocyrtochilus bryani belongs to Neocyrtochilus'
  • 'Neokotoceras belongs to Desmoceratidae'
  • 'Neokotoceras fresnoense belongs to Neokotoceras'
  • 'Nerinea robertiana belongs to Nerinea'
  • 'Nerinea stewarti belongs to Nerinea'
  • 'Nonacteonina stephensoni belongs to Nonacteonina'
  • 'Nostoceras mexicanum belongs to Nostoceras'
  • 'Nowakites dobbinsi belongs to Nowakites'
  • 'Nowakites klamathonis belongs to Nowakites'
  • 'Nowakites puertoensis belongs to Nowakites'
  • 'Nowakites rumseyensis belongs to Nowakites'
  • 'Oregoniceras belongs to Prionotropidae'
  • 'Oregoniceras argonautarum belongs to Oregoniceras'
  • 'Oregoniceras condoni belongs to Oregoniceras'
  • 'Oregoniceras jacksonense belongs to Oregoniceras'
  • 'Oregoniceras jillsoni belongs to Oregoniceras'
  • 'Oregoniceras normale belongs to Oregoniceras'
  • 'Oregoniceras phoenixense belongs to Oregoniceras'
  • 'Oxybeloceras biconstrictum belongs to Oxybeloceras'
  • 'Oxybeloceras petrolense belongs to Oxybeloceras'
  • 'Oxybeloceras taffi belongs to Oxybeloceras'
  • 'Pachecocrinus belongs to Pentacrinidae'
  • 'Pachecocrinus joaquinensis belongs to Pachecocrinus'
  • 'Pachydiscus averilli belongs to Pachydiscus'
  • 'Pachydiscus henleyensis is recombined as Parapachydiscus henleyensis'
  • 'Pachydiscus oregonensis belongs to Pachydiscus'
  • 'Pachydiscus rosewoodensis belongs to Pachydiscus'
  • 'Parahoplites sjogreni belongs to Parahoplites' according to Anthula 1899
  • 'Parallelodon (Nanonavis) belongs to Parallelodon'
  • 'Parallelodon (Nanonavis) bremneri belongs to Parallelodon (Nanonavis)'
  • 'Parallelodon (Nanonavis) nanainoenis belongs to Parallelodon (Nanonavis)'
  • 'Parapachydiscus abbotti belongs to Parapachydiscus'
  • 'Parapachydiscus bidwelli belongs to Parapachydiscus'
  • 'Parapachydiscus coalingensis belongs to Parapachydiscus'
  • 'Parapachydiscus cortinaensis belongs to Parapachydiscus'
  • 'Parapachydiscus diabloensis belongs to Parapachydiscus'
  • 'Parapachydiscus fascicostatus californicus belongs to Parapachydiscus fascicostatus' according to Yabe 1921
  • 'Parapachydiscus fascicostatus californicus is recombined as Parapachydiscus californicus'
  • 'Parapachydiscus gabbi belongs to Parapachydiscus'
  • 'Parapachydiscus panochensis belongs to Parapachydiscus'
  • 'Parapachydiscus peninsularis belongs to Parapachydiscus'
  • 'Parapachydiscus princeps belongs to Parapachydiscus'
  • 'Parapachydiscus stanislausensis belongs to Parapachydiscus'
  • 'Parapuzosia was reranked as Puzosia (Parapuzosia) and belongs to Puzosia'
  • 'Pectunculus pacificus is recombined as Glycymeris pacificus'
  • 'Pentacrinidae belongs to Crinoidea'
  • 'Pentacrinus fairbanksi belongs to Pentacrinus'
  • 'Peroniceras quintoense belongs to Peroniceras'
  • 'Peroniceras shastense belongs to Peroniceras'
  • 'Pervinquieria furberi belongs to Pervinquieria'
  • 'Pervinquieria gainesana belongs to Pervinquieria'
  • 'Pervinquieria sylvana belongs to Pervinquieria'
  • 'Pholadomya anaana is recombined as Liopistha anaana'
  • 'Pholadomya diegoensis belongs to Pholadomya'
  • 'Phylloceras gargantuum belongs to Phylloceras'
  • 'Phylloceras pachecoense belongs to Phylloceras'
  • 'Phylloceras vaculae belongs to Phylloceras'
  • 'Placenticeras californicum is recombined as Metaplacenticeras californicum'
  • 'Placenticeras pacificum is recombined as Metaplacenticeras pacificum'
  • 'Placenticeras sanctaemonicae is recombined as Metaplacenticeras sanctaemonicae'
  • 'Polinices gainesanus belongs to Polinices'
  • 'Polinices mercedensis belongs to Polinices'
  • 'Prionocyclus californicus belongs to Prionocyclus'
  • 'Prionotropis casperi belongs to Prionotropis'
  • 'Prionotropis hiltensis belongs to Prionotropis'
  • 'Pseudogaleodea bennisoni belongs to Pseudogaleodea'
  • 'Pseudomelania colusaensis belongs to Pseudomelania'
  • 'Pugnellus hamulus is recombined as Pugnellus (Gymnarus) hamulus'
  • 'Puzosia (Austiniceras) giganteum belongs to Puzosia (Austiniceras)'
  • 'Puzosia (Eocanadoceras) belongs to Puzosia'
  • 'Puzosia (Eocanadoceras) hannai belongs to Puzosia (Eocanadoceras)'
  • 'Puzosia (Holcodiscoides) gorrilli belongs to Puzosia (Holcodiscoides)'
  • 'Puzosia (Latidorsella) is reassigned into Desmoceras'
  • 'Puzosia (Parapuzosia) arenaica belongs to Puzosia (Parapuzosia)'
  • 'Puzosia (Parapuzosia) hearni belongs to Puzosia (Parapuzosia)'
  • 'Puzosia (Parapuzosia) hindsi belongs to Puzosia (Parapuzosia)'
  • 'Puzosia (Parapuzosia) klamathonae belongs to Puzosia (Parapuzosia)'
  • 'Puzosia (Parapuzosia) waringi belongs to Puzosia (Parapuzosia)'
  • 'Puzosia jimboi is replaced by Puzosia (Parapuzosia) waringi'
  • 'Puzosia onona is recombined as Puzosia (Parapuzosia) onona'
  • 'Puzosia weaveri is recombined as Puzosia (Holcodiscoides) weaveri'
  • 'Remondia oregonensis belongs to Remondia'
  • 'Remondia shastensis belongs to Remondia'
  • 'Rhynchonella densleonis belongs to Rhynchonella'
  • 'Ringinella polita is recombined as Acteon politus'
  • 'Romaniceras hesperium belongs to Romaniceras'
  • 'Scaphites perrini is recombined as Scaphites (Yezoites) perrini'
  • 'Scaphites pittensis belongs to Scaphites'
  • 'Schloenbachia bakeri is recombined as Prionotropis bakeri'
  • 'Schloenbachia buttensis is recombined as Mortoniceras (Submortoniceras) buttense'
  • 'Schloenbachia gabbi is recombined as Mortoniceras (Submortoniceras) gabbi'
  • 'Schloenbachia knighteni is recombined as Oregoniceras knighteni'
  • 'Schloenbachia multicosta is recombined as Oregoniceras multicostum'
  • 'Schloenbachia oregonensis is recombined as Oregoniceras oregonense'
  • 'Schloenbachia siskiyouensis is recombined as Oregoniceras siskiyouense'
  • 'Schloenbachia tehamaensis is recombined as Pervinquieria tehamaensis'
  • 'Schloenbachia templetoni belongs to Schloenbachia' according to Hall and Ambrose 1916
  • 'Schloenbachia templetoni is recombined as Mortoniceras (Submortoniceras) templetoni'
  • 'Schluteria diabloensis is recombined as Beudanticeras diabloense'
  • 'Scobinella dilleri is recombined as Volutoderma dilleri'
  • 'Serrifusus dakotensis vancouverensis belongs to Serrifusus dakotensis' according to Whiteaves 1879
  • 'Serrifusus dakotensis vancouverensis is recombined as Serrifusus vancouverensis'
  • 'Serrifusus joaquinensis belongs to Serrifusus'
  • 'Solenoceras mexicanum belongs to Solenoceras'
  • 'Stoliczkaia praecursor belongs to Stoliczkaia'
  • 'Stomatia intermedia is recombined as Lysis intermedia'
  • 'Stomatia suciensis carinifera belongs to Stomatia suciensis' according to Whiteaves 1879
  • 'Stomatia suciensis carinifera is recombined as Lysis carinifera'
  • 'Submortoniceras was reranked as Mortoniceras (Submortoniceras) and belongs to Mortoniceras'
  • 'Syncyclonema latum belongs to Syncyclonema'
  • 'Tellina (Sanguinolaria) whitneyi is recombined as Periplomya whitneyi'
  • 'Tellina alisoensis belongs to Tellina'
  • 'Tellina ooides is recombined as Legumen ooides'
  • 'Tellina parilis [misspelled as Tellina paralis] belongs to Tellina'
  • 'Tellina santana belongs to Tellina'
  • 'Tornatella normalis is recombined as Nonacteonina normalis'
  • 'Trajanella acuminata belongs to Trajanella'
  • 'Trigonarca californica belongs to Trigonarca'
  • 'Trigonarca excavata belongs to Trigonarca'
  • 'Trigonarca jacksonensis belongs to Trigonarca'
  • 'Trigonarca sectilis belongs to Trigonarca'
  • 'Trigonia bowersiana belongs to Trigonia'
  • 'Trigonia branneri belongs to Trigonia'
  • 'Trigonia churchi belongs to Trigonia'
  • 'Trigonia colusaensis belongs to Trigonia'
  • 'Trigonia evansana oregona is recombined as Trigonia oregona'
  • 'Trigonia evansana oregona belongs to Trigonia evansana' according to Packard 1921
  • 'Trigonia klamathonia belongs to Trigonia'
  • 'Trigonia melhasei belongs to Trigonia'
  • 'Trigonia packardi belongs to Trigonia'
  • 'Trigonia perrinsmithi belongs to Trigonia'
  • 'Trigonia wheelerensis belongs to Trigonia'
  • 'Trigonocallista buttensis belongs to Trigonocallista'
  • 'Trigonocallista taffi belongs to Trigonocallista'
  • 'Trochus (Anadema) gemiferus belongs to Trochus (Anadema)'
  • 'Trochus (Oxystele) euryostomus belongs to Trochus (Oxystele)'
  • 'Turrilites excelsus belongs to Turrilites'
  • 'Turrilites petersoni belongs to Turrilites'
  • 'Turritella chaneyi belongs to Turritella'
  • 'Turritella hearni belongs to Turritella'
  • 'Turritella parallela is recombined as Nerinea parallela'
  • 'Turritella peninsularis belongs to Turritella'
  • 'Turritella petersoni belongs to Turritella'
  • 'Volutoderma crossi belongs to Volutoderma'
  • 'Volutoderma jacksonensis belongs to Volutoderma'
  • 'Volutoderma magna belongs to Volutoderma'
  • 'Volutoderma santana belongs to Volutoderma'
  • 'Yezoites was reranked as Scaphites (Yezoites) and belongs to Scaphites'