Opinions from R. L. Squires 1987
- 'Acanthocardia belongs to Cardiinae'
- 'Acila belongs to Nuculidae'
- 'Acila (Truncacila) belongs to Acila'
- 'Amaurellina belongs to Ampullospirinae'
- 'Amaurellina (Euspirocrommium) clarki is recombined as Pachycrommium clarki'
- 'Amaurellina caleocia belongs to Amaurellina'
- 'Ampullospirinae belongs to Naticidae'
- 'Ancilla belongs to Olivinae'
- 'Ancilla (Oliverato) californica is recombined as Cryptochorda (Cryptochorda) californica'
- 'Ancilla gabbi belongs to Ancilla'
- 'Anomalodesmata belongs to Bivalvia'
- 'Anthozoa belongs to Cnidaria'
- 'Apiotoma belongs to Turriculinae'
- 'Apiotoma californiana belongs to Apiotoma'
- 'Arcacea belongs to Arcoida'
- 'Archaeogastropoda belongs to Prosobranchia'
- 'Architectonica belongs to Architectonicidae'
- 'Architectonica cognata is recombined as Architectonica (Stellaxis) cognata'
- 'Architectonicidae belongs to Cerithiacea'
- 'Arcidae belongs to Arcacea'
- 'Arcinae belongs to Arcidae'
- 'Arcoida belongs to Pteriomorpha'
- 'Asterozoa belongs to Echinodermata'
- 'Astrocoenia belongs to Astrocoeniinae'
- 'Astrocoeniidae belongs to Astrocoeniina'
- 'Astrocoeniina belongs to Scleractinia'
- 'Astrocoeniinae belongs to Astrocoeniidae'
- 'Atelostomata belongs to Euechinoidea'
- 'Athleta belongs to Athletinae'
- 'Athleta roddai belongs to Athleta'
- 'Athletinae belongs to Volutidae'
- 'Axinaea (Limopsis) sagittata is recombined as Glycymeris (Glycymerita) sagittata'
- 'Barbatia belongs to Arcinae'
- 'Barbatia (Barbatia) belongs to Barbatia'
- 'Barbatia cliffensis is recombined as Barbatia (Cucullaearca) cliffensis'
- 'Benoistea is corrected as Benoistia and belongs to Cerithiinae'
- 'Benoistia cantonensis belongs to Benoistia'
- 'Bernayinae belongs to Cypraeidae'
- 'Bittium belongs to Cerithiinae'
- 'Bivalvia belongs to Mollusca'
- 'Brachidontes belongs to Mytilidae'
- 'Brachidontes (Brachidontes) belongs to Brachidontes'
- 'Bucardiomya was reranked as Pholadomya (Bucardiomya) and belongs to Pholadomya'
- 'Buccinacea belongs to Neogastropoda'
- 'Busycon blakei is recombined as Pseudoperissolax blakei'
- 'Callista belongs to Pitarinae'
- 'Callocardia belongs to Pitarinae'
- 'Callocardia (Nitidavenus) belongs to Callocardia'
- 'Calyptraea belongs to Calyptraeidae'
- 'Calyptraeacea belongs to Mesogastropoda'
- 'Calyptraeidae belongs to Calyptraeacea'
- 'Campanilidae belongs to Cerithiacea'
- 'Cardiacea belongs to Veneroida'
- 'Cardiidae belongs to Cardiacea'
- 'Cardiinae belongs to Cardiidae'
- 'Cardita hornii is recombined as Venericardia (Pacificor) hornii'
- 'Cardita sandiegoensis is recombined as Glyptoactis (Claibornicardia) sandiegoensis'
- 'Carditacea belongs to Veneroida'
- 'Carditesinae belongs to Carditidae'
- 'Carditidae belongs to Carditacea'
- 'Cardium brewerii is recombined as Acanthocardia (Schedocardia) brewerii'
- 'Cardium linteum is recombined as Nemocardium linteum'
- 'Cassidae belongs to Tonnacea'
- 'Cephalaspidea belongs to Euthyneura'
- 'Cerithiacea belongs to Mesogastropoda'
- 'Cerithiadae is corrected as Cerithiidae and belongs to Cerithiacea'
- 'Cerithiinae belongs to Cerithiidae'
- 'Cerithiopsis dumblei is recombined as Bittium dumblei'
- 'Chama belongs to Chamidae'
- 'Chama piruensis belongs to Chama'
- 'Chamacea belongs to Veneroida'
- 'Chamidae belongs to Chamacea'
- 'Charonia (Sassia) was reranked as Sassia and belongs to Cymatiinae'
- 'Chedevillia belongs to Strombidae'
- 'Chedevillia saltonensis belongs to Chedevillia'
- 'Claibornites belongs to Milthinae'
- 'Clavella tabulata is recombined as Clavilithes tabulatus'
- 'Clavilithes belongs to Fasciolariidae'
- 'Cnidaria was reranked as a subphylum and belongs to Coelenterata'
- 'Conacea belongs to Neogastropoda'
- 'Conidae belongs to Conacea'
- 'Conus belongs to Conidae'
- 'Conus caleocius belongs to Conus'
- 'Conus hornii belongs to Conus'
- 'Conus hornii piruensis belongs to Conus hornii'
- 'Conus remondii belongs to Conus'
- 'Corbula belongs to Corbulinae'
- 'Corbula (Caryocorbula) belongs to Corbula'
- 'Corbula (Varicorbula) capayana belongs to Corbula (Varicorbula)' according to Vokes 1939
- 'Corbula (Varicorbula) capayana belongs to Corbula (Varicorbula)'
- 'Corbula dickersoni is recombined as Corbula (Caryocorbula) dickersoni'
- 'Corbula parilis is recombined as Corbula (Caryocorbula) parilis'
- 'Corbulidae belongs to Myacea'
- 'Corbulinae belongs to Corbulidae'
- 'Costacallista was reranked as Callista (Costacallista) and belongs to Callista'
- 'Crassatella belongs to Crassatellinae'
- 'Crassatella uvasana belongs to Crassatella'
- 'Crassatellacea belongs to Veneroida'
- 'Crassatellidae belongs to Crassatellacea'
- 'Crassatellinae belongs to Crassatellidae'
- 'Crenaturricula was reranked as Fusiturricula (Crenaturricula) and belongs to Fusiturricula'
- 'Crepidula belongs to Calyptraeidae'
- 'Crommium belongs to Ampullospirinae'
- 'Cryptochorda belongs to Volutinae'
- 'Cryptochorda (Cryptochorda) belongs to Cryptochorda'
- 'Cryptoconinae belongs to Turridae'
- 'Cryptoconus belongs to Cryptoconinae'
- 'Cucullaearca was reranked as Barbatia (Cucullaearca) and belongs to Barbatia'
- 'Cylichna costata is recombined as Scaphander (Mirascapha) costatus'
- 'Cylichnacea belongs to Cephalaspidea'
- 'Cylichnella tantilla is recombined as Cylichnina tantilla'
- 'Cylichnidae belongs to Cylichnacea'
- 'Cylichnina belongs to Cylichnidae'
- 'Cymatiinae belongs to Ranellidae'
- 'Cypraeacea belongs to Mesogastropoda'
- 'Cypraeidae belongs to Cypraeacea'
- 'Dentaliidae belongs to Scaphopoda'
- 'Dentalium belongs to Dentaliidae'
- 'Dentalium stentor belongs to Dentalium'
- 'Drillia cooperi is recombined as Cryptoconus cooperi'
- 'Echinozoa belongs to Echinodermata'
- 'Echinus was reranked as the class Echinoidea and belongs to Echinozoa'
- 'Ectinochilus belongs to Strombidae'
- 'Ectinochilus (Macilentos) belongs to Ectinochilus'
- 'Emarginulidae was reranked as the subfamily Emarginulinae and belongs to Fissurellidae'
- 'Eocernina belongs to Ampullospirinae'
- 'Eopleurotoma belongs to Turrinae'
- 'Eopleurotoma whitakerpeakensis belongs to Eopleurotoma'
- 'Euechinoidea belongs to Echinoidea'
- 'Euspira was reranked as Polinices (Euspira) and belongs to Polinices'
- 'Euthyneura belongs to Gastropoda'
- 'Fasciolaria bilineata is recombined as Sassia bilineata'
- 'Fasciolariidae belongs to Buccinacea'
- 'Ficidae belongs to Tonnacea'
- 'Ficopsis belongs to Ficidae'
- 'Ficopsis remondii crescentensis belongs to Ficopsis remondii'
- 'Fimbria belongs to Fimbriidae'
- 'Fimbriidae belongs to Lucinacea'
- 'Fissurellacea belongs to Archaeogastropoda'
- 'Fissurellidae belongs to Fissurellacea'
- 'Fulgorariinae [misspelled as Fulgorarinae] belongs to Volutidae'
- 'Fusininae belongs to Fasciolariidae'
- 'Fusiturricula belongs to Turriculinae'
- 'Fusus (Hemifusus) remondii is recombined as Ficopsis remondii'
- 'Fusus mathewsonii is recombined as Surculites mathewsonii'
- 'Galeodea belongs to Cassidae'
- 'Galeodea (Gomphopages) belongs to Galeodea'
- 'Galeodea sutterensis meganosensis belongs to Galeodea sutterensis' according to Vokes 1939
- 'Galeodea sutterensis meganosensis is recombined as Galeodea (Gomphopages) meganosensis'
- 'Gari belongs to Psammobiinae'
- 'Gari texta belongs to Gari'
- 'Gisortia belongs to Bernayinae'
- 'Gisortia clarki belongs to Gisortia'
- 'Glycymerididae belongs to Limnopsacea'
- 'Glycymeridinae belongs to Glycymerididae'
- 'Glycymeris belongs to Glycymeridinae'
- 'Glycymeris (Glycymeris) belongs to Glycymeris'
- 'Glycymeris rosecanyonensis is recombined as Glycymeris (Glycymeris) rosecanyonensis'
- 'Glycymerita was reranked as Glycymeris (Glycymerita) and belongs to Glycymeris'
- 'Glyptoactis (Claibornicardia) belongs to Glyptoactis'
- 'Glyptoactis (Glyptoactis) belongs to Glyptoactis'
- 'Hemiasterina belongs to Spatangoida'
- 'Hemitoma belongs to Emarginulinae'
- 'Hemitoma (Montfortia) cantonensis belongs to Hemitoma (Montfortia)'
- 'Heterodonta belongs to Bivalvia'
- 'Hilgardia belongs to Nuculanidae'
- 'Incisilabium was reranked as Monodonta (Incisilabium) and belongs to Monodonta'
- 'Isocardia tejonensis is recombined as Callocardia (Nitidavenus) tejonensis'
- 'Leda parkei is recombined as Hilgardia parkei'
- 'Limopsacea is corrected as Limnopsacea and belongs to Arcoida'
- 'Lucina (Miltha) was reranked as Miltha and belongs to Milthinae'
- 'Lucina diegoensis is recombined as Claibornites diegoensis'
- 'Lucina packi is recombined as Miltha packi'
- 'Lucinacea belongs to Veneroida'
- 'Lucinidae belongs to Lucinacea'
- 'Lunatia nuciformis is recombined as Polinices (Euspira) nuciformis'
- 'Lyria belongs to Lyriinae'
- 'Lyria andersoni belongs to Lyria'
- 'Lyriinae belongs to Volutidae'
- 'Lyrischapa belongs to Fulgorarinae'
- 'Macaliopsis was reranked as Tellina (Macaliopsis) and belongs to Tellina'
- 'Macrocallista was reranked as Callista (Macrocallista) and belongs to Callista'
- 'Macrocallista (Costacallista) domenginica is recombined as Callista (Macrocallista) domenginica' according to Vokes 1939
- 'Macrocallista (Costacallista) domenginica is recombined as Callista (Macrocallista) domenginica'
- 'Mactracea belongs to Veneroida'
- 'Mactridae belongs to Mactracea'
- 'Mactrinae belongs to Mactridae'
- 'Meretrix hornii is recombined as Callista (Costacallista) hornii'
- 'Mesogastropoda belongs to Prosobranchia'
- 'Milthinae belongs to Lucinidae'
- 'Mitra cretacea is recombined as Proximitra cretacea'
- 'Modiolus (Brachydontes) cowlitzensis is recombined as Brachidontes (Brachidontes) cowlitzensis'
- 'Monodonta belongs to Monodontinae'
- 'Monodonta (Incisilabium) piruensis belongs to Monodonta (Incisilabium)'
- 'Monodontinae belongs to Trochidae'
- 'Montfortia was reranked as Hemitoma (Montfortia) and belongs to Hemitoma'
- 'Morio (Sconsia) tuberculatus is recombined as Phalium (Semicassis) tuberculiformis'
- 'Myacea belongs to Myina'
- 'Myina belongs to Myoida'
- 'Myoida belongs to Heterodonta'
- 'Mytilacea belongs to Mytiloida'
- 'Mytilidae belongs to Mytilacea'
- 'Mytiloida belongs to Pteriomorpha'
- 'Natica hannibali is recombined as Eocernina hannibali'
- 'Natica pinyonensis is recombined as Crommium pinyonensis'
- 'Naticacea belongs to Mesogastropoda'
- 'Naticidae belongs to Naticacea'
- 'Naticina obliqua is recombined as Sinum obliquum'
- 'Nemocardium belongs to Protocardiinae'
- 'Neogastropoda belongs to Gastropoda'
- 'Nerita belongs to Neritinae'
- 'Nerita (Theliostyla) belongs to Nerita'
- 'Nerita (Theliostyla) triangulata belongs to Nerita (Theliostyla)'
- 'Nerita perversa is recombined as Velates perversus'
- 'Neritacea belongs to Archaeogastropoda'
- 'Neritidae belongs to Neritacea'
- 'Neritinae belongs to Neritidae'
- 'Neverita belongs to Polinicinae'
- 'Neverita (Neverita) belongs to Neverita'
- 'Neverita globosa is recombined as Neverita (Neverita) globosa'
- 'Nucula decisa is recombined as Acila (Truncacila) decisa'
- 'Nuculacea belongs to Nuculoida'
- 'Nuculanacea belongs to Cephalaspidea'
- 'Nuculanidae belongs to Nuculanacea'
- 'Nuculidae belongs to Nuculacea'
- 'Nuculoida belongs to Palaeotaxodonta'
- 'Olivella belongs to Olivinae'
- 'Olivella mathewsonii belongs to Olivella'
- 'Olividae belongs to Volutacea'
- 'Olivinae belongs to Olividae'
- 'Ophiuroidea was reranked as a subclass and belongs to Stelleroidea'
- 'Ostrea belongs to Ostreinae'
- 'Ostrea haleyi belongs to Ostrea'
- 'Ostrea stewarti belongs to Ostrea'
- 'Ostreacea belongs to Ostreina'
- 'Ostreidae belongs to Ostreacea'
- 'Ostreina belongs to Pterioida'
- 'Ostreinae belongs to Ostreidae'
- 'Pachycrommium belongs to Ampullospirinae'
- 'Palaeotaxodonta belongs to Bivalvia'
- 'Paraseraphs belongs to Seraphsidae'
- 'Pectinacea belongs to Pteriina'
- 'Pejona lajollaensis is recombined as Lyrischapa lajollaensis'
- 'Phalium belongs to Cassidae'
- 'Pholadacea belongs to Pholadina'
- 'Pholadina belongs to Myoida'
- 'Pholadomya belongs to Pholadomyidae'
- 'Pholadomya (Bucardiomya) givensi belongs to Pholadomya (Bucardiomya)' according to Zinsmeister 1978
- 'Pholadomya (Bucardiomya) givensi belongs to Pholadomya (Bucardiomya)'
- 'Pholadomyacea belongs to Pholadomyoida'
- 'Pholadomyidae belongs to Pholadomyacea'
- 'Pholadomyoida belongs to Anomalodesmata'
- 'Pitar belongs to Pitarinae'
- 'Pitar (Lamelliconcha) belongs to Pitar'
- 'Pitar (Lamelliconcha) joaquinensis belongs to Pitar (Lamelliconcha)'
- 'Pitarinae belongs to Veneridae'
- 'Plagiocardium (Schedocardia) is reassigned into Acanthocardia'
- 'Pleurotoma (Pleurofusia) was reranked as Pleurofusia and belongs to Turriculinae'
- 'Pleurotoma fresnoensis is recombined as Pleurofusia fresnoensis'
- 'Plicatula belongs to Plicatulidae'
- 'Plicatula juncalensis belongs to Plicatula'
- 'Plicatulidae belongs to Pectinacea'
- 'Polinices belongs to Polinicinae'
- 'Polinicinae belongs to Naticidae'
- 'Polychaeta belongs to Annelida'
- 'Propeamussiidae belongs to Pectinacea'
- 'Prosobranchia belongs to Gastropoda'
- 'Protocardiinae belongs to Cardiidae'
- 'Proximitra belongs to Volutomitridae'
- 'Psammobiidae belongs to Tellinacea'
- 'Psammobiinae belongs to Psammobiidae'
- 'Pseudoaluco was reranked as Pseudovertagus (Pseudoaluco) and belongs to Pseudovertagus'
- 'Pseudoliva belongs to Olividae'
- 'Pseudoliva dilleri belongs to Pseudoliva'
- 'Pseudoperissolax belongs to Tudiclidae'
- 'Pseudoperissolax blakei praeblakei belongs to Pseudoperissolax blakei' according to Vokes 1939
- 'Pseudoperissolax blakei praeblakei belongs to Pseudoperissolax blakei'
- 'Pseudovertagus belongs to Cerithiinae'
- 'Pteriina belongs to Pterioida'
- 'Pterioida belongs to Pteriomorpha'
- 'Pteriomorpha belongs to Bivalvia'
- 'Pyramidella belongs to Pyramidellidae'
- 'Pyramidella preblei belongs to Pyramidella'
- 'Pyramidellacea belongs to Cephalaspidea'
- 'Pyramidellidae belongs to Pyramidellacea'
- 'Ranellidae belongs to Tonnacea'
- 'Rimella macilenta is recombined as Ectinochilus (Macilentos) macilentus'
- 'Rotularia belongs to Serpulidae'
- 'Rotularia (Rotularia) belongs to Rotularia' according to Defrance 1827
- 'Rotularia (Rotularia) belongs to Rotularia'
- 'Sabellida belongs to Polychaeta'
- 'Scaphander belongs to Cylichnidae'
- 'Scaphander (Mirascapha) belongs to Scaphander'
- 'Scaphopoda belongs to Mollusca'
- 'Schizaster belongs to Schizasteridae'
- 'Schizasterinae was reranked as the family Schizasteridae and belongs to Hemiasterina'
- 'Scleractinia belongs to Zoantharia'
- 'Semicassis was reranked as Phalium (Semicassis) and belongs to Phalium'
- 'Septifer belongs to Mytilidae'
- 'Septifer (Septifer) belongs to Septifer'
- 'Seraphsidae belongs to Strombacea'
- 'Serpulidae belongs to Sabellida'
- 'Sininae belongs to Naticidae'
- 'Sinum belongs to Sininae'
- 'Solen novacula is recombined as Solena (Eosolen) novacularis'
- 'Solena belongs to Solenidae'
- 'Solena (Eosolen) belongs to Solena'
- 'Solenacea belongs to Veneroida'
- 'Solenidae belongs to Solenacea'
- 'Spatangoida belongs to Atelostomata'
- 'Spiroglyphus tejonensis is recombined as Rotularia (Rotularia) tejonense'
- 'Spisula belongs to Mactrinae'
- 'Spisula (Hemimactra) merriami is recombined as Spisula merriami'
- 'Stellaxis was reranked as Architectonica (Stellaxis) and belongs to Architectonica'
- 'Stelleroidea belongs to Asterozoa'
- 'Strepsidura belongs to Olividae'
- 'Streptochetus belongs to Fusininae'
- 'Streptochetus californiana belongs to Streptochetus'
- 'Strombacea belongs to Mesogastropoda'
- 'Strombidae belongs to Strombacea'
- 'Surcula crenatospira is recombined as Fusiturricula (Crenaturricula) crenatospira'
- 'Surculites belongs to Turriculinae'
- 'Tellina belongs to Tellininae'
- 'Tellinacea belongs to Veneroida'
- 'Tellinidae belongs to Tellinacea'
- 'Tellininae belongs to Tellinidae'
- 'Teredinidae belongs to Pholadacea'
- 'Teredininae belongs to Teredinidae'
- 'Teredo belongs to Teredininae'
- 'Tonnacea belongs to Mesogastropoda'
- 'Tornatina erratica is recombined as Paraseraphs erraticus'
- 'Trochacea belongs to Archaeogastropoda'
- 'Trochidae belongs to Trochacea'
- 'Trochita diegoana is recombined as Calyptraea diegoana'
- 'Tudiclidae belongs to Volutacea'
- 'Turriculinae belongs to Turridae'
- 'Turridae belongs to Conacea'
- 'Turrinae belongs to Turridae'
- 'Turritella belongs to Turritellidae'
- 'Turritella andersoni belongs to Turritella'
- 'Turritella applini is recombined as Turritella uvasana applinae'
- 'Turritella buwaldana belongs to Turritella'
- 'Turritella meganosensis belongs to Turritella'
- 'Turritella meganosensis protumescens belongs to Turritella meganosensis'
- 'Turritella merriami belongs to Turritella'
- 'Turritella uvasana belongs to Turritella'
- 'Turritella uvasana infera belongs to Turritella uvasana'
- 'Turritellidae belongs to Cerithiacea'
- 'Varicorbula was reranked as Corbula (Varicorbula) and belongs to Corbula'
- 'Velates belongs to Neritinae'
- 'Veneracea belongs to Veneroida'
- 'Venericardia belongs to Venericardiinae'
- 'Venericardia (Glyptoactis) was reranked as Glyptoactis and belongs to Carditesinae'
- 'Venericardia (Glyptoactis) domenginica is recombined as Glyptoactis (Glyptoactis) domenginica'
- 'Venericardia (Pacificor) belongs to Venericardia'
- 'Venericardia hornii aragonia is recombined as Venericardia (Pacificor) aragonia'
- 'Venericardiinae belongs to Carditidae'
- 'Veneridae belongs to Veneracea'
- 'Veneroida belongs to Heterodonta'
- 'Volutacea belongs to Neogastropoda'
- 'Volutidae belongs to Volutacea'
- 'Volutinae belongs to Volutidae'
- 'Volutomitridae belongs to Volutacea'
- 'Whitneya ficus is recombined as Strepsidura ficus'
- 'Zoantharia belongs to Anthozoa'