Opinions from H. E. Vokes 1939
- 'Acila gabbiana is a subjective synonym of Acila (Truncacila) decisa'
- 'Actaeon moodyi is recombined as Kleinacteon moodyi'
- 'Amaurellina garzaensis belongs to Amaurellina'
- 'Amaurellina multiangulata belongs to Amaurellina'
- 'Ampullella schencki belongs to Ampullella'
- 'Arca hornii is recombined as Trigonodesma hornii'
- 'Arca hornii elusa is recombined as Trigonodesma hornii elusa'
- 'Astarte semidentata is recombined as Crassatella uvasana semidentata'
- 'Axinaea (Limopsis) sagittata is recombined as Glycymeris sagittata'
- 'Bonellitia megapex belongs to Bonellitia'
- 'Bullaea gabbiana is recombined as Megistostoma gabbianum'
- 'Cardiomya turneri belongs to Cardiomya'
- 'Cardita hornii is recombined as Megacardita (Venericor) hornii'
- 'Cardita hornii is recombined as Venericardia planicosta hornii' according to Dickerson 1916
- 'Conus caleocius belongs to Conus'
- 'Corbicula carlosensis belongs to Corbicula'
- 'Crepidula inornata is recombined as Crepidula (Spirocrypta) inornata'
- 'Cuneocorbula griswoldensis belongs to Cuneocorbula'
- 'Cylichna (Cylichnopsis) compara belongs to Cylichna (Cylichnopsis)'
- 'Cylichnopsis was reranked as Cylichna (Cylichnopsis) and belongs to Cylichna'
- 'Dentalium (Antalis) apicostatum belongs to Dentalium (Antalis)'
- 'Dentalium (Laevidentalium) calafium belongs to Dentalium (Laevidentalium)'
- 'Dentalium (Laevidentalium) lighti belongs to Dentalium (Laevidentalium)'
- 'Eosurcula capayana belongs to Eosurcula'
- 'Exilia taliaferroi belongs to Exilia'
- 'Exilia ucalia belongs to Exilia'
- 'Fusinus marysvillensis is recombined as Falsifusus marysvillensis'
- 'Fusinus ucalius belongs to Fusinus'
- 'Gari eoundulata belongs to Gari'
- 'Glycymeris reefensis belongs to Glycymeris'
- 'Isocardia tejonensis is recombined as Nitidavenus tejonensis'
- 'Jupiteria (Ledina) duttonae belongs to Jupiteria (Ledina)'
- 'Keilostoma californicum belongs to Keilostoma'
- 'Leda parkei is recombined as Nuculana parkei'
- 'Ledina was reranked as Jupiteria (Ledina) and belongs to Jupiteria'
- 'Lucina bramkampi belongs to Lucina'
- 'Lucina packi is recombined as Miltha (Eomiltha) packi'
- 'Macoma sheridani belongs to Macoma'
- 'Macrocallista (Costacallista) domenginica belongs to Macrocallista (Costacallista)'
- 'Marcia conradi is recombined as Nitidavenus conradi'
- 'Marginella (Leptegouana) hulini belongs to Marginella (Leptegouana)'
- 'Megacardita belongs to Carditidae'
- 'Megacardita (Venericor) aragonia smileyi belongs to Megacardita (Venericor) aragonia'
- 'Megacardita (Venericor) hornii carlosensis belongs to Megacardita (Venericor) hornii'
- 'Megacardita (Venericor) hornii joaquinensis belongs to Megacardita (Venericor) hornii'
- 'Megacardita (Venericor) vallecitosensis belongs to Megacardita (Venericor)'
- 'Melanella coalingana belongs to Melanella'
- 'Meretrix hornii is recombined as Pitar (Lamelliconcha) hornii'
- 'Metula harrisi is recombined as Cumia harrisi'
- 'Microsurcula ligna belongs to Microsurcula'
- 'Molopophorus aequicostatus belongs to Molopophorus'
- 'Myrtucina was reranked as Myrtea (Myrtucina) and belongs to Myrtea'
- 'Mysia polita is recombined as Taras politus'
- 'Natica alveata is recombined as Amauropsis alveata' according to Dickerson 1916
- 'Natica domenginica belongs to Natica'
- 'Nerita (Amphinerita) eorex belongs to Nerita (Amphinerita)'
- 'Nuculana (Saccella) chaneyi belongs to Nuculana (Saccella)'
- 'Nuculana (Saccella) hondana belongs to Nuculana (Saccella)'
- 'Odostomia griswoldensis belongs to Odostomia'
- 'Pachydesma sulcataria belongs to Pachydesma'
- 'Pedalion joaquinensis belongs to Pedalion'
- 'Periploma eodiscus belongs to Periploma'
- 'Pitar (Calpitaria) campi belongs to Pitar (Calpitaria)'
- 'Pitar (Lamelliconcha) avenalensis belongs to Pitar (Lamelliconcha)'
- 'Pitar (Lamelliconcha) joaquinensis belongs to Pitar (Lamelliconcha)'
- 'Propeamussium mideocenicum belongs to Propeamussium'
- 'Ranella domenginica belongs to Ranella'
- 'Solen domenginicus belongs to Solen'
- 'Spisula capayana belongs to Spisula'
- 'Surcula holwayi is recombined as Turricula holwayi'
- 'Taras unisulcatus belongs to Taras'
- 'Tectarius ligniticus belongs to Tectarius'
- 'Tellina domenginensis belongs to Tellina'
- 'Terebellum californicum belongs to Terebellum'
- 'Tivelina delicatina belongs to Tivelina'
- 'Tivelina idriaensis belongs to Tivelina'
- 'Tornatellaea effingeri belongs to Tornatellaea'
- 'Trachycardium (Agnocardia) belongs to Trachycardium'
- 'Tritonium whitneyi is recombined as Muricopsis whitneyi'
- 'Turris claytonensis is recombined as Domenginella claytonensis'
- 'Umpquaia flangella belongs to Umpquaia'
- 'Venericardia belongs to Carditidae'
- 'Venericardia (Glyptoactis) belongs to Venericardia'
- 'Venericardia (Glyptoactis) domenginica belongs to Venericardia (Glyptoactis)'
- 'Venericardia (Venericor) is reassigned into Megacardita'
- 'Venericardia (Venericor) hornii calafia is recombined as Megacardita (Venericor) hornii calafia'
- 'Venericardia domenginica belongs to Venericardia'
- 'Venericardia hornii aragonia is recombined as Megacardita (Venericor) aragonia'
- 'Voluta eomagna belongs to Voluta'
- 'Vulsella clarki belongs to Vulsella'