Opinions from T. Nagao 1928
- 'Acila was reranked as Nucula (Acila) and belongs to Nucula'
- 'Acila mirabilis is recombined as Nucula (Acila) mirabilis'
- 'Acmaea belongs to Acmaeidae'
- 'Acmaea subangulata belongs to Acmaea'
- 'Ampullina belongs to Naticidae'
- 'Arca belongs to Arcidae'
- 'Arca (Noetia) pondaungensis belongs to Arca (Noetia)'
- 'Athleta belongs to Volutidae'
- 'Athleta (Volutospina) japonica belongs to Athleta (Volutospina)'
- 'Athleta (Volutospina) nishimurai belongs to Athleta (Volutospina)'
- 'Bullia (Molopophorus) was reranked as Molopophorus and belongs to Nassidae'
- 'Busycon blakei is recombined as Pseudoperissolax blakei'
- 'Calliostoma belongs to Trochidae'
- 'Calyptraea belongs to Capulidae'
- 'Calyptraea (Siphopatella) mamillaris is recombined as Calyptraea (Trochita) mamillaris'
- 'Cancellaria belongs to Cancellariidae'
- 'Carcharias belongs to Carchariidae'
- 'Carcharias turgidus is recombined as Carcharodon turgidus'
- 'Cardita belongs to Carditidae'
- 'Cardita katsumatai belongs to Cardita'
- 'Cardita kondoi belongs to Cardita'
- 'Cardita margaritacea is recombined as Pholadomya margaritacea'
- 'Cardium belongs to Cardiidae'
- 'Cardium (Cerastoderma) hizenense belongs to Cardium (Cerastoderma)'
- 'Cardium (Cerastoderma) kishimaense belongs to Cardium (Cerastoderma)'
- 'Cerastoderma was reranked as Cardium (Cerastoderma) and belongs to Cardium'
- 'Chlamys was reranked as Pecten (Chlamys) and belongs to Pecten'
- 'Chrysodomus belongs to Buccinidae'
- 'Chrysodomus altispiratus belongs to Chrysodomus'
- 'Chrysodomus asakuraensis belongs to Chrysodomus'
- 'Chrysodomus chikuzenensis belongs to Chrysodomus'
- 'Corbula belongs to Corbulidae'
- 'Corbula (Corbula) subtumida belongs to Corbula (Corbula)'
- 'Crassatellites belongs to Crassatellitidae'
- 'Crassatellites asakuraensis belongs to Crassatellites'
- 'Crassatellites inconspicuus belongs to Crassatellites'
- 'Crassatellites matsuraensis belongs to Crassatellites'
- 'Crassatellites yabei belongs to Crassatellites'
- 'Crenella belongs to Mytilidae'
- 'Crenella striatocostata belongs to Crenella'
- 'Crenella subfornicata belongs to Crenella'
- 'Crommium was reranked as Ampullina (Crommium) and belongs to Ampullina'
- 'Cucullaea belongs to Parallelodontidae'
- 'Cucullaea nipponica belongs to Cucullaea'
- 'Cultellus belongs to Solenidae'
- 'Cultellus brevis belongs to Cultellus'
- 'Cultellus izumoensis belongs to Cultellus'
- 'Cultellus leguminoides belongs to Cultellus'
- 'Cyclina belongs to Veneridae'
- 'Cyclina compressa belongs to Cyclina'
- 'Cyclina nodai belongs to Cyclina'
- 'Cylichna belongs to Scaphandridae'
- 'Cylichna takashimaensis belongs to Cylichna'
- 'Cyrena belongs to Cyrenidae'
- 'Cyrena mirabilis belongs to Cyrena'
- 'Dentalium belongs to Dentaliidae'
- 'Dentalium ashiyaensis belongs to Dentalium'
- 'Diloma belongs to Trochidae'
- 'Diplodonta belongs to Diplodontidae'
- 'Diplodonta confusa belongs to Diplodonta'
- 'Dosinia belongs to Veneridae'
- 'Dosinia chikuzenensis belongs to Dosinia'
- 'Echinodiscus belongs to Scutellidae'
- 'Echinodiscus chikuzenensis belongs to Echinodiscus'
- 'Epitonium belongs to Scalariidae'
- 'Epitonium hospitum belongs to Epitonium'
- 'Epitonium submaculosum belongs to Epitonium'
- 'Euspira was reranked as Polinices (Euspira) and belongs to Polinices'
- 'Faunus belongs to Melaniidae'
- 'Faunus (Melanatria) kahoensis belongs to Faunus (Melanatria)'
- 'Fulgoraria belongs to Volutidae'
- 'Fulgoraria megaspira belongs to Fulgoraria' according to Sowerby 1844
- 'Fulgoraria megaspira is recombined as Fulgoraria (Psephaea) megaspira'
- 'Galeodea belongs to Strombidae'
- 'Glycimeris altoumbonata belongs to Glycimeris'
- 'Glycymeris [misspelled as Glycimeris] belongs to Arcidae'
- 'Glycymeris cisshuensis belongs to Glycymeris'
- 'Glycymeris cisshuensis compressa belongs to Glycymeris cisshuensis'
- 'Hinia was reranked as Nassa (Hinia) and belongs to Nassa'
- 'Lamna cuspidata is recombined as Carcharias cuspidatus'
- 'Leda belongs to Ledidae'
- 'Lima belongs to Limidae'
- 'Lima goliath belongs to Lima' according to Sowerby 1883
- 'Lima goliath belongs to Lima'
- 'Linthia belongs to Spatangoidea'
- 'Linthia praenipponica belongs to Linthia'
- 'Lucina pullensis belongs to Lucina' according to Oppenheim 1894
- 'Lucina pullensis is recombined as Phacoides pullensis'
- 'Lucinoma was reranked as Phacoides (Lucinoma) and belongs to Phacoides'
- 'Lyria belongs to Volutidae'
- 'Macoma belongs to Tellinidae'
- 'Macoma yamadai belongs to Macoma'
- 'Macrocallista belongs to Veneridae'
- 'Macrocallista hanzawai belongs to Macrocallista'
- 'Macrocallista kahoensis belongs to Macrocallista'
- 'Macrocallista matsuraensis belongs to Macrocallista'
- 'Melanatria was reranked as Faunus (Melanatria) and belongs to Faunus'
- 'Meretrix belongs to Veneridae'
- 'Meretrix pseudomeretrix belongs to Meretrix'
- 'Modiola is corrected as Modiolus and belongs to Mytilidae'
- 'Mytilus belongs to Mytilidae'
- 'Mytilus rigaultii belongs to Mytilus'
- 'Nassa belongs to Nassidae'
- 'Nassa (Hinia) denselineata belongs to Nassa (Hinia)'
- 'Neverita was reranked as Polinices (Neverita) and belongs to Polinices'
- 'Noetia was reranked as Arca (Noetia) and belongs to Arca'
- 'Nucula belongs to Nuculidae'
- 'Nucula karatsuensis belongs to Nucula'
- 'Nucula nizenensis belongs to Nucula'
- 'Ocenebra is corrected as Ocinebra and belongs to Muricidae'
- 'Ocenebra ashiyaensis belongs to Ocenebra'
- 'Orthaulax belongs to Strombidae'
- 'Orthaulax japonicus belongs to Orthaulax'
- 'Ostrea belongs to Ostreidae'
- 'Ostrea cassis belongs to Ostrea'
- 'Ostrea gigas belongs to Ostrea'
- 'Ostrea kahoensis belongs to Ostrea'
- 'Ostrea lunaeformis belongs to Ostrea'
- 'Ostrea sakitoensis belongs to Ostrea'
- 'Oxystele was reranked as Diloma (Oxystele) and belongs to Diloma'
- 'Paphia belongs to Veneridae'
- 'Parapholas belongs to Pholadidae'
- 'Parapholas satoi belongs to Parapholas'
- 'Pecten belongs to Pectinidae'
- 'Pecten (Chlamys) ashiyaensis belongs to Pecten (Chlamys)'
- 'Pecten (Chlamys) sakitoensis belongs to Pecten (Chlamys)'
- 'Pecten kyushuensis belongs to Pecten'
- 'Phacoides belongs to Lucinidae'
- 'Phalium belongs to Cassidae'
- 'Pholadomya belongs to Pholadomyidae'
- 'Pinna belongs to Pinnidae'
- 'Pinna asakuraensis belongs to Pinna'
- 'Pitaria belongs to Veneridae'
- 'Pitaria altoumbonata belongs to Pitaria'
- 'Pitaria ashiyaensis belongs to Pitaria'
- 'Pitaria kyushuensis belongs to Pitaria'
- 'Pitaria matsumotoi belongs to Pitaria'
- 'Pitaria takashimaensis belongs to Pitaria'
- 'Pitaria yokoyamai belongs to Pitaria'
- 'Pododesmus belongs to Anomiidae'
- 'Pododesmus newcombei belongs to Pododesmus'
- 'Polinices belongs to Naticidae'
- 'Polinices (Euspira) ashiyaensis belongs to Polinices (Euspira)'
- 'Polinices (Neverita) insignis belongs to Polinices (Neverita)'
- 'Psephaea was reranked as Fulgoraria (Psephaea) and belongs to Fulgoraria'
- 'Pseudoperissolax belongs to Fusidae'
- 'Pseudoperissolax merriami belongs to Pseudoperissolax'
- 'Rimella belongs to Strombidae'
- 'Scalariidae belongs to Gastropoda'
- 'Scutella belongs to Scutellidae'
- 'Scutella nipponica belongs to Scutella'
- 'Septifer belongs to Mytilidae'
- 'Siliqua belongs to Solenidae'
- 'Siphonalia belongs to Buccinidae'
- 'Siphonalia supragranulata belongs to Siphonalia'
- 'Solen belongs to Solenidae'
- 'Solen intermedius belongs to Solen'
- 'Spisula belongs to Mactridae'
- 'Tellina belongs to Tellinidae'
- 'Tellina equideclivis belongs to Tellina'
- 'Tellina tricarinata belongs to Tellina'
- 'Trochita was reranked as Calyptraea (Trochita) and belongs to Calyptraea'
- 'Turris belongs to Turridae'
- 'Turritella belongs to Turritellidae'
- 'Turritella karatsuensis belongs to Turritella'
- 'Turritella nipponica belongs to Turritella' according to Yokohama 1927
- 'Turritella nipponica infralirata belongs to Turritella nipponica'
- 'Turritella sakitoensis belongs to Turritella'
- 'Unio belongs to Unionidae'
- 'Venericardia belongs to Carditidae'
- 'Venericardia nipponica belongs to Venericardia'
- 'Venericardia subnipponica belongs to Venericardia'
- 'Venericardia yoshidai belongs to Venericardia'
- 'Volutilithes belongs to Volutidae'
- 'Volutospina was reranked as Athleta (Volutospina) and belongs to Athleta'
- 'Yoldia belongs to Ledidae'
- 'Yoldia scaphoides belongs to Yoldia'