Opinions from T. Okutaini 2000
- 'Arca adamsiana belongs to Arca' according to Dunker 1866
- 'Arca arabica belongs to Arca' according to Philippi 1947
- 'Arca arabica is a subjective synonym of Arca avellana' according to Oliver 1992
- 'Arca avellana belongs to Arca'
- 'Arca boucardi belongs to Arca'
- 'Arca broughtoni is recombined as Scapharca broughtonii'
- 'Arca fusca is recombined as Barbatia (Ustularca) fusca'
- 'Arca granosa is recombined as Tegillarca granosa'
- 'Arca granosa is recombined as Anadara granosa' according to Nomura 1932
- 'Arca kikaizimana belongs to Arca' according to Nomura and Zinbo 1934
- 'Arca kikaizimana is recombined as Kikaiarca kikaizimana'
- 'Arca plicata is recombined as Acar plicata'
- 'Arca satowi is recombined as Scapharca satowi'
- 'Arca satowi belongs to Arca' according to Dunker 1882
- 'Arca stearnsi belongs to Arca' according to Pilsbry 1895
- 'Arca stearnsi is recombined as Barbatia (Ustularca) stearnsii'
- 'Arca symmetrica belongs to Arca' according to Reeve 1844
- 'Arca symmetrica is recombined as Arcopsis symmetrica'
- 'Arca symmetrica is recombined as Striarca (Arcopsis) symmetrica' according to Amano 2000
- 'Arca ventricosa belongs to Arca'
- 'Blasicrura was reranked as Cypraea (Blasicrura) and belongs to Cypraea'
- 'Buccinum cassidariaeformis belongs to Buccinum' according to Reeve 1843
- 'Buccinum cassidariaeformis is recombined as Siphonalia cassidariaeformis'
- 'Buccinum fumosum belongs to Buccinum' according to Dillwyn 1817
- 'Buccinum fumosum is recombined as Cantharus (Pollia) fumosus'
- 'Buccinum modestum belongs to Buccinum' according to Gould 1860
- 'Buccinum modestum is recombined as Searlesia modesta'
- 'Buccinum signum belongs to Buccinum' according to Reeve 1846
- 'Buccinum signum is recombined as Siphonalia signa'
- 'Crepidula gravispinosa belongs to Crepidula' according to Kuroda and Habe 1950
- 'Crepidula gravispinosa is recombined as Crepidula (Bostrycapulus) gravispinosus'
- 'Crepidula walshi is recombined as Ergaea walshi'
- 'Cypraea (Lyncina) belongs to Cypraea'
- 'Cypraea asellus is recombined as Cypraea (Palmadusta) asellus'
- 'Cypraea caputserpentis is recombined as Cypraea (Erosaria) caputserpentis'
- 'Cypraea cicercula belongs to Cypraea' according to Linnaeus 1758
- 'Cypraea cicercula is recombined as Cypraea (Pustularia) cicercula'
- 'Cypraea erosa is recombined as Cypraea (Erosaria) erosa'
- 'Cypraea fimbriata belongs to Cypraea' according to Gmelin 1791
- 'Cypraea fimbriata is recombined as Cypraea (Purpuradusta) fimbriata'
- 'Cypraea gracilis belongs to Cypraea' according to Gaskoin 1848
- 'Cypraea gracilis is recombined as Cypraea (Purpuradusta) gracilis'
- 'Cypraea helvola is recombined as Cypraea (Erosaria) helvola'
- 'Cypraea nucleus belongs to Cypraea' according to Linnaeus 1758
- 'Cypraea nucleus is recombined as Cypraea (Staphylaea) nucleus'
- 'Cypraea pilula is recombined as Niveria pilula'
- 'Cypraea teres belongs to Cypraea' according to Gmelin 1791
- 'Cypraea teres is recombined as Cypraea (Blasicrura) teres'
- 'Cypraea vitellus is recombined as Cypraea (Lyncina) vitellus'
- 'Eburna japonica belongs to Eburna' according to Reeve 1842
- 'Eburna japonica is recombined as Babylonia japonica'
- 'Enzinopsis belongs to Buccinidae'
- 'Ergaea belongs to Calyptraeidae'
- 'Fusus polygonoides is recombined as Latirus polygonoides'
- 'Hipponyx foliacea belongs to Hipponyx' according to Quoy and Gaimard 1834
- 'Hipponyx foliacea is recombined as Hipponix (Antisabia) foliacea'
- 'Kikaiarca belongs to Arcidae'
- 'Lachryma was reranked as Erato (Lachryma) and belongs to Erato'
- 'Natica candidissimus is recombined as Polinices candidissimus'
- 'Natica flemingiana is recombined as Polinices flemingianus'
- 'Natica gualteriana belongs to Natica'
- 'Nerita melanostoma is recombined as Mammilla melanostoma'
- 'Nerita melanostoma is recombined as Polinices melanostoma' according to Nomua 1934
- 'Ovulum gallinaceum belongs to Ovulum' according to Hinds 1844
- 'Ovulum gallinaceum is recombined as Erato (Lachryma) gallinacea'
- 'Palmadusta was reranked as Cypraea (Palmadusta) and belongs to Cypraea'
- 'Phorus exutus is recombined as Stellaria (Onustus) exutus'
- 'Phorus pallidulus belongs to Phorus' according to Reeve 1842
- 'Phorus pallidulus is recombined as Xenophora pallidula'
- 'Pollia menkeana belongs to Pollia' according to Dunker 1860
- 'Pollia menkeana is recombined as Enzinopsis menkeana'
- 'Pollia menkeana is recombined as Engina menkeana' according to Nomua 1932
- 'Purpuradusta was reranked as Cypraea (Purpuradusta) and belongs to Cypraea'
- 'Searlesia fuscolabiata belongs to Searlesia' according to Smith 1874
- 'Searlesia fuscolabiata is a subjective synonym of Searlesia modesta'
- 'Trivia edgari belongs to Trivia' according to Shaw 1909
- 'Trivia edgari is recombined as Trivirostra edgari'
- 'Vermetus imbricatus belongs to Vermetus' according to Dunker 1860
- 'Vermetus imbricatus is recombined as Serpulorbis imbricatus'
- 'Vermetus imbricatus is recombined as Serpulorbis imbricata' according to Matsushima 1968
- 'Vermetus tokyoensis belongs to Vermetus' according to Pilsbry 1895
- 'Vermetus tokyoensis belongs to Vermetus'
- 'Xenophora (Onustus) is reassigned into Stellaria'