Opinions from W. P. Woodring 1973
- 'Acila belongs to Nuculidae'
- 'Acila (Acila) belongs to Acila'
- 'Acila isthmica burica belongs to Acila isthmica' according to Olsson 1942
- 'Acila isthmica burica is recombined as Acila (Acila) isthmica burica'
- 'Adrana belongs to Nuculanidae'
- 'Adrana stena belongs to Adrana'
- 'Anadara (Anadara) carmenensis is recombined as Anadara (Rasia) carmenensis'
- 'Anadara (Rasia) athroa belongs to Anadara (Rasia)'
- 'Anadara (Rasia) dariensis progonica belongs to Anadara (Rasia) dariensis'
- 'Anadara (Rasia) honensis adiaphora belongs to Anadara (Rasia) honensis'
- 'Anadara (Rasia) lienosa trochala belongs to Anadara (Rasia) lienosa'
- 'Anadara (Rasia) lita belongs to Anadara (Rasia)'
- 'Anadara (Tosarca) belongs to Anadara'
- 'Anadara (Tosarca) campta belongs to Anadara (Tosarca)'
- 'Anadara garitensis belongs to Anadara' according to Olsson 1932
- 'Anadara garitensis is recombined as Anadara (Grandiarca) garitensis'
- 'Anadara istmica is a subjective synonym of Anadara (Rasia) actinophora'
- 'Arca belongs to Arcidae'
- 'Arca (Anadara) nelsoni belongs to Arca (Anadara)' according to Spieker 1922
- 'Arca (Anadara) nelsoni is a subjective synonym of Anadara (Grandiarca) chiriquiensis'
- 'Arca (Anadara) toroensis belongs to Arca (Anadara)' according to Spieker 1922
- 'Arca (Anadara) toroensis is a subjective synonym of Anadara (Grandiarca) chiriquiensis'
- 'Arca (Barbatia) leonensis is recombined as Barbatia leonensis' according to Mansfield 1932
- 'Arca (Barbatia) leonensis is recombined as Calloarca (Taeniarca) leonensis'
- 'Arca (Barbatia) phalacra belongs to Arca (Barbatia)' according to Dall 1890
- 'Arca (Barbatia) phalacra is recombined as Calloarca (Taeniarca) phalacra'
- 'Arca (Diluvarca) sechurana belongs to Arca (Diluvarca)' according to Olsson 1932
- 'Arca (Diluvarca) sechurana is recombined as Anadara (Rasia) sechurana'
- 'Arca (Scapharca) crescens belongs to Arca (Scapharca)' according to Spieker 1922
- 'Arca (Scapharca) crescens is a subjective synonym of Anadara (Grandiarca) chiriquiensis'
- 'Arca (Scapharca) fissicosta is recombined as Anadara (Rasia) fissicosta'
- 'Arca (Scapharca) fissicosta belongs to Arca (Scapharca)' according to Spieker 1922
- 'Arca (Scapharca) guajatica belongs to Arca (Scapharca)' according to Sheldon and Maury 1920
- 'Arca (Scapharca) guajatica is recombined as Anadara (Hawaiarca) guajatica'
- 'Arca (Scapharca) honensis is recombined as Anadara honensis' according to Olsson 1922
- 'Arca (Scapharca) honensis is recombined as Anadara (Rasia) honensis'
- 'Arca (Scapharca) imporcata belongs to Arca (Scapharca)' according to Spieker 1922
- 'Arca (Scapharca) imporcata is a subjective synonym of Anadara (Grandiarca) chiriquiensis'
- 'Arca lesueuri is a subjective synonym of Anadara (Rasia) mississippiensis'
- 'Arca alternata belongs to Arca' according to Sowerby 1833
- 'Arca alternata is recombined as Calloarca (Taeniarca) alternata'
- 'Arca anguillana belongs to Arca' according to Cooke 1919
- 'Arca anguillana is recombined as Anadara (Grandiarca) chiriquiensis anguillana'
- 'Arca antiquata is recombined as Anadara (Anadara) antiquata'
- 'Arca cancellaria is recombined as Barbatia (Barbatia) cancellaria'
- 'Arca candida is recombined as Barbatia candida'
- 'Arca chiriquiensis is recombined as Anadara (Grandiarca) chiriquiensis'
- 'Arca concinna belongs to Arca' according to Sowerby 1833
- 'Arca concinna is recombined as Anadara (Rasia) concinna'
- 'Arca dariensis is recombined as Anadara (Rasia) dariensis'
- 'Arca domingensis is recombined as Acar domingensis'
- 'Arca emarginata is recombined as Anadara (Rasia) emarginata'
- 'Arca emarginata belongs to Arca' according to Sowerby 1833
- 'Arca emarginata is recombined as Anadara emarginata' according to Maury 1922
- 'Arca formosa belongs to Arca' according to Sowerby 1833
- 'Arca formosa is recombined as Anadara (Rasia) formosa'
- 'Arca gatunensis is a subjective synonym of Anadara (Rasia) dariensis'
- 'Arca imbricata belongs to Arca'
- 'Arca inaequilateralis is recombined as Anadara (Rasia) inaequilateralis'
- 'Arca larkinii is recombined as Larkinia larkinii' according to Reinhart 1935
- 'Arca lienosa is recombined as Anadara (Rasia) lienosa'
- 'Arca medioamericana is recombined as Anadara (Rasia) medioamericana'
- 'Arca mississippiensis is recombined as Anadara (Rasia) mississippiensis'
- 'Arca obesiformis belongs to Arca' according to Grzybowski 1899
- 'Arca obesiformis is a subjective synonym of Anadara (Grandiarca) chiriquiensis'
- 'Arca pectinata is recombined as Glycymeris (Tucetona) pectinata'
- 'Acar reticulata is a subjective synonym of Acar domingensis'
- 'Arca septifera belongs to Arca' according to Grzybowski 1899
- 'Arca septifera is a subjective synonym of Anadara (Grandiarca) chiriquiensis'
- 'Arca umbonata is a subjective synonym of Arca imbricata'
- 'Arca websteri belongs to Arca' according to Pilsbry 1910
- 'Arca websteri is a subjective synonym of Anadara (Grandiarca) chiriquiensis'
- 'Barbatia (Cucullaria) taeniata is recombined as Calloarca (Taeniarca) taeniata'
- 'Bayania belongs to Pseudomelaniidae'
- 'Bayania epelys belongs to Bayania'
- 'Bulimus lacteus is recombined as Bayania lactea'
- 'Calloarca belongs to Arcidae'
- 'Calloarca (Taeniarca) cachla belongs to Calloarca (Taeniarca)' according to Olsson 1964
- 'Charadreon belongs to Pseudomelaniidae'
- 'Charadreon leptus belongs to Charadreon'
- 'Cyphoma was reranked as Ovula (Cyphoma) and belongs to Ovula' according to Dautzenberg 1900
- 'Dentalium granadanum is recombined as Fissidentalium granadanum'
- 'Glycymeris canalis is recombined as Glycymeris (Tucetona) pectinata canalis'
- 'Hannatoma belongs to Potamidinae'
- 'Hawaiarca was reranked as Anadara (Hawaiarca) and belongs to Anadara'
- 'Hawaiarca rectangula is recombined as Anadara (Hawaiarca) rectangula'
- 'Idioraphe was reranked as Teinostoma (Idioraphe) and belongs to Teinostoma'
- 'Jupiteria belongs to Nuculanidae'
- 'Jupiteria aipeia belongs to Jupiteria'
- 'Leda (Jupiteria) bowdenensis subtumida is recombined as Jupiteria subtumida'
- 'Leda acapulcensis belongs to Leda' according to Pilsbry and Lowe 1932
- 'Leda acapulcensis is recombined as Saccella acapulcensis'
- 'Leda acrita belongs to Leda' according to Dall 1908
- 'Leda acrita is recombined as Saccella acrita'
- 'Leda acuminata is recombined as Saccella acuminata'
- 'Leda balboae is recombined as Saccella balboae'
- 'Leda canonica belongs to Leda' according to Dall 1890
- 'Leda canonica is recombined as Saccella canonica'
- 'Leda incognita belongs to Leda' according to Guppy 1867
- 'Leda incognita is recombined as Saccella incognita'
- 'Leda newcombi belongs to Leda' according to Angas 1878
- 'Leda newcombi is recombined as Adrana newcombi'
- 'Leda ornata belongs to Leda' according to d'Orbigny 1845
- 'Leda ornata is recombined as Saccella ornata'
- 'Leda packardi belongs to Leda' according to Forbes 1848
- 'Leda packardi is recombined as Saccella packardi'
- 'Leda peruviana is recombined as Saccella peruviana'
- 'Leda rosa is recombined as Portlandia (Portlandella) rosa'
- 'Leda solida belongs to Leda' according to Dall 1881
- 'Leda solida is corrected as Leda solidifacta and belongs to Leda' according to Dall 1886
- 'Leda solida is recombined as Jupiteria solida'
- 'Nerita belongs to Neritinae'
- 'Nerita (Nerita) belongs to Nerita'
- 'Nerita granulosa belongs to Nerita' according to Deshayes 1824
- 'Nerita granulosa belongs to Nerita'
- 'Nerita hadra belongs to Nerita'
- 'Nerita listrota belongs to Nerita'
- 'Nerita peloronta is recombined as Nerita (Nerita) peloronta'
- 'Nerita planospira belongs to Nerita'
- 'Neritina belongs to Neritinae'
- 'Neritina ectypha belongs to Neritina'
- 'Neritinae belongs to Neritidae'
- 'Nucula belongs to Nuculidae'
- 'Nucula (Acila) isthmica is recombined as Acila (Acila) isthmica'
- 'Nucula (Nucula) belongs to Nucula'
- 'Nucula (Nuculopsis) hilli belongs to Nucula (Nuculopsis)' according to Woodring 1925
- 'Nucula (Nuculopsis) hilli is recombined as Ennucula (Lissanucula) hilli'
- 'Nucula (Nuculopsis) schencki belongs to Nucula (Nuculopsis)' according to Hertlein and Strong 1940
- 'Nucula (Nuculopsis) schencki is recombined as Nucula (Nucula) schencki'
- 'Nucula acuta is recombined as Saccella acuta'
- 'Nucula cahuitensis is recombined as Nucula (Nucula) cahuitensis'
- 'Nucula cahuitensis belongs to Nucula' according to Olsson 1922
- 'Nucula exigua is recombined as Nucula (Nucula) exigua'
- 'Nucula lanceolata is recombined as Adrana lanceolata'
- 'Nucula sphenopsis is recombined as Nucula (Nucula) sphenopsis'
- 'Nucula tenuisculpta is recombined as Nucula (Nucula) tenuisculpta'
- 'Nucula venezuelana belongs to Nucula' according to Weisbord 1964
- 'Nucula venezuelana is a subjective synonym of Nucula (Nucula) vieta'
- 'Nucula vieta belongs to Nucula' according to Guppy 1874
- 'Nucula vieta is recombined as Nucula (Nucula) vieta'
- 'Nuculana (Jupiteria) davidana is recombined as Saccella davidana'
- 'Nuculana (Saccella) fabalis is recombined as Saccella fabalis'
- 'Nuculana (Saccella) subcerata belongs to Nuculana (Saccella)' according to Woodring 1925
- 'Nuculana (Saccella) subcerata is recombined as Saccella subcerata'
- 'Nuculopsis was reranked as Nucula (Nuculopsis) and belongs to Nucula' according to Woodring 1925
- 'Nucula (Nuculopsis) is replaced by Ennucula (Lissanucula)'
- 'Ovulum belongs to Cypraeidae' according to Dautzenberg 1900
- 'Ovulum intermedium is recombined as Ovula (Cyphoma) intermedia' according to Dautzenberg 1900
- 'Ovulum intermedium is recombined as Cyphoma intermedia'
- 'Portlandia belongs to Nuculanidae'
- 'Portlandia (Portlandella) belongs to Portlandia'
- 'Portlandia (Portlandella) euthynta belongs to Portlandia (Portlandella)'
- 'Rasia was reranked as Anadara (Rasia) and belongs to Anadara'
- 'Saccella belongs to Nuculanidae'
- 'Saccella acrita epacra belongs to Saccella acrita'
- 'Saccella phlyctaena belongs to Saccella'
- 'Scapharca (Scapharca) actinophora is recombined as Anadara (Rasia) actinophora'
- 'Scapharca (Scapharca) actinophora belongs to Scapharca (Scapharca)' according to Dall 1898
- 'Scapharca (Scapharca) donacia is recombined as Anadara (Hawaiarca) donacia'
- 'Scapharca cibaoica is recombined as Anadara (Hawaiarca) cibaoica'
- 'Scapharca losquemadica is a subjective synonym of Anadara (Rasia) dariensis'
- 'Taeniarca was reranked as Calloarca (Taeniarca) and belongs to Calloarca'
- 'Teinostoma belongs to Vitrinellidae'
- 'Teinostoma (Idioraphe) elachistrum belongs to Teinostoma (Idioraphe)'
- 'Teinostoma prenanum belongs to Teinostoma' according to Wade 1926
- 'Teinostoma prenanum is recombined as Teinostoma (Idioraphe) prenanum'
- 'Teinostoma verilli is recombined as Teinostoma (Idioraphe) verilli'
- 'Yoldia perprotracta belongs to Yoldia' according to Dall 1912
- 'Adrana perprotracta is a subjective synonym of Adrana newcombi'