Opinions from L. W. Ward 1992
- 'Anadarinae belongs to Arcidae'
- 'Anguinella belongs to Vermetidae'
- 'Anomalocardia belongs to Chioninae'
- 'Anomia belongs to Anomiidae'
- 'Anomia mcgeei is a subjective synonym of Anomia ruffini'
- 'Anomia ruffini belongs to Anomia' according to Conrad 1843
- 'Anomia ruffini belongs to Anomia'
- 'Anomiidae belongs to Anomioidea'
- 'Anomioidea belongs to Pteriina'
- 'Arca (Scapharca) elnia is recombined as Dallarca elnia'
- 'Arca (Scapharca) lesueuri is recombined as Cunearca lesueuri'
- 'Arca (Scapharca) silverdalensis is recombined as Anadara (Anadara) silverdalensis' according to Bird 1965
- 'Arca (Scapharca) silverdalensis is recombined as Cunearca silverdalensis'
- 'Arca arata is recombined as Rasia arata'
- 'Arca carolinensis is recombined as Barbatia carolinensis'
- 'Arca centenaria is recombined as Striarca centenaria'
- 'Arca idonea is recombined as Dallarca idonea'
- 'Arca scalarina is recombined as Cunearca scalarina'
- 'Arca scalaris is recombined as Cunearca scalaris'
- 'Arca staminea is recombined as Dallarca staminea'
- 'Arca subrostrata is recombined as Dallarca subrostrata'
- 'Arca virginiae belongs to Arca' according to Wagner 1850
- 'Arca virginiae is recombined as Dallarca virginiae'
- 'Arcacea is corrected as Arcoidea and belongs to Arcoida'
- 'Arcidae belongs to Arcoidea'
- 'Arcoida belongs to Pteriomorphia'
- 'Arcticacea is corrected as Arcticoidea and belongs to Veneroida'
- 'Artemis acetabulum is recombined as Dosinia acetabulum'
- 'Astarte belongs to Astartinae'
- 'Astarte (Ashtarotha) rappahannockensis belongs to Astarte (Ashtarotha)' according to Gardner 1943
- 'Astarte (Ashtarotha) rappahannockensis is recombined as Astarte rappahannockensis'
- 'Astarte claytonrayi belongs to Astarte'
- 'Astarte cobhamensis belongs to Astarte'
- 'Astarte cuneiformis belongs to Astarte'
- 'Astarte obruta belongs to Astarte'
- 'Astarte onslowensis belongs to Astarte'
- 'Astarte perplana belongs to Astarte'
- 'Astarte thisphila belongs to Astarte'
- 'Astartidae belongs to Crassatelloidea'
- 'Astartinae belongs to Astartidae'
- 'Bicorbula belongs to Corbulinae'
- 'Buccinacea is corrected as Buccinoidea and belongs to Stenoglossa'
- 'Buccinofusus belongs to Fusininae'
- 'Buccinofusus chesapeakensis belongs to Buccinofusus'
- 'Bulla (Bulliopsis) marylandica is recombined as Bulliopsis marylandica'
- 'Bulliopsis belongs to Nassariidae'
- 'Busycon belongs to Busyconinae'
- 'Busycon spiniger belongs to Busycon' according to Conrad 1865
- 'Busycon spiniger belongs to Busycon'
- 'Busycon spiniger onslowensis belongs to Busycon spiniger'
- 'Busyconinae belongs to Melongenidae'
- 'Busycotypus belongs to Busyconinae'
- 'Caenogastropoda belongs to Prosobranchia'
- 'Cardiacea is corrected as Cardioidea and belongs to Veneroida'
- 'Cardiidae belongs to Cardioidea'
- 'Carditacea is corrected as Carditoidea and belongs to Veneroida'
- 'Carditamerinae belongs to Carditidae'
- 'Carditidae belongs to Carditoidea'
- 'Cardium (Cerastoderma) laqueatum blountense belongs to Cardium (Cerastoderma) laqueatum' according to Mansfield 1932
- 'Cardium (Cerastoderma) laqueatum blountense is recombined as Chesacardium laqueatum blountense'
- 'Cardium (Cerastoderma) taphrium belongs to Cardium (Cerastoderma)' according to Dall 1900
- 'Cardium (Cerastoderma) taphrium is recombined as Dinocardium taphrium'
- 'Cardium acutilaqueatum belongs to Cardium' according to Conrad 1839
- 'Cardium acutilaqueatum is recombined as Chesacardium acutilaqueatum'
- 'Cardium craticuloides is recombined as Chesacardium craticuloides'
- 'Cardium laqueatum is recombined as Cardium (Cerastoderma) laqueatum' according to Mansfield 1932
- 'Cardium laqueatum belongs to Cardium' according to Conrad 1830
- 'Cardium laqueatum is recombined as Chesacardium laqueatum'
- 'Cardium leptopleura is recombined as Chesacardium leptopleura'
- 'Carolinapecten belongs to Pectinidae'
- 'Cerithiacea is corrected as Cerithioidea and belongs to Caenogastropoda'
- 'Chama belongs to Chamidae'
- 'Chama chipolana belongs to Chama' according to Dall 1903
- 'Chama chipolana belongs to Chama'
- 'Chamacea is corrected as Chamoidea and belongs to Veneroida'
- 'Chamelea was reranked as Chione (Chamelea) and belongs to Chione' according to Dall 1903
- 'Chamidae belongs to Chamoidea'
- 'Chesacardium belongs to Cardiidae'
- 'Chesacardium laqueatum blackwelderi belongs to Chesacardium laqueatum'
- 'Chesacardium laqueatum eshelmani belongs to Chesacardium laqueatum'
- 'Chesacardium laqueatum laqueatum belongs to Chesacardium laqueatum'
- 'Chesacardium laqueatum vostreysi belongs to Chesacardium laqueatum'
- 'Chesapecten belongs to Pectinidae'
- 'Chesapecten (Chesapecten) belongs to Chesapecten'
- 'Chesapecten (Chesapecten) covepointensis belongs to Chesapecten (Chesapecten)'
- 'Chesapecten (Chesapecten) middlesexensis belongs to Chesapecten (Chesapecten)'
- 'Chesapecten (Chesapecten) middlesexensis ceccae belongs to Chesapecten (Chesapecten) middlesexensis'
- 'Chesapecten (Chesapecten) monicae belongs to Chesapecten (Chesapecten)'
- 'Chesapecten nefrens is recombined as Chesapecten (Chesapecten) nefrens'
- 'Chione belongs to Chioninae'
- 'Chione (Chamelea) spada belongs to Chione (Chamelea)' according to Dall 1903
- 'Chione (Chamelea) spada is recombined as Chione spada'
- 'Chione dalli is recombined as Lirophora dalli'
- 'Chione parkeria is recombined as Lirophora parkeria'
- 'Chioninae belongs to Veneridae'
- 'Chlamys (Lyropecten) santamaria belongs to Chlamys (Lyropecten)' according to Tucker 1934
- 'Chlamys (Lyropecten) santamaria is recombined as Chesapecten (Chesapecten) santamaria'
- 'Chlamys (Placopecten) was reranked as Placopecten and belongs to Pectinidae'
- 'Christinapecten was reranked as Chesapecten (Christinapecten) and belongs to Chesapecten'
- 'Clementia belongs to Clementiinae'
- 'Clementiinae belongs to Veneridae'
- 'Conacea is corrected as Conoidea and belongs to Stenoglossa'
- 'Conidae belongs to Conoidea'
- 'Conradostrea belongs to Ostreinae'
- 'Conradostrea greeni belongs to Conradostrea'
- 'Conradostrea lawrencei belongs to Conradostrea'
- 'Conus belongs to Conidae'
- 'Conus deluvianus belongs to Conus'
- 'Conus spenceri belongs to Conus'
- 'Corbula elevata is recombined as Varicorbula elevata'
- 'Corbula idonea is recombined as Bicorbula idonea'
- 'Corbulidae belongs to Myoidea'
- 'Corbulinae belongs to Corbulidae'
- 'Costaglycymeris belongs to Glycymeridinae'
- 'Costaglycymeris mixoni belongs to Costaglycymeris'
- 'Crassatella marylandica is recombined as Marvacrassatella marylandica'
- 'Crassatella melina is recombined as Marvacrassatella melina'
- 'Crassatella turgidula is recombined as Crassatellites turgidulus' according to Glenn 1904
- 'Crassatella turgidula is recombined as Marvacrassatella turgidula'
- 'Crassatellacea is corrected as Crassatelloidea and belongs to Veneroida'
- 'Crassatellidae belongs to Crassatelloidea'
- 'Crassatellinae belongs to Crassatellidae'
- 'Crassatellites (Crassatellites) belongs to Crassatellites' according to Mansfield 1929
- 'Crassatellites (Crassatellites) meridionalis belongs to Crassatellites (Crassatellites)' according to Mansfield 1929
- 'Crassatellites (Crassatellites) meridionalis surryensis belongs to Crassatellites (Crassatellites) meridionalis' according to Mansfield 1929
- 'Crassatellites (Crassatellites) meridionalis surryensis is recombined as Marvacrassatella surryensis'
- 'Crassatellites (Crassatellites) meridionalis urbannensis belongs to Crassatellites (Crassatellites) meridionalis' according to Mansfield 1929
- 'Crassatellites (Crassatellites) meridionalis urbannensis is recombined as Marvacrassatella urbannensis'
- 'Crassostrea belongs to Ostreinae'
- 'Cunearca belongs to Anadarinae'
- 'Cyclocardia belongs to Carditamerinae'
- 'Cyclocardia trentensis belongs to Cyclocardia'
- 'Cytherea marylandica is recombined as Macrocallista marylandica'
- 'Cytherea staminea is recombined as Melosia staminea'
- 'Dallarca belongs to Anadarinae'
- 'Dallarca carolinensis carolinensis belongs to Dallarca carolinensis'
- 'Dallarca carolinensis rotunda belongs to Dallarca carolinensis'
- 'Dimarzipecten belongs to Pectinidae'
- 'Dinocardium belongs to Cardiidae'
- 'Donacidae belongs to Mactroidea'
- 'Donax belongs to Donacidae'
- 'Donax idoneus belongs to Donax' according to Conrad 1872
- 'Donax idoneus belongs to Donax'
- 'Dosinia belongs to Dosiniinae'
- 'Dosinia acetabulum blackwelderi belongs to Dosinia acetabulum'
- 'Dosinia acetabulum thori belongs to Dosinia acetabulum'
- 'Dosiniinae belongs to Veneridae'
- 'Ecphora belongs to Rapaninae'
- 'Ecphora (Ecphora) gardnerae is recombined as Ecphora gardnerae' according to Petuch 1988
- 'Ecphora (Ecphora) gardnerae belongs to Ecphora (Ecphora)'
- 'Ecphora gardnerae gardnerae belongs to Ecphora gardnerae' according to Petuch 1988
- 'Ecphora gardnerae gardnerae belongs to Ecphora gardnerae'
- 'Ecphora gardnerae germonae belongs to Ecphora gardnerae'
- 'Ecphora gardnerae germonae belongs to Ecphora gardnerae' according to Ward and Gilinsky 1988
- 'Ecphora kochi belongs to Ecphora' according to Ward and Gilinsky 1988
- 'Ecphora kochi belongs to Ecphora'
- 'Ecphora meganae belongs to Ecphora' according to Ward and Gilinsky 1988
- 'Ecphora meganae meganae belongs to Ecphora meganae' according to Ward and Gilinsky 1988
- 'Ecphora meganae williamsi belongs to Ecphora meganae' according to Ward and Gilinsky 1988
- 'Ecphora pamlico belongs to Ecphora' according to Wilson 1987
- 'Ecphora pamlico is recombined as Ecphora tricostata pamlico'
- 'Ecphora tricostata tricostata belongs to Ecphora tricostata'
- 'Euloxa belongs to Euloxidae'
- 'Euloxidae belongs to Arcticoidea'
- 'Fasciolariidae belongs to Buccinoidea'
- 'Florimetis belongs to Macominae'
- 'Fulgur coronatus is recombined as Busycotypus coronatum'
- 'Fulgur fusiformis is recombined as Busycon fusiformis'
- 'Fulgur rugosus belongs to Fulgur' according to Conrad 1843
- 'Fulgur rugosus is recombined as Busycotypus rugosum'
- 'Fusininae belongs to Fasciolariidae'
- 'Fusinus belongs to Fusininae'
- 'Fusinus hoffmani belongs to Fusinus'
- 'Fusus parilis is recombined as Buccinofusus parilis'
- 'Fusus subrusticus belongs to Fusus' according to d'Orbigny 1852
- 'Fusus subrusticus is recombined as Urosalpinx subrusticus'
- 'Glossacea is corrected as Glossoidea and belongs to Veneroida'
- 'Glossidae belongs to Glossoidea'
- 'Glossus belongs to Glossidae'
- 'Glossus fraternus marylandicus belongs to Glossus fraternus' according to Mongin 1959
- 'Glossus fraternus marylandicus is recombined as Glossus marylandica'
- 'Glossus santamaria belongs to Glossus'
- 'Glycymerididae belongs to Limopsoidea'
- 'Glycymeridinae belongs to Glycymerididae'
- 'Glycymeris belongs to Glycymeridinae'
- 'Glycymeris drymanos belongs to Glycymeris' according to Gardner 1926
- 'Glycymeris drymanos is recombined as Costaglycymeris drymanos'
- 'Glycymeris waltonensis is recombined as Costaglycymeris waltonensis'
- 'Gryphaeidae belongs to Ostreoidea'
- 'Heteroconchia belongs to Bivalvia'
- 'Hiatellacea is corrected as Hiatelloidea and belongs to Myina'
- 'Hiatellidae belongs to Hiatelloidea'
- 'Hippochaeta was reranked as Isognomon (Hippochaeta) and belongs to Isognomon'
- 'Hyotissa belongs to Pycnodontinae'
- 'Isocardia fraterna is recombined as Glossus fraterna'
- 'Isocardia fraterna is recombined as Glossus fraternus' according to Mongin 1959
- 'Isocardia markoei is recombined as Glossus markoei'
- 'Isocardia mazlea is recombined as Glossus mazlea'
- 'Isognomon belongs to Isognomonidae'
- 'Isognomonidae belongs to Pterioidea'
- 'Kuphinae belongs to Teredinidae'
- 'Kuphus belongs to Kuphinae'
- 'Leptomactra belongs to Mactridae'
- 'Limopsoidea belongs to Arcoida'
- 'Lirophora belongs to Chioninae'
- 'Lirophora vredenburgi belongs to Lirophora'
- 'Lucina anodonta is recombined as Stewartia anodonta'
- 'Lucina contracta is recombined as Lucinoma contracta'
- 'Lucina filosa is recombined as Lucinoma filosa'
- 'Lucina floridana is recombined as Stewartia floridana'
- 'Lucina foremani is recombined as Stewartia foremani'
- 'Lucinidae belongs to Lucinoidea'
- 'Lucininae belongs to Lucinidae'
- 'Lucinoidea belongs to Veneroida'
- 'Lucinoma belongs to Myrteinae'
- 'Macominae belongs to Tellinidae'
- 'Macrocallista belongs to Pitarinae'
- 'Macrocallista acuminata belongs to Macrocallista'
- 'Mactra delumbis is recombined as Leptomactra delumbis'
- 'Mactra ponderosa belongs to Mactra' according to Conrad 1830
- 'Mactra ponderosa is recombined as Mactrodesma ponderosa'
- 'Mactra subcuneata belongs to Mactra' according to Conrad 1838
- 'Mactra subcuneata is recombined as Spisula subcuneata'
- 'Mactra subponderosa is recombined as Mactrodesma subponderosa'
- 'Mactracea is corrected as Mactroidea and belongs to Veneroida'
- 'Mactridae belongs to Mactroidea'
- 'Mactrinae belongs to Mactridae'
- 'Mactrodesma belongs to Mactrinae'
- 'Marvacrassatella belongs to Crassatellinae'
- 'Melongenidae belongs to Buccinoidea'
- 'Melosia belongs to Venerinae'
- 'Mercenaria belongs to Chioninae'
- 'Mercenaria blakei belongs to Mercenaria'
- 'Mercenaria cuneata belongs to Mercenaria' according to Conrad 1869
- 'Mercenaria cuneata belongs to Mercenaria'
- 'Mercenaria druidi belongs to Mercenaria'
- 'Metis magnoliana belongs to Metis' according to Dall 1900
- 'Metis magnoliana is recombined as Florimetis magnoliana'
- 'Muricidae belongs to Muricoidea'
- 'Muricoidea belongs to Stenoglossa'
- 'Mya belongs to Myidae'
- 'Mya wilsoni belongs to Mya'
- 'Myacea is corrected as Myoidea and belongs to Myina'
- 'Myidae belongs to Myoidea'
- 'Myina belongs to Myoida'
- 'Myoida belongs to Heteroconchia'
- 'Myrteinae belongs to Lucinidae'
- 'Nassa quadrata is recombined as Bulliopsis quadrata'
- 'Nassariidae belongs to Buccinoidea'
- 'Nassarius belongs to Nassariidae'
- 'Naticacea is corrected as Naticoidea and belongs to Caenogastropoda'
- 'Naticidae belongs to Naticoidea'
- 'Neogastropoda belongs to Prosobranchia'
- 'Noetiidae belongs to Arcoidea'
- 'Oliva belongs to Olivinae'
- 'Oliva idonea belongs to Oliva' according to Conrad 1839
- 'Oliva idonea belongs to Oliva'
- 'Olividae belongs to Volutoidea'
- 'Olivinae belongs to Olividae'
- 'Ostrea belongs to Ostreinae'
- 'Ostrea compressirostra belongs to Ostrea' according to Say 1824
- 'Ostrea compressirostra belongs to Ostrea'
- 'Ostrea compressirostra brucei belongs to Ostrea compressirostra'
- 'Ostrea compressirostra geraldjohnsoni belongs to Ostrea compressirostra'
- 'Ostrea gigantissima is recombined as Crassostrea gigantissima'
- 'Ostrea haitensis belongs to Ostrea' according to Sowerby 1850
- 'Ostrea haitensis is recombined as Hyotissa haitensis'
- 'Ostrea percrassa is recombined as Pycnodonte percrassa'
- 'Ostrea sculpturata is recombined as Conradostrea sculpturata'
- 'Ostreacea is corrected as Ostreoidea and belongs to Ostreina'
- 'Ostreidae belongs to Ostreoidea'
- 'Ostreina belongs to Pterioida'
- 'Ostreinae belongs to Ostreidae'
- 'Panopaea americana is recombined as Panopea americana'
- 'Panope is corrected as Panopea and belongs to Hiatellidae'
- 'Panopea goldfussii belongs to Panopea'
- 'Panopea whitfieldi belongs to Panopea'
- 'Pecten belongs to Pectinidae'
- 'Pecten (Chlamys) coccymelus is recombined as Chesapecten (Chesapecten) coccymelus'
- 'Pecten (Chlamys) santamaria belongs to Pecten (Chlamys)' according to Mansfield 1936
- 'Pecten (Chlamys) santamaria middlesexensis belongs to Pecten (Chlamys) santamaria' according to Mansfield 1936
- 'Pecten (Chlamys) santamaria middlesexensis is recombined as Chesapecten (Chesapecten) middlesexensis middlesexensis'
- 'Pecten (Chlamys) skiptonensis belongs to Pecten (Chlamys)' according to Mansfield 1936
- 'Pecten (Chlamys) skiptonensis is recombined as Chesapecten skiptonensis'
- 'Pecten (Eburneopecten) was reranked as Eburneopecten and belongs to Pectinidae'
- 'Pecten (Euvola) was reranked as Euvola and belongs to Pectinidae'
- 'Pecten (Pecten) smithi is recombined as Euvola smithi'
- 'Pecten cerinus is recombined as Eburneopecten cerinus'
- 'Pecten crocus belongs to Pecten' according to Cooke 1919
- 'Pecten crocus is recombined as Dimarzipecten crocus'
- 'Pecten eboreus urbannaensis belongs to Pecten eboreus' according to Mansfield 1928
- 'Pecten eboreus urbannaensis is recombined as Carolinapecten urbannaensis'
- 'Pecten humphreysii belongs to Pecten'
- 'Pecten marylandicus is recombined as Chesapecten (Christinapecten) marylandica'
- 'Pecten princepoides is recombined as Placopecten princepoides'
- 'Pecten princepoides belongs to Pecten' according to Emmons 1858
- 'Pecten trentensis is recombined as Rebeccapecten trentensis'
- 'Pectinidae belongs to Pectinoidea'
- 'Pectinoidea belongs to Pteriina'
- 'Pectunculus americanus is recombined as Glycymeris americana'
- 'Pectunculus parilis is recombined as Glycymeris parilis'
- 'Pectunculus subovata is recombined as Costaglycymeris subovata'
- 'Pectunculus virginiae belongs to Pectunculus' according to Wagner 1848
- 'Pectunculus virginiae is recombined as Costaglycymeris virginiae'
- 'Petricola (Petricolaria) calvertensis belongs to Petricola (Petricolaria)' according to Dall 1900
- 'Petricola (Petricolaria) calvertensis is recombined as Pleiorytis calvertensis'
- 'Petricolaria was reranked as Petricola (Petricolaria) and belongs to Petricola' according to Dall 1900
- 'Petricolidae belongs to Veneroidea'
- 'Pholadina belongs to Myoida'
- 'Pholadoidea belongs to Pholadina'
- 'Pitarinae belongs to Veneridae'
- 'Pleiorytis belongs to Petricolidae'
- 'Prosobranchia belongs to Gastropoda'
- 'Pteriina belongs to Pterioida'
- 'Pterioida belongs to Pteriomorphia'
- 'Pterioidea belongs to Pteriina'
- 'Pteriomorphia belongs to Bivalvia'
- 'Ptychosalpinx (Tritiaria) peralta is recombined as Nassarius (Tritiaria) peralta'
- 'Pycnodonta is corrected as Pycnodonte and belongs to Pycnodontinae'
- 'Pycnodonteinae [misspelled as Pycnodontinae] belongs to Gryphaeidae'
- 'Rapana biconica belongs to Rapana' according to Dall 1915
- 'Rapana biconica is recombined as Tritonopsis biconica'
- 'Rapana gilletti is recombined as Tritonopsis gilletti'
- 'Rapana tampaensis is recombined as Ecphora tampaensis'
- 'Rapaninae belongs to Muricidae'
- 'Rasia belongs to Anadarinae'
- 'Rasia andrewsi belongs to Rasia'
- 'Rebeccapecten belongs to Pectinidae'
- 'Rebeccapecten berryae belongs to Rebeccapecten'
- 'Scapharca (Anadara) clisea is recombined as Dallarca carolinensis clisea'
- 'Scaphella belongs to Scaphellinae'
- 'Scaphella (Aurinia) virginiana belongs to Scaphella (Aurinia)' according to Conrad 1842
- 'Scaphella (Aurinia) virginiana is recombined as Scaphella virginiana'
- 'Scaphellinae belongs to Volutidae'
- 'Serpula virginica is recombined as Anguinella virginica'
- 'Sininae belongs to Naticidae'
- 'Sinum belongs to Sininae'
- 'Sinum imperforatum belongs to Sinum'
- 'Spisula belongs to Mactrinae'
- 'Spisula (Hemimactra) chesapeakensis is a subjective synonym of Leptomactra curtidens'
- 'Spisula (Hemimactra) curtidens is recombined as Leptomactra curtidens'
- 'Spisula (Hemimactra) marylandica is recombined as Leptomactra marylandica'
- 'Spisula (Hemimactra) rappahannockensis belongs to Spisula (Hemimactra)' according to Gardner 1944
- 'Spisula (Hemimactra) rappahannockensis is recombined as Spisula rappahannockensis'
- 'Spisula valhosierr belongs to Spisula' according to Gardner 1947
- 'Spisula valhosierr is recombined as Leptomactra valhosierr'
- 'Stenoglossa belongs to Neogastropoda'
- 'Stewartia belongs to Lucininae'
- 'Striarca belongs to Striarcinae'
- 'Striarcinae belongs to Noetiidae'
- 'Tellina biplicata is recombined as Florimetis biplicata'
- 'Tellinacea is corrected as Tellinoidea and belongs to Veneroida'
- 'Tellinidae belongs to Tellinoidea'
- 'Terebra belongs to Terebridae'
- 'Terebra simplex belongs to Terebra'
- 'Terebridae belongs to Conoidea'
- 'Teredinidae belongs to Pholadoidea'
- 'Teredo fistula belongs to Teredo' according to Lea 1843
- 'Teredo fistula is recombined as Kuphus fistula'
- 'Thaidinae belongs to Muricidae'
- 'Timothynus belongs to Ungulinidae'
- 'Tritiaria was reranked as Nassarius (Tritiaria) and belongs to Nassarius'
- 'Tritonopsis belongs to Rapaninae'
- 'Turritella belongs to Turritellidae'
- 'Turritella exaltata belongs to Turritella'
- 'Turritella indenta belongs to Turritella'
- 'Turritella plebeia belongs to Turritella'
- 'Turritella plebeia carinata belongs to Turritella plebeia'
- 'Turritella plebeia plebeia belongs to Turritella plebeia'
- 'Turritella subvariabilis belongs to Turritella' according to d'Orbigny 1852
- 'Turritella subvariabilis belongs to Turritella'
- 'Turritella subvariabilis bohaskai belongs to Turritella subvariabilis'
- 'Turritella subvariabilis dianae belongs to Turritella subvariabilis'
- 'Turritella subvariabilis subvariabilis belongs to Turritella subvariabilis'
- 'Turritella tampae belongs to Turritella'
- 'Turritella terebriformis belongs to Turritella' according to Conrad 1863
- 'Turritella terebriformis belongs to Turritella'
- 'Turritellidae belongs to Cerithioidea'
- 'Typhinae belongs to Muricidae'
- 'Typhis belongs to Typhinae'
- 'Typhis siphonifera belongs to Typhis' according to Dall 1915
- 'Typhis siphonifera belongs to Typhis'
- 'Ungulinidae belongs to Lucinoidea'
- 'Urosalpinx belongs to Thaidinae'
- 'Varicorbula belongs to Corbulinae'
- 'Veneracea is corrected as Veneroidea and belongs to Veneroida'
- 'Venericardia (Glyptoactis) was reranked as Glyptoactis and belongs to Venericardiinae'
- 'Venericardia castrana is recombined as Cyclocardia castrana'
- 'Venericardia granulata is recombined as Cyclocardia granulata'
- 'Venericardia nodifera is recombined as Glyptoactis nodifera'
- 'Venericardiinae belongs to Carditidae'
- 'Veneridae belongs to Veneroidea'
- 'Venerinae belongs to Veneridae'
- 'Veneroida belongs to Heteroconchia'
- 'Veneruptis subvexa belongs to Veneruptis' according to Conrad 1833
- 'Veneruptis subvexa is recombined as Timothynus subvexa'
- 'Venus (Mercenaria) berryi is replaced by Mercenaria druidi'
- 'Venus alveata is recombined as Lirophora alveata'
- 'Venus capax belongs to Venus' according to Conrad 1843
- 'Venus capax is recombined as Mercenaria capax'
- 'Venus floridana belongs to Venus' according to Conrad 1846
- 'Venus floridana is recombined as Anomalocardia floridana'
- 'Venus inoceriformis is recombined as Clementia inoceriformis'
- 'Venus lastisulcata belongs to Venus' according to Conrad 1839
- 'Venus lastisulcata is recombined as Euloxa lastisulcata'
- 'Venus latilirata is recombined as Lirophora latilirata'
- 'Venus tetrica belongs to Venus' according to Conrad 1838
- 'Venus tetrica is recombined as Mercenaria tetrica'
- 'Vermetidae belongs to Cerithioidea'
- 'Volutacea is corrected as Volutoidea and belongs to Stenoglossa'
- 'Volutidae belongs to Volutoidea'