Opinions from K. V. Palmer and D. C. Brann 1965
- 'Abra (Abra) petropolitana belongs to Abra (Abra)'
- 'Anthocardia is a misspelling of Acanthocardia'
- 'Acanthocardia was reranked as Cardium (Anthocardia) and belongs to Cardium' according to Richards 1953
- 'Adeorbis (Asiolina) belongs to Adeorbis' according to de Gregorio 1890
- 'Adeorbis (Asiolina) pignus belongs to Adeorbis (Asiolina)' according to de Gregorio 1890
- 'Amphidesma linosa belongs to Amphidesma' according to Conrad 1833
- 'Amphidesma linosa is recombined as Syndosmya linosa' according to Conrad 1854
- 'Amphidesma linosa is recombined as Semele linosa' according to Brann and Kent 1960
- 'Angulithes belongs to Hercoglossidae'
- 'Arca (Arca) petropolitana belongs to Arca (Arca)' according to Stenzel and Krause 1957
- 'Arca (Arca) petropolitana belongs to Arca (Arca)'
- 'Arca (Barbatia) lignitifera belongs to Arca (Barbatia)' according to Aldrich 1908
- 'Arca (Barbatia) lignitifera is recombined as Arca lignitifera' according to Sheldon 1917
- 'Arca (Barbatia) lignitifera is recombined as Barbatia lignitifera'
- 'Arca cuculloides is recombined as Barbatia (Cucullaearca) cuculloides' according to Reinhart 1935
- 'Arca cuculloides is recombined as Arca (Barbatia) cuculloides' according to Harris 1951
- 'Arca hatchetigbeensis belongs to Arca' according to Harris 1897
- 'Arca rhomboidella belongs to Arca' according to Lea 1833
- 'Arca rhomboidella is recombined as Barbatia (Plagiarca) rhomboidella' according to Reinhart 1935
- 'Arca rhomboidella is recombined as Barbatia (Plagiarca) rhomboidella'
- 'Arca rhomboidella is recombined as Barbatia (Scapharca) rhomboidella' according to Harris and Palmer 1946
- 'Aturia belongs to Aturiidae'
- 'Aturia (Brazaturia) brazoensis is recombined as Aturia brazoensis'
- 'Aturia (Brazaturia) garretti belongs to Aturia (Brazaturia)' according to Stenzel 1940
- 'Aturia (Brazaturia) garretti is recombined as Aturia garretti'
- 'Aturia (Brazaturia) laticlavia is recombined as Aturia laticlavia'
- 'Barbatia corvamnis belongs to Barbatia' according to Harris 1946
- 'Barbatia deusseni belongs to Barbatia' according to Gardner 1927
- 'Barbatia inglisia belongs to Barbatia' according to Richards and Palmer 1953
- 'Calorhadia (Calorhadia) belongs to Calorhadia' according to Stewart 1930
- 'Cardita alticostata is recombined as Venericardia alticostata' according to Conrad 1865
- 'Cardita carolinensis belongs to Cardita' according to Gardner and Bowles 1939
- 'Cardita carolinensis is recombined as Venericardia carolinensis'
- 'Cardita densata is recombined as Venericardia densata' according to Conrad 1865
- 'Cardita densata is recombined as Venericardia (Venericor) densata'
- 'Cardita densata belongs to Cardita' according to Conrad 1845
- 'Cardium (Anthocardia) avonum belongs to Cardium (Anthocardia)' according to Richards 1953
- 'Cardium (Anthocardia) avonum is recombined as Trigoniocardia (Americardia) avona'
- 'Cardium (Dinocardium) levyi belongs to Cardium (Dinocardium)' according to Richards 1953
- 'Cardium (Dinocardium) levyi is recombined as Laevicardium (Dinocardium) levyi'
- 'Cardium (Trigoniocardium) protoaliculum belongs to Cardium (Trigoniocardium)' according to Richards 1953
- 'Cardium (Trigoniocardium) protoaliculum is recombined as Trigoniocardia (Americardia) protoaliculum'
- 'Cardium hatchetigbeensis belongs to Cardium' according to Aldrich 1886
- 'Cardium hatchetigbeensis is recombined as Acanthocardia (Schedocardia) hatchetigbeensis'
- 'Cardium tuomeyi is recombined as Cardium (Cerastoderma) tuomeyi' according to Barry 1942
- 'Cardium tuomeyi belongs to Cardium' according to Aldrich 1886
- 'Cardium tuomeyi is recombined as Acanthocardia (Schedocardia) tuomeyi'
- 'Cerastoderma was reranked as Cardium (Cerastoderma) and belongs to Cardium' according to Barry 1942
- 'Chlamys greggi belongs to Chlamys' according to Harris 1897
- 'Chlamys greggi is recombined as Chlamys (Chlamys) greggi' according to Tucker-Rowland 1936
- 'Corbula (Caryocorbula) engonatoides belongs to Corbula (Caryocorbula)' according to Gardner 1927
- 'Corbula (Caryocorbula) engonatoides is recombined as Caryocorbula engonatoides'
- 'Corbula aldrichi belongs to Corbula' according to Meyer 1885
- 'Corbula aldrichi is recombined as Vokesula aldrichi'
- 'Corbula densata is recombined as Caryocorbula densata'
- 'Corbula extenuata belongs to Corbula'
- 'Corbula murchisoni fossata belongs to Corbula murchisoni' according to Meyer and Aldrich 1886
- 'Corbula murchisonii belongs to Corbula' according to Lea 1833
- 'Corbula murchisonii is recombined as Caestocorbula murchisonii'
- 'Corbula murchisonii is corrected as Corbula murchisoni and belongs to Corbula' according to Meyer and Aldrich 1886
- 'Corbula smithvillensis is recombined as Vokesula smithvillensis'
- 'Corbula texana belongs to Corbula' according to Gabb 1860
- 'Corbula texana is recombined as Notocorbula texana'
- 'Corbula willistoni is recombined as Caryocorbula willistoni'
- 'Crassatella protexta sinus belongs to Crassatella protexta' according to Harris 1951
- 'Crassatella protexta sinus is recombined as Bathytormus protextus sinus'
- 'Cucullaea (Latiarca) was reranked as Latiarca and belongs to Bivalvia' according to Conrad 1865
- 'Cucullaea gabbi belongs to Cucullaea' according to Johnson 1905
- 'Cucullaea transversa is recombined as Arca (Cucullaearca) transversa' according to de Gregario 1890
- 'Cucullaea transversa belongs to Cucullaea'
- 'Cucullaea transversa belongs to Cucullaea' according to Rogers and Rogers 1839
- 'Cucullaea transversa belongs to Cucullaea' according to Gabb 1862
- 'Cucullaea transversa is replaced by Cucullaea gabbi' according to Johnson 1905
- 'Cucullaea transversa is recombined as Latiarca transversa' according to Conrad 1865
- 'Cucullaearca was reranked as Arca (Cucullaearca) and belongs to Arca' according to de Gregario 1890
- 'Cypraea (Cypraedia) subcancellata is recombined as Cypraedia subcancellata'
- 'Cypraea (Jenneria) transovuloides is recombined as Oxycypraea (Oxycypraea) transovuloides'
- 'Cypraea estellensis belongs to Cypraea' according to Aldrich 1921
- 'Cypraea estellensis is recombined as Eocypraea estellensis'
- 'Cypraea nuculoides belongs to Cypraea' according to Aldrich 1903
- 'Cypraea nuculoides belongs to Cypraea' according to Ingram 1942
- 'Cypraea nuculoides is recombined as Cypraeorbis nuculoides'
- 'Cypraea sabuloviridis is recombined as Eocypraea sabuloviridis'
- 'Cytherea discoidalis belongs to Cytherea' according to Conrad 1833
- 'Cytherea discoidalis is recombined as Omnivenus discoidalis' according to Palmer 1927
- 'Cytherea ovata is recombined as Pitaria (Pitaria) ovata' according to Brann and Kent 1960
- 'Cytherea ovata belongs to Cytherea' according to Rogers and Rogers 1837
- 'Cytherea ovata is recombined as Pitar (Pitar) ovatus'
- 'Cytherea ovata is recombined as Meretrix ovata' according to Richards 1948
- 'Cytherea ovata is recombined as Pitar ovata' according to Vokes 1961
- 'Cytherea ovata is recombined as Pitaria (Pitaria) ovata' according to Palmer 1927
- 'Cytherea perovata belongs to Cytherea' according to Conrad 1833
- 'Cytherea perovata is recombined as Callista (Callista) perovata' according to Palmer 1927
- 'Cytherea perovata is recombined as Dione perovata' according to Conrad 1865
- 'Cytherea perovata is recombined as Meretrix perovata' according to Conrad 1854
- 'Deltoidonautilus eliotti belongs to Deltoidonautilus' according to Stenzel 1940
- 'Deltoidonautilus eliotti is recombined as Angulithes eliotti'
- 'Deltoidonautilus eliotti is recombined as Angulithes eliotti' according to Kummel 1956
- 'Dinocardium was reranked as Cardium (Dinocardium) and belongs to Cardium' according to Richards 1953
- 'Dinocardium was reranked as Laevicardium (Dinocardium) and belongs to Laevicardium'
- 'Glyptoactis (Claibornicardia) is reassigned into Venericardia'
- 'Gryphaea thirsae belongs to Gryphaea' according to Gabb 1862
- 'Gryphaea thirsae is recombined as Odontogryphaea thirsae'
- 'Gryphaea thirsae is recombined as Ostrea thirsae' according to Heilprin 1884
- 'Gryphaea vomer belongs to Gryphaea' according to Morton 1828
- 'Gryphaea vomer is recombined as Ostrea vomer' according to de Gregario 1890
- 'Gryphaea vomer is recombined as Gryphaeostrea vomer'
- 'Gryphaeostrea was reranked as Ostrea (Gryphaeostrea) and belongs to Ostrea' according to Conrad 1865
- 'Hilgardia was reranked as Nuculana (Hilgardia) and belongs to Nuculana'
- 'Kymatox belongs to Mactridae'
- 'Leda (Adrana) aldrichiana is recombined as Adrana aldrichiana'
- 'Leda multilineata is recombined as Nuculana (Hilgardia) multilineata'
- 'Leda pharcida belongs to Leda' according to Dall 1898
- 'Leda pharcida is recombined as Calorhadia (Calorhadia) pharcida' according to Stenzel 1958
- 'Leda quercollis belongs to Leda' according to Harris 1896
- 'Leda quercollis is recombined as Saccella quercollis'
- 'Lutraria lapidosa belongs to Lutraria' according to Conrad 1846
- 'Lutraria lapidosa is recombined as Pteropsella lapidosa'
- 'Lutraria lapidosa is recombined as Pteropsis lapidosa' according to Conrad 1865
- 'Lutraria lapidosa is recombined as Kymatox lapidosa' according to Stenzel 1957
- 'Mactra praetenuis belongs to Mactra' according to Conrad 1833
- 'Mactra praetenuis is recombined as Spisula praetenuis' according to Dall 1898
- 'Mactropsis belongs to Mactridae'
- 'Mauricia belongs to Mytilidae'
- 'Modiola alabamensis is recombined as Brachidontes alabamensis'
- 'Modiola alabamiensis is recombined as Volsella alabamiensis' according to Shimer and Shrock 1944
- 'Modiola alabamiensis is recombined as Modiolus (Brachydontes) alabamiensis' according to Barry 1942
- 'Modiola alabamiensis is recombined as Brachidontes alabamiensis'
- 'Modiola alabamiensis belongs to Modiola' according to Aldrich 1895
- 'Nautilus alabamensis is recombined as Aturia alabamensis'
- 'Nautilus alabamensis is recombined as Aturia alabamensis' according to Kummel 1956
- 'Norrisia belongs to Trochidae'
- 'Nucula (Nucula) smithvillensis belongs to Nucula (Nucula)'
- 'Nucula aequalis belongs to Nucula' according to Conrad 1833
- 'Nucula aequalis is recombined as Leda aequalis' according to Conrad 1854
- 'Nucula aequalis is recombined as Nuculana aequalis' according to Conrad 1865
- 'Nucula aequalis is recombined as Calorhadia aequalis'
- 'Nucula claibornensis is recombined as Leda claibornensis' according to de Gregario 1890
- 'Nucula claibornensis is recombined as Yoldia claibornensis' according to Dall 1898
- 'Nucula claibornensis belongs to Nucula' according to Conrad 1848
- 'Nucula claibornensis is recombined as Nuculana claibornensis' according to Conrad 1865
- 'Nucula magnifica belongs to Nucula' according to Conrad 1833
- 'Nucula magnifica is recombined as Nucula (Nucula) magnifica'
- 'Nucula magnifica mauricensis belongs to Nucula magnifica' according to Harris 1919
- 'Nucula magnifica mauricensis is recombined as Nucula (Nucula) mauricensis'
- 'Nucula magnifica mauricensis is recombined as Nucula mauricensis' according to Deussen 1924
- 'Nucula media belongs to Nucula' according to Lea 1833
- 'Nucula media is recombined as Nuculana media' according to Conrad 1865
- 'Leda media is a subjective synonym of Calorhadia aequalis'
- 'Nucula mediavia belongs to Nucula' according to Harris 1896
- 'Nucula mediavia is recombined as Nucula (Nucula) mediavia'
- 'Nucula ovula is recombined as Nucula (Nucula) ovula'
- 'Nucula parva belongs to Nucula' according to Rogers and Rogers 1837
- 'Nucula parva is recombined as Leda parva' according to Conrad 1854
- 'Nucula parva is recombined as Nuculana parva' according to Conrad 1865
- 'Nucula parva is recombined as Saccella parva'
- 'Nucula semen belongs to Nucula' according to Lea 1883
- 'Nucula semen is recombined as Nuculana semen' according to Conrad 1865
- 'Nucula semen is recombined as Calorhadia semen'
- 'Nucula semen is recombined as Leda semen' according to de Gregario 1890
- 'Nucula sphenopsis is recombined as Nucula (Nucula) spheniopsis'
- 'Ostrea (Gryphaeostrea) subeversa belongs to Ostrea (Gryphaeostrea)' according to Conrad 1865
- 'Ostrea (Gryphaeostrea) subeversa is a subjective synonym of Gryphaeostrea vomer'
- 'Ostrea alabamiensis belongs to Ostrea' according to Lea 1833
- 'Ostrea alabamiensis is recombined as Crassostrea alabamiensis'
- 'Ostrea arrosis belongs to Ostrea' according to Aldrich 1904
- 'Ostrea arrosis is recombined as Ostrea (Ostrea) arrosis'
- 'Ostrea contracta belongs to Ostrea' according to Conrad 1865
- 'Ostrea contracta is recombined as Crassostrea contracta'
- 'Ostrea duvali belongs to Ostrea' according to Gardner 1927
- 'Ostrea duvali is recombined as Ostrea (Ostrea) duvali'
- 'Ostrea intermedoides belongs to Ostrea' according to Aldrich 1921
- 'Ostrea intermedoides is recombined as Ostrea (Ostrea) intermedoides'
- 'Ostrea podagrina is recombined as Ostrea (Ostrea) podagrina'
- 'Ostrea sellaeformis is recombined as Cubitostrea sellaeformis'
- 'Ostrea sellaeformis lisbonensis is recombined as Ostrea (Cubitostrea) lisbonensis' according to Stenzel 1945
- 'Ostrea sellaeformis lisbonensis is recombined as Cubitostrea lisbonensis'
- 'Ostrea trigonalis is recombined as Gigantostrea trigonalis'
- 'Ostrea vicksburgensis is recombined as Alectryonia vicksburgensis'
- 'Ostrea vicksburgensis ludoviciana is recombined as Alectryonia ludoviciana'
- 'Ovula (Simnia) texana is recombined as Simnia texana'
- 'Ovula symmetrica belongs to Ovula' according to Aldrich 1903
- 'Oxycypraea (Oxycypraea) belongs to Oxycypraea'
- 'Pecten (Aequipecten) suwaneensis belongs to Pecten (Aequipecten)' according to Dall 1898
- 'Pecten (Aequipecten) suwaneensis is recombined as Aequipecten suwaneensis'
- 'Pecten (Chlamys) indecisus is recombined as Chlamys indecisa'
- 'Pecten (Chlamys) indecisus is recombined as Chlamys (Chlamys) indecisus' according to Tucker 1936
- 'Pecten (Chlamys) indecisus belongs to Pecten (Chlamys)' according to Dall 1898
- 'Pecten (Eburneopecten) scintillatus is recombined as Pecten scintillatus' according to Heilprin 1882
- 'Pecten (Eburneopecten) scintillatus is recombined as Eburneopecten scintillatus'
- 'Pecten (Pleuronectia) alabamensis belongs to Pecten (Pleuronectia)' according to Aldrich 1886
- 'Pecten (Pleuronectia) alabamensis is recombined as Pecten (Amusium) alabamensis' according to de Gregario 1890
- 'Pecten (Pleuronectia) alabamensis is recombined as Pecten alabamensis' according to Aldrich 1921
- 'Pecten (Pleuronectia) alabamensis is recombined as Amusium (Propeamussium) alabamense'
- 'Pecten (Propeamussium) is reassigned into Amusium'
- 'Pecten anatipes is recombined as Chlamys anatipes' according to Ivey 1957
- 'Pecten anatipes is recombined as Flexopecten anatipes'
- 'Pecten biddleana is recombined as Chlamys biddleana'
- 'Pecten calvatus belongs to Pecten' according to Morton 1833
- 'Pecten calvatus is recombined as Eburneopecten calvatus'
- 'Pecten choctavensis belongs to Pecten' according to Aldrich 1895
- 'Pecten choctavensis is recombined as Chlamys choctavensis'
- 'Pecten cookei is recombined as Chlamys cookei'
- 'Pecten cushmani is recombined as Chlamys cushmani'
- 'Pecten deshayesii belongs to Pecten' according to Lea 1833
- 'Pecten deshayesii is recombined as Chlamys deshayesii'
- 'Pecten perplanus belongs to Pecten' according to Morton 1833
- 'Pecten perplanus is recombined as Aequipecten perplanus'
- 'Pectunculus corbuloides belongs to Pectunculus' according to Conrad 1833
- 'Pectunculus corbuloides is recombined as Limopsis corbuloides' according to Conrad 1860
- 'Pectunculus corbuloides belongs to Pectunculus'
- 'Pectunculus decisus belongs to Pectunculus' according to Conrad 1833
- 'Pectunculus decisus is recombined as Limopsis decisus' according to Conrad 1860
- 'Pectunculus decisus is recombined as Trinacria decisa' according to Cossmann 1893
- 'Pectunculus decisus is recombined as Trigonoarca decisa' according to Dall 1898
- 'Pectunculus decisus is recombined as Halonanus decisus' according to Stewart 1930
- 'Pectunculus decisus is recombined as Trigonodesma decisa' according to Reinhart 1935
- 'Plagiocardium (Schedocardia) is reassigned into Acanthocardia'
- 'Plagiocardium (Schedocardia) belongs to Plagiocardium' according to Stewart 1930
- 'Pleuromeris aldrichi is recombined as Venericardia (Pleuromeris) aldrichi'
- 'Pleuronectia was reranked as Pecten (Pleuronectia) and belongs to Pecten' according to Aldrich 1886
- 'Pteropsis belongs to Mactridae'
- 'Tellina (Moerella) petropolitana belongs to Tellina (Moerella)' according to Stenzel and Krause 1957
- 'Tellina (Moerella) petropolitana belongs to Tellina (Moerella)'
- 'Tellina mooreana is recombined as Tellina (Eurytellina) mooreana'
- 'Tellina papyria belongs to Tellina' according to Conrad 1833
- 'Tellina papyria is recombined as Tellina (Eurytellina) papyria'
- 'Tellina papyria is recombined as Tellina (Peronidia) papyria' according to Dall 1900
- 'Tellina raveneli belongs to Tellina' according to Conrad 1846
- 'Tellina raveneli is recombined as Tellina (Arcopagia) raveneli'
- 'Trigonarca [misspelled as Trigonoarca] belongs to Bivalvia' according to Dall 1898
- 'Trigoniocardia was reranked as Cardium (Trigoniocardium) and belongs to Cardium' according to Richards 1953
- 'Trigoniocardia (Americardia) belongs to Trigoniocardia'
- 'Venericardia (Pleuromeris) tortidens belongs to Venericardia (Pleuromeris)'
- 'Venericardia (Venericor) apodensata belongs to Venericardia (Venericor)' according to Gardner and Bowles 1939
- 'Venericardia (Venericor) apodensata belongs to Venericardia (Venericor)'
- 'Venericardia (Venericor) claiboplata belongs to Venericardia (Venericor)' according to Gardner and Bowles 1939
- 'Venericardia (Venericor) hatcheplata belongs to Venericardia (Venericor)'
- 'Venericardia (Venericor) mingoensis belongs to Venericardia (Venericor)' according to Gardner and Bowles 1939
- 'Venericardia (Venericor) stewarti belongs to Venericardia (Venericor)' according to Gardner and Bowles 1939
- 'Venericardia (Venericor) stewarti belongs to Venericardia (Venericor)'
- 'Venericardia nasuta is recombined as Venericardia (Claibornicardia) nasuta'
- 'Venericardia parva is recombined as Cardita parva' according to d'Orbigny 1850
- 'Venericardia parva is recombined as Venericardia (Pleuromeris) parva'
- 'Venericardia potapacoensis belongs to Venericardia' according to Clark and Martin 1901
- 'Venericardia potapacoensis is recombined as Venericardia (Venericor) potapacoensis'
- 'Venericardia rotunda is recombined as Cardita rotunda' according to Conrad 1834
- 'Venericardia rotunda is recombined as Venericardia (Venericardia) rotunda'
- 'Venericardia trapaquara is recombined as Venericardia (Claibornicardia) trapaquara'