Abra alba (W. Wood, 1802) (additional source)
Abra fragilis Risso, 1826 accepted as Abra prismatica (Montagu, 1808) (source of synonymy)
Abra longicallis (R. A. Philippi, 1844) accepted as Abra longicallus (Scacchi, 1835) (basis of record)
Abra longicallis var. americana A. E. Verrill & K. J. Bush, 1898 accepted as Abra americana A. E. Verrill & K. J. Bush, 1898 (basis of record)
Abra longicallus (Scacchi, 1835) (additional source)
Abra milashevichi Nevesskaja, 1963 accepted as Abra prismatica (Montagu, 1808) (basis of record)
Abra nitida (O. F. Müller, 1776) (additional source)
Abra prismatica (Montagu, 1808) (additional source)
Abra profundorum (E. A. Smith, 1885) (additional source)
Abra segmentina H. Adams & A. Adams, 1856 accepted as Abra segmentum (Récluz, 1843) (basis of record)
Abra segmentum (Récluz, 1843) (additional source)
Abra tenuis (Montagu, 1803) (additional source)
Acar clathrata (Defrance, 1816) (additional source)
Acar plicata (Dillwyn, 1817) (additional source)
Acesta excavata (J. C. Fabricius, 1779) (additional source)
Acharax Dall, 1908 (basis of record)
Actinobolus Mörch, 1853 accepted as Cardites Link, 1807 (basis of record)
Adasius Leach, 1852 accepted as Solecurtus Blainville, 1824 (basis of record)
Adasius loscombeus Leach, 1852 accepted as Solecurtus scopula (W. Turton, 1822) (basis of record)
Adipicola (Myrinopsis) F. Nordsieck, 1969 accepted as Idas Jeffreys, 1876 (source of synonymy)
Aequipecten atlanticus (E. A. Smith, 1890) accepted as Perapecten atlanticus (E. A. Smith, 1890) (additional source)
Allogramma formosa (Jeffreys, 1882) (additional source)
Amphidesma corbuloides Lamarck, 1818 accepted as Lyonsia norwegica (Gmelin, 1791) (basis of record)
Amphidesma donacilla Lamarck, 1818 accepted as Donacilla cornea (Poli, 1791) (basis of record)
Amphidesma intermedia W. Thompson, 1845 accepted as Abra nitida (O. F. Müller, 1776) (basis of record)
Amphidesma phaseolina Lamarck, 1818 accepted as Thracia phaseolina (Lamarck, 1818) (basis of record)
Amphidesma siculum G. B. Sowerby I, 1833 accepted as Scrobicularia cottardii (Payraudeau, 1826) (additional source)
Amygdalum politum (A. E. Verrill & S. Smith, 1880) (additional source)
Anadara (Scapharca) J. E. Gray, 1847 represented as Anadara J. E. Gray, 1847 (basis of record)
Anadara corbuloides (Monterosato, 1881) (additional source)
Anadara gibbosa (Reeve, 1844) (basis of record)
Anadara inaequivalvis (Bruguière, 1789) (additional source)
Anadara kagoshimensis (Tokunaga, 1906) (basis of record)
Anadara natalensis (Krauss, 1848) (additional source)
Anadara transversa (Say, 1822) (additional source)
Anatina Lamarck, 1818 accepted as Laternula Röding, 1798 (basis of record)
Anatina bonfornellensis De Gregorio, 1885 accepted as Thracia distorta (Montagu, 1803) accepted as Ixartia distorta (Montagu, 1803) (basis of record)
Anatina brevirostris T. Brown, 1829 accepted as Cuspidaria cuspidata (Olivi, 1792) (basis of record)
Anatina longirostris Lamarck, 1818 accepted as Cuspidaria rostrata (Spengler, 1793) (source of synonymy)
Anatina myalis Lamarck, 1818 accepted as Thracia pubescens (Pulteney, 1799) (basis of record)
Anatina oblonga R. A. Philippi, 1836 accepted as Cochlodesma praetenue (Pulteney, 1799) (basis of record)
Anatina ovalis T. Brown, 1827 accepted as Thracia villosiuscula (MacGillivray, 1827) (basis of record)
Anatina radiata Calcara, 1840 accepted as Cardiomya costellata (Deshayes, 1835) (basis of record)
Anatina rupicola Lamarck, 1818 accepted as Thracia distorta (Montagu, 1803) accepted as Ixartia distorta (Montagu, 1803) (basis of record)
Anatina truncata W. Turton, 1822 accepted as Thracia distorta (Montagu, 1803) accepted as Ixartia distorta (Montagu, 1803) (basis of record)
Anatina truncata Lamarck, 1818 accepted as Cochlodesma praetenue (Pulteney, 1799) (source of synonymy)
Anatina villosiuscula MacGillivray, 1827 accepted as Thracia villosiuscula (MacGillivray, 1827) (basis of record)
Anchomasa Leach, 1852 accepted as Barnea (Anchomasa) Leach, 1852 represented as Barnea Risso, 1826 (basis of record)
Anchomasa pennantiana Leach, 1852 accepted as Barnea parva (Pennant, 1777) (basis of record)
Anomia adhaerens Clément, 1874 accepted as Anomia ephippium Linnaeus, 1758 (basis of record)
Anomia aspera R. A. Philippi, 1844 accepted as Anomia ephippium Linnaeus, 1758 (basis of record)
Anomia boletiformis Locard, 1891 accepted as Anomia ephippium Linnaeus, 1758 (basis of record)
Anomia cepa Linnaeus, 1758 accepted as Anomia ephippium Linnaeus, 1758 (basis of record)
Anomia cepiformis Locard, 1886 accepted as Anomia ephippium Linnaeus, 1758 (basis of record)
Anomia cucullata Bruguière, 1789 accepted as Heteranomia squamula (Linnaeus, 1758) (basis of record)
Anomia cylindrica Gmelin, 1791 accepted as Heteranomia squamula (Linnaeus, 1758) (basis of record)
Anomia cymbiformis Maton & Rackett, 1807 accepted as Heteranomia squamula (Linnaeus, 1758) (basis of record)
Anomia elegans R. A. Philippi, 1844 accepted as Monia patelliformis (Linnaeus, 1761) accepted as Pododesmus patelliformis (Linnaeus, 1761) (basis of record)
Anomia ephippium Linnaeus, 1758 (additional source)
Anomia flexuosa Gmelin, 1791 accepted as Heteranomia squamula (Linnaeus, 1758) (basis of record)
Anomia fornicata Lamarck, 1819 accepted as Anomia ephippium Linnaeus, 1758 (basis of record)
Anomia lens Lamarck, 1819 accepted as Heteranomia squamula (Linnaeus, 1758) (basis of record)
Anomia margaritacea Poli, 1795 accepted as Monia patelliformis (Linnaeus, 1761) accepted as Pododesmus patelliformis (Linnaeus, 1761) (basis of record)
Anomia membranacea Lamarck, 1819 accepted as Heteranomia squamula (Linnaeus, 1758) (basis of record)
Anomia patellaris Lamarck, 1819 accepted as Anomia ephippium Linnaeus, 1758 (basis of record)
Anomia patelliformis Linnaeus, 1761 accepted as Monia patelliformis (Linnaeus, 1761) accepted as Pododesmus patelliformis (Linnaeus, 1761) (basis of record)
Anomia pectiniformis Poli, 1795 accepted as Monia patelliformis (Linnaeus, 1761) accepted as Pododesmus patelliformis (Linnaeus, 1761) (basis of record)
Anomia pellucida T. Brown, 1818 accepted as Anomia ephippium Linnaeus, 1758 (basis of record)
Anomia plana Danilo & Sandri, 1856 accepted as Monia patelliformis (Linnaeus, 1761) accepted as Pododesmus patelliformis (Linnaeus, 1761) (basis of record)
Anomia polymorpha R. A. Philippi, 1836 accepted as Anomia ephippium Linnaeus, 1758 (basis of record)
Anomia pyriformis Lamarck, 1819 accepted as Anomia ephippium Linnaeus, 1758 (basis of record)
Anomia radians O. G. Costa, 1844 accepted as Anomia ephippium Linnaeus, 1758 (basis of record)
Anomia radiata Brocchi, 1814 accepted as Anomia ephippium Linnaeus, 1758 (basis of record)
Anomia rugosa Gmelin, 1791 accepted as Heteranomia squamula (Linnaeus, 1758) (basis of record)
Anomia scabrella R. A. Philippi, 1836 accepted as Anomia ephippium Linnaeus, 1758 (basis of record)
Anomia spinosa Reeve, 1859 accepted as Heteranomia squamula (Linnaeus, 1758) (basis of record)
Anomia squamula Linnaeus, 1758 accepted as Heteranomia squamula (Linnaeus, 1758) (additional source)
Anomia sulcata Poli, 1795 accepted as Anomia ephippium Linnaeus, 1758 (basis of record)
Anomia tubularis W. Turton, 1822 accepted as Heteranomia squamula (Linnaeus, 1758) (basis of record)
Anomia tunicacepae da Costa, 1778 accepted as Anomia ephippium Linnaeus, 1758 (basis of record)
Anomia undulata Gmelin, 1791 accepted as Monia patelliformis (Linnaeus, 1761) accepted as Pododesmus patelliformis (Linnaeus, 1761) (source of synonymy)
Anomia violacea Bruguière, 1789 accepted as Anomia ephippium Linnaeus, 1758 (basis of record)
Antigona lamellaris Schumacher, 1817 (additional source)
Arca (Arca) Linnaeus, 1758 represented as Arca Linnaeus, 1758 (basis of record)
Arca amygdalum R. A. Philippi, 1845 accepted as Anadara kagoshimensis (Tokunaga, 1906) (basis of record)
Arca argenvillea Risso, 1826 accepted as Arca tetragona Poli, 1795 accepted as Tetrarca tetragona (Poli, 1795) (basis of record)
Arca aurita Brocchi, 1814 accepted as Limopsis aurita (Brocchi, 1814) (basis of record)
Arca barbata Linnaeus, 1758 accepted as Barbatia barbata (Linnaeus, 1758) (basis of record)
Arca bonnaniana Risso, 1826 accepted as Barbatia barbata (Linnaeus, 1758) (basis of record)
Arca britannica Reeve, 1844 accepted as Arca tetragona Poli, 1795 accepted as Tetrarca tetragona (Poli, 1795) (basis of record)
Arca cardissa Lamarck, 1819 accepted as Arca tetragona Poli, 1795 accepted as Tetrarca tetragona (Poli, 1795) (basis of record)
Arca clathrata Defrance, 1816 accepted as Acar clathrata (Defrance, 1816) (additional source)
Arca corbuloides Monterosato, 1881 accepted as Anadara corbuloides (Monterosato, 1881) (basis of record)
Arca crinita Pulteney, 1799 accepted as Striarca lactea (Linnaeus, 1758) (basis of record)
Arca frielei Friele, 1877 accepted as Bathyarca frielei (Friele, 1877) (basis of record)
Arca fusca Donovan, 1803 accepted as Arca tetragona Poli, 1795 accepted as Tetrarca tetragona (Poli, 1795) (basis of record)
Arca gaimardi Payraudeau, 1826 accepted as Striarca lactea (Linnaeus, 1758) (basis of record)
Arca gibbosa Reeve, 1844 accepted as Anadara gibbosa (Reeve, 1844) (basis of record)
Arca glacialis J. E. Gray, 1824 accepted as Bathyarca glacialis (J. E. Gray, 1824) (basis of record)
Arca glycymeris Linnaeus, 1758 accepted as Glycymeris glycymeris (Linnaeus, 1758) (basis of record)