Acharacidae Scarlato & Starobogatov, 1979 accepted as Acharacinae Scarlato & Starobogatov, 1979 (status source)
Acharacinae Scarlato & Starobogatov, 1979 (basis of record)
Aloididae Thiele, 1934 accepted as Corbulidae Lamarck, 1818 (source of synonymy)
Anatinellidae J. E. Gray, 1853 (basis of record)
Anomalodesmata (basis of record)
Anomiidae Rafinesque, 1815 (basis of record)
Anomioidea Rafinesque, 1815 (basis of record)
Arcida (basis of record)
Arcidae Lamarck, 1809 (additional source)
Arcoidea Lamarck, 1809 (basis of record)
Arcticidae R. B. Newton, 1891 (1844) (basis of record)
Arcticoidea R. B. Newton, 1891 (1844) (additional source)
Arteminae F. W. Hutton, 1880 accepted as Dosiniinae Deshayes, 1853 (source of synonymy)
Asaphidae Winckworth, 1932 accepted as Psammobiidae J. Fleming, 1828 (source of synonymy)
Astartacea accepted as Crassatelloidea A. Férussac, 1822 (basis of record)
Astartidae A. d'Orbigny, 1844 (1840) (additional source)
Astartoidea A. d'Orbigny, 1844 accepted as Crassatelloidea A. Férussac, 1822 (additional source)
Basterotiidae Cossmann, 1909 (basis of record)
Bathyspinulidae Coan & Valentich-Scott, 1997 (basis of record)
Bivalvia (additional source)
Camptonectinae Habe, 1977 (basis of record)
Cardiacea accepted as Cardioidea Lamarck, 1809 (additional source)
Cardiidae Lamarck, 1809 (additional source)
Cardiinae Lamarck, 1809 (additional source)
Cardiliidae P. Fischer, 1887 (basis of record)
Cardioidea Lamarck, 1809 (additional source)
Carditida (basis of record)
Carditoidea A. Férussac, 1822 (basis of record)
Chamoidea Lamarck, 1809 (basis of record)
Chioninae Frizzell, 1936 accepted as Venerinae Rafinesque, 1815 (additional source)
Chlamydoconchidae Dall, 1884 accepted as Galeommatidae Gray, 1840 (basis of record)
Circinae Dall, 1895 accepted as Gouldiinae R. B. Stewart, 1930 (additional source)
Clavagellidae A. d'Orbigny, 1844 (additional source)
Clavagelloidea A. d'Orbigny, 1844 (additional source)
Clinocardiinae Kafanov, 1975 (additional source)
Condylocardiidae F. Bernard, 1896 (additional source)
Condylocardiinae F. Bernard, 1896 accepted as Condylocardiidae F. Bernard, 1896 (basis of record)
Corbiculidae J. E. Gray, 1847 accepted as Cyrenidae J. E. Gray, 1840 (basis of record)
Corbiculoidea J. E. Gray, 1847 accepted as Cyrenoidea J. E. Gray, 1840 (basis of record)
Crassatellidae A. Férussac, 1822 (additional source)
Crassatellinae (basis of record)
Crassatelloidea A. Férussac, 1822 (basis of record)
Cucullaeidae R. B. Stewart, 1930 (basis of record)
Cultellidae A. M. Davies, 1935 accepted as Pharidae H. Adams & A. Adams, 1856 (additional source)
Cultellinae A. M. Davies, 1935 (basis of record)
Cuninae Chavan, 1969 (basis of record)
Cuspidariidae Dall, 1886 (additional source)
Cuspidarioidea Dall, 1886 (status source)
Cyamiidae G. O. Sars, 1878 (additional source)
Cyamioidea G. O. Sars, 1878 (additional source)
Cyrenidae J. E. Gray, 1840 (basis of record)
Cyrenoidea J. E. Gray, 1840 (basis of record)
Cyrenoididae H. Adams & A. Adams, 1857 (1853) (additional source)
Cyrenoidoidea H. Adams & A. Adams, 1857 (1853) accepted as Cyrenoidea J. E. Gray, 1840 (basis of record)
Dimyoidea P. Fischer, 1886 (basis of record)
Diplodontidae P. P. Carpenter, 1861 accepted as Ungulinidae J. E. Gray, 1854 (source of synonymy)
Donacidae J. Fleming, 1828 (basis of record)
Dosiniinae Deshayes, 1853 (additional source)
Dreissenoidea J. E. Gray, 1840 (basis of record)
Euciroidae Dall, 1895 (additional source)
Euheterodonta incertae sedis (basis of record)
Fraginae R. B. Stewart, 1930 (basis of record)
Gafrariidae Korobkov, 1954 accepted as Gouldiinae R. B. Stewart, 1930 (source of synonymy)
Gaimardiidae Hedley, 1916 (additional source)
Gaimardioidea Hedley, 1916 accepted as Cyamioidea G. O. Sars, 1878 (basis of record)
Galatheavalvidae Knudsen, 1970 (basis of record)
Galeommatidae Gray, 1840 (additional source)
Galeommatoidea J. E. Gray, 1840 (basis of record)
Gastrochaenoidea J. E. Gray, 1840 (basis of record)
Glauconomidae J. E. Gray, 1853 (basis of record)
Glossidae Gray, 1847 (1840) (basis of record)
Glossoidea J. E. Gray, 1847 (1840) (additional source)
Glycymerididae Dall, 1908 (1847) (additional source)
Goniocardiidae Scarlato & Starobogatov, 1979 † accepted as Tridacninae Lamarck, 1819 (source of synonymy)
Gouldiinae R. B. Stewart, 1930 (basis of record)
Gryphaeidae Vialov, 1936 (basis of record)
Hemidonacidae Scarlato & Starobogatov, 1971 (basis of record)
Hiatellacea accepted as Hiatelloidea J. E. Gray, 1824 (additional source)
Hiatellidae J. E. Gray, 1824 (additional source)
Hiatelloidea J. E. Gray, 1824 (basis of record)
Kelliellidae P. Fischer, 1887 (basis of record)
Kelliidae Forbes & Hanley, 1848 accepted as Lasaeidae J. E. Gray, 1842 (additional source)
Laevicardiinae Keen, 1951 (status source)
Lametilidae J. A. Allen & H. L. Sanders, 1973 (additional source)
Lasaeidae J. E. Gray, 1842 (additional source)
Lasaeinae represented as Lasaeidae J. E. Gray, 1842 (basis of record)
Laternulidae Hedley, 1918 (1840) (basis of record)
Ledidae Gray, 1854 accepted as Nuculanidae H. Adams & A. Adams, 1858 (1854) (source of synonymy)
Leptonidae Gray, 1847 accepted as Lasaeidae J. E. Gray, 1842 (additional source)
Limacea accepted as Limoidea Rafinesque, 1815 (additional source)
Limida (additional source)
Limidae Rafinesque, 1815 (basis of record)
Limnoperninae Scarlato & Starobogatov, 1979 (basis of record)
Limoidea Rafinesque, 1815 (basis of record)
Limopsidae Dall, 1895 (additional source)
Limopsoidea Dall, 1895 (basis of record)
Lucinida (basis of record)
Lucinoidea J. Fleming, 1828 (basis of record)
Lutrariinae Gray, 1853 (additional source)
Lymnocardiinae Stoliczka, 1870 (additional source)