[unassigned] Pectinidae (basis of record)
Acharacinae Scarlato & Starobogatov, 1979 (basis of record)
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)
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)
Cardioidea Lamarck, 1809 (additional source)
Carditida (basis of record)
Carditoidea A. Férussac, 1822 (basis of record)
Chamoidea Lamarck, 1809 (basis of record)
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)
Corbiculoidea J. E. Gray, 1847 accepted as Cyrenoidea J. E. Gray, 1840 (basis of record)
Crassatellidae A. Férussac, 1822 (additional source)
Crassatellinae A. Férussac, 1822 (basis of record)
Crassatelloidea A. Férussac, 1822 (basis of record)
Cucullaeidae R. B. Stewart, 1930 (basis of record)
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 (basis of record)
Cyamioidea G. O. Sars, 1878 (additional source)
Cyrenidae J. E. Gray, 1840 (basis of record)
Cyrenoidea J. E. Gray, 1840 (basis of record)
Donacidae J. Fleming, 1828 (basis of record)
Dosiniinae Deshayes, 1853 (additional source)
Dreissenoidea J. E. Gray, 1840 (basis of record)
Euheterodonta incertae sedis (basis of record)
Fraginae R. B. Stewart, 1930 (basis of record)
Gaimardiidae Hedley, 1916 (additional source)
Gaimardioidea Hedley, 1916 accepted as Cyamioidea G. O. Sars, 1878 (basis of record)
Galeommatidae J. E. Gray, 1840 (additional source)
Galeommatoidea J. E. Gray, 1840 (basis of record)
Gastrochaenoidea J. E. Gray, 1840 (basis of record)
Glossidae Gray, 1847 (1840) (basis of record)
Glossoidea J. E. Gray, 1847 (1840) (additional source)
Glycymerididae Dall, 1908 (1847) (additional source)
Gouldiinae R. B. Stewart, 1930 (basis of record)
Gryphaeidae Vialov, 1936 (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)
Laternulidae Hedley, 1918 (1840) (basis of record)
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)
Lyonsiellidae Dall, 1895 (additional source)
Lyonsiidae P. Fischer, 1887 (basis of record)
Macominae Olsson, 1961 (basis of record)
Mactridae Lamarck, 1809 (additional source)
Mactrinae Lamarck, 1809 (additional source)
Mactroidea Lamarck, 1809 (basis of record)
Malleidae Lamarck, 1818 (additional source)
Malletiidae H. Adams & A. Adams, 1858 [1846] (additional source)
Manzanellidae Chronic, 1952 † (basis of record)
Manzanelloidea Chronic, 1952 (basis of record)
Mesodesmatidae J. E. Gray, 1840 (additional source)
Montacutinae W. Clark, 1855 (additional source)
Myida (basis of record)
Myidae Lamarck, 1809 (basis of record)
Myoidea Lamarck, 1809 (basis of record)
Mytilida (basis of record)
Mytilinae Rafinesque, 1815 (additional source)
Neilonellidae Schileyko, 1989 (additional source)
Neoleptonidae Thiele, 1934 (additional source)
Noetiidae R. B. Stewart, 1930 (additional source)
Nuculanida (basis of record)
Nuculanidae H. Adams & A. Adams, 1858 (1854) (basis of record)