Anatinellidae 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)
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)
Bivalvia (additional source)
Camptonectinae Habe, 1977 (basis of record)
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)
Condylocardiidae F. Bernard, 1896 (additional source)
Condylocardiinae F. Bernard, 1896 accepted as Condylocardiidae F. Bernard, 1896 (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)
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 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 Sars, 1878 (basis of record)
Galeommatidae Gray, 1840 (additional source)
Galeommatoidea J. E. Gray, 1840 (basis of record)
Gastrochaenoidea 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)
Hiatellidae J. E. Gray, 1824 (additional source)
Hiatelloidea J. E. Gray, 1824 (basis of record)
Kelliidae Forbes & Hanley, 1848 accepted as Lasaeidae J. E. Gray, 1842 (additional source)
Laevicardiinae Keen, 1951 (status 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)
Leptonidae Gray, 1847 accepted as Lasaeidae J. E. Gray, 1842 (additional source)
Limida (additional source)
Limidae Rafinesque, 1815 (basis of record)
Limnoperninae Scarlato & Starobogatov, 1979 accepted as Arcuatulinae 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)
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)
Mesodesmatidae J. E. Gray, 1840 (additional source)
Montacutinae W. Clark, 1855 (additional source)
Myida (basis of record)
Myidae Lamarck, 1809 (basis of record)
Myochamidae P. P. Carpenter, 1861 (basis of record)
Myochamoidea P. P. Carpenter, 1861 (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)
Nuculanoidea H. Adams & A. Adams, 1858 (1854) (basis of record)
Nuculida (basis of record)
Nuculidae J. E. Gray, 1824 (status source)
Nuculoidea Gray, 1824 (basis of record)
Orthocardiinae J. A. Schneider, 2002 (additional source)
Ostreida (additional source)
Ostreoidea Rafinesque, 1815 (basis of record)
Pandoridae Rafinesque, 1815 (basis of record)
Pandoroidea Rafinesque, 1815 (basis of record)
Parilimyidae B. Morton, 1981 (additional source)
Pectinida (basis of record)