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)
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)
Condylocardiidae F. Bernard, 1896 (additional source)
Condylocardiinae F. Bernard, 1896 accepted as Condylocardiidae F. Bernard, 1896 (basis of record)
Crassatelloidea A. Férussac, 1822 (basis of record)
Cultellinae A. M. Davies, 1935 (basis of record)
Cuspidariidae Dall, 1886 (additional source)
Cuspidarioidea Dall, 1886 (status source)
Cyamioidea G. O. Sars, 1878 (additional source)
Donacidae J. Fleming, 1828 (basis of record)
Dosiniinae Deshayes, 1853 (additional source)
Euheterodonta incertae sedis (basis of record)
Fraginae R. B. Stewart, 1930 (basis of record)
Galeommatidae Gray, 1840 (additional source)
Galeommatoidea J. E. Gray, 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)
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)
Lasaeidae J. E. Gray, 1842 (additional source)
Leptonidae Gray, 1847 accepted as Lasaeidae J. E. Gray, 1842 (additional source)
Limida (additional source)
Limidae Rafinesque, 1815 (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)
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)
Malletiidae H. Adams & A. Adams, 1858 (1846) (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)
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)
Pandoridae Rafinesque, 1815 (basis of record)
Pandoroidea Rafinesque, 1815 (basis of record)
Pectinacea accepted as Pectinoidea Rafinesque, 1815 (basis of record)
Pectinida (basis of record)
Pectinidae Rafinesque, 1815 (additional source)
Pectinidae incertae sedis (basis of record)
Pectininae Rafinesque, 1815 (basis of record)
Pectinoidea Rafinesque, 1815 (basis of record)
Periplomatidae Dall, 1895 (basis of record)
Petricolinae A. d'Orbigny, 1840 (additional source)
Pharidae H. Adams & A. Adams, 1856 (additional source)
Pholadidae Lamarck, 1809 (additional source)
Pholadoidea Lamarck, 1809 (basis of record)
Pholadomyoidea W. King, 1844 (basis of record)
Poromyidae Dall, 1886 (additional source)
Poromyoidea Dall, 1886 (status source)
Propeamussiidae Abbott, 1954 (additional source)
Psammobiidae J. Fleming, 1828 (additional source)
Semelidae Stoliczka, 1870 (1825) (additional source)
Solecurtidae A. d'Orbigny, 1846 (additional source)
Solenidae Lamarck, 1809 (additional source)
Solenoidea Lamarck, 1809 (basis of record)
Tapetinae J. E. Gray, 1851 (additional source)
Tellinidae Blainville, 1814 (additional source)
Tellininae Blainville, 1814 (basis of record)
Tellinoidea Blainville, 1814 (basis of record)
Thraciidae Stoliczka, 1870 (1839) (basis of record)
Thracioidea Stoliczka, 1870 (1839) (basis of record)
Thyasiridae Dall, 1900 (1895) (additional source)