[unassigned] Euheterodonta (basis of record)
[unassigned] Pectinidae (basis of record)
Acharacinae Scarlato & Starobogatov, 1979 (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 Newton, 1891 (1844) (basis of record)
Arcticoidea Newton, 1891 (1844) (additional source)
Astartidae d'Orbigny, 1844 (1840) (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)
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)
Clinocardiinae Kafanov, 1975 (additional source)
Condylocardiidae F. Bernard, 1896 (additional source)
Condylocardiinae F. Bernard, 1896 accepted as Condylocardiidae F. Bernard, 1896 (basis of record)
Crassatellidae Férussac, 1822 (additional source)
Crassatelloidea Férussac, 1822 (basis of record)
Cultellinae A. M. Davies, 1935 (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)
Dimyoidea P. Fischer, 1886 (basis of record)
Dosiniinae Deshayes, 1853 (additional source)
Euciroidae Dall, 1895 (additional source)
Fraginae R. B. Stewart, 1930 (basis of record)
Galatheavalvidae Knudsen, 1970 (basis of record)
Galeommatidae Gray, 1840 (additional source)
Galeommatoidea 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)
Hiatellidae 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 Gray, 1842 (additional source)
Laevicardiinae Keen, 1951 (status source)
Lametilidae Allen & H. L. Sanders, 1973 (additional source)
Lasaeidae Gray, 1842 (additional source)
Laternulidae Hedley, 1918 (1840) (basis of record)
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)
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)
Malletiidae H. Adams & A. Adams, 1858 (1846) (additional source)
Manzanellidae Chronic, 1952 † (basis of record)
Manzanelloidea Chronic, 1952 (basis of record)
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)
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 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)
Pectinidae Rafinesque, 1815 (additional source)
Pectininae Rafinesque, 1815 (basis of record)
Pectinoidea Rafinesque, 1815 (basis of record)
Periplomatidae Dall, 1895 (basis of record)
Petricolinae d'Orbigny, 1840 (additional source)
Pharidae H. Adams & A. Adams, 1856 (additional source)
Phaseolidae Scarlato & Starobogatov, 1971 (basis of record)

 Nomenclature

 for Trigoniidae Lamarck, 1819

Original spelling “les Trigonées” (vernacular). First latinized [as Trigoniana] by Children (1823: 321), in an ... [details]