[unassigned] Euheterodonta (basis of record)
[unassigned] Pectinidae (basis of record)
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 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 Newton, 1891 (1844) (basis of record)
Arcticoidea Newton, 1891 (1844) (additional source)
Asaphidae Winckworth, 1932 accepted as Psammobiidae J. Fleming, 1828 (source of synonymy)
Astartacea accepted as Crassatelloidea Férussac, 1822 (basis of record)
Astartidae d'Orbigny, 1844 (1840) (additional source)
Astartoidea d'Orbigny, 1844 accepted as Crassatelloidea 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 d'Orbigny, 1844 (additional source)
Clavagelloidea 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 Gray, 1847 accepted as Cyrenidae Gray, 1840 (basis of record)
Corbiculoidea J. E. Gray, 1847 accepted as Cyrenoidea Gray, 1840 (basis of record)
Crassatellidae Férussac, 1822 (additional source)
Crassatellinae (basis of record)
Crassatelloidea 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 Sars, 1878 (additional source)
Cyrenidae Gray, 1840 (basis of record)
Cyrenoidea Gray, 1840 (basis of record)
Cyrenoididae H. Adams & A. Adams, 1857 (1853) (additional source)
Cyrenoidoidea H. Adams & A. Adams, 1857 (1853) accepted as Cyrenoidea Gray, 1840 (basis of record)
Dimyoidea P. Fischer, 1886 (basis of record)
Diplodontidae P. P. Carpenter, 1861 accepted as Ungulinidae 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)
Fraginae R. B. Stewart, 1930 (basis of record)
Gaimardiidae Hedley, 1916 (additional source)
Gaimardioidea Hedley, 1916 accepted as Cyamioidea 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 Gray, 1840 (basis of record)
Glauconomidae 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 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)
Lasaeinae represented as Lasaeidae 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 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 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)

 Nomenclature

 for Trigoniidae Lamarck, 1819

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