Aequipectinini F. Nordsieck, 1969 (basis of record)
Allodesmatidae Dall, 1895 † (source of synonymy)
Alulinae N. J. Morris, Dickins & Astafieva-Urbajtis, 1991 † (basis of record)
Antactinodiontidae F.-X. Guo, 1980 † (additional source)
Arctostreidae Vialov, 1983 † (basis of record)
Arcuatulinae Scarlato & Starobogatov, 1979 accepted as Crenellinae J. E. Gray, 1840 (basis of record)
Aspathariinae Modell, 1942 (basis of record)
Astartinae d'Orbigny, 1844 (1840) (status source)
Avicardiini S. V. Popov, 1977 † (additional source)
Cadomiidae Scarlato & Starobogatov, 1979 † (basis of record)
Cardiniidae Zittel, 1881 † (basis of record)
Carydiidae Haffer, 1959 † (additional source)
Cassianoidinae Newell & Boyd, 1995 † (status source)
Chaenomyinae Waterhouse, 1966 † (basis of record)
Chamidae Lamarck, 1809 (basis of record)
Chondrodontidae Freneix, 1960 † (basis of record)
Clementiinae Frizzell, 1936 (status source)
Codakiinae Iredale, 1937 (basis of record)
Corbulidae Lamarck, 1818 (basis of record)
Crassostreinae Scarlato & Starobogatov, 1979 (basis of record)
Crenipectininae Scarlato & Starobogatov, 1979 † (basis of record)
Cyrenidae J. E. Gray, 1840 (additional source)
Dimyidae P. Fischer, 1886 (basis of record)
Dreissena van Beneden, 1835 (basis of record)
Dreissenidae J. E. Gray, 1840 (basis of record)
Entoliidae Teppner, 1922 (basis of record)
Erodonidae Winckworth, 1932 accepted as Erodoninae Winckworth, 1932 (basis of record)
Euloxidae J. A. Gardner, 1943 † (basis of record)
Fimbriidae Nicol, 1950 (1870) accepted as Fimbriinae Nicol, 1950 (basis of record)
Flemingostreinae Stenzel, 1971 † (basis of record)
Gastrochaenidae J. E. Gray, 1840 (basis of record)
Isognomonidae Woodring, 1925 (1828) (basis of record)
Kijidae C. M. Kolesnikov, 1977 † (basis of record)
Leiopectinidae Krasilova, 1959 † (basis of record)
Leiopectinoidea Krasilova, 1959 † (basis of record)
Liminae Rafinesque, 1815 (status source)
Margaritidae Blainville, 1824 (basis of record)
Mclearniinae Shurygin & Lutikov, 1991 † (basis of record)
Meretricinae J. E. Gray, 1847 (basis of record)
Microdontellidae Gusev, 1969 † accepted as Senderzoniellidae Betekhtina, Starobogatov & Jatsuk, 1987 † (source of synonymy)
Musculinae Iredale, 1939 accepted as Mytilinae Rafinesque, 1815 (source of synonymy)
Opinae Chavan, 1952 † (status source)
Ostreidae Rafinesque, 1815 (basis of record)
Pachycardia Hauer, 1857 † (basis of record)
Pernopectinidae Newell, 1938 † (taxonomy source)
Pharellinae Stoliczka, 1870 (basis of record)
Praecardiida † (basis of record)
Propeamussiidae Abbott, 1954 (taxonomy source)
Protocuspidariidae Scarlato & Starobogatov, 1983 (status source)
Pteriidae J. E. Gray, 1847 (1820) (basis of record)
Pterinopectinidae Newell, 1938 † (taxonomy source)
Pterochaeniinae Z.-J. Fang & W.-M. Ding, 1993 † (additional source)
Sibireconchidae C. M. Kolesnikov, 1977 † (basis of record)
Sunettinae Stoliczka, 1870 (basis of record)
Terquemiidae L. R. Cox, 1964 † (basis of record)
Tosapectinidae Trushchelev, 1984 † (basis of record)
Trigoniidae Lamarck, 1819 (basis of record)
Vulsellidae J. E. Gray, 1854 (basis of record)