Mactridae Lamarck, 1809

Aliomactra Stephenson, 1952

Allomactra Tomlin, 1931

Anatina Schumacher, 1817

Andrusella

Austromactra Iredale, 1930

Avimactra Andrussov, 1905

Barymactra Cossmann & Peyrot, 1909

Clathodon Sowerby, 1839

Clathrodon Conrad, 1833

Coelomactra Dall, 1895

Colorimactra Iredale, 1929

Crassula Marwick, 1948

Crepispisula Eames, 1957

Cryptodon Conrad, 1837

Cryptomactra Andrussow, 1902

Cyclomactra Dall, 1895

Cymbophora Gabb, 1868

Darina Gray, 1853

Diaphoromactra Iredale, 1930

Eastonia Icke & Martin, 1906

Electromactra

Geltena Stephenson, 1946

Gnathodon Sowerby, 1832

Gnatodon Rang, 1834

Harvella Gray, 1853

Hemimactra Swainson, 1840

Heterocardia Deshayes, 1855

Laminaria Gray, 1821

Leptomactra Ward, 1992

Leptospisula Dall, 1895

Lutraria Lamarck, 1799

Lutromactra Iredale, 1929

Mactra Linnaeus, 1767

Mactrella Gray, 1853

Mactrellona Marks, 1915

Mactrinula Gray, 1853

Mactroderma Dall, 1894

Mactrodesma Conrad, 1869

Mactromeris Conrad, 1868

Mactrotoma Dall, 1894

Mactrotroma

Maorimactra Finlay, 1928

Merope Adams, 1856

Meropesta Iredale, 1929

Moulinea Philippi, 1853

Moulinia Philippi, 1844

Mulina Philippi, 1853

Mulinea Shuttleworth, 1856

Mulinia Gray, 1837

Nannomactra Iredale, 1930

Nymphactra Stilwell & Zinsmeister, 1992

Oxyperas Mörch, 1853

Petromactra Saul, 1973

Priscomactra

Pseudocardium Gabb, 1869

Pteroluter Saul, 1973

Pteropsella Vokes, 1956

Raeta Gray, 1853

Raetellops Habe, 1952

Raetina Dall, 1895

Rangia Des Moulins, 1832

Resania Gray, 1853

Scalpomactra Finlay in Marwick, 1928

Schizotheirus Carpenter, 1872

Schizothoerus Conrad, 1856

Scissodesma Gray, 1837

Seizocheilus Carpenter, 1861

Shizothaerus Conrad, 1868

Simomactra Dall, 1894

Spiscula

Spisula Gray, 1837

Standella Gray, 1853

Tanysiphon Benson, 1858

Tresus Gray, 1853

Trinitasia Maury, 1928

Tumbeziconcha Pilsbry & Olsson, 1935

Vaganella Paetel, 1875

Vanginella Pfeiffer, 1869

Willimactra Saul, 1973

Zenatia Gray, 1853

Zenatina Gill & Darragh, 1963