Bivalvia Linnaeus, 1758
Acuticosta Grimm, 1998
Aegilops Hall, 1850
Alytodonta Cope, 1997
Arcidae Lamarck, 1809
Arginopsis MacNeil, 1938
Boussacia Cossmann, 1911
Catamarcaia Sanchez & Babin, 1993
Chevronia Moerdijk & van Nieulande, 2000
Cosmetodon Branson, 1942
Costacutia Grimm, 2000
Cucullaeidae Steward, 1930
Curvirostrum Buckman, 1882
Cyrtodontidae Ulrich, 1894
Elegantarca Tomlin, 1930
Eusebia Maury, 1930
Falcatodonta Cope, 1996
Glycymerididae Newton, 1922
Glycymerula Finlay & Marwick, 1937
Heikea Isberg, 1934
Hoeferia Bittner, 1894
Incanopsis Olsson, 1944
Isoarca Münster, 1842
Lamellelodon Yao, 1993
Limopsidae Dall, 1895
Lopatinia Schmidt, 1872
Macrodontella Assmann, 1916
Manaia Finlay & Marwick, 1937
Megabuchiola Grimm, 1998
Metapadia Desbiens, 1994
Monteleonia del Rio & Camacho, 1998
Noetiidae Steward, 1930
Noetiopsis MacNeil, 1938
Obliquidon Astafieva-Urbait, 1994
Okinawanoarca Noda, 1980
Parallelodontidae Dall, 1898
Pectunculidae
Pentoperna
Philobryidae Bernardi, 1897
Porsguenia Grimm, 1998
Sowteria Whiteaves, 1908
Stenzelia Macneil, 1954
Taeniarca Olsson, 1964
Thorslundia Isberg, 1934
Torinosulcatella
Trecanolia Ratter & Cope, 1998
Uskardita Ratter & Cope, 1998
Vetoarca Stephenson, 1947
Vigorniella Reed, 1934
Warburgia Isberg, 1934
