Bivalvia Linnaeus, 1758
Antactinodion Guo, 1980
Anthracoleda Benedetto, 1980
Arcodonta Cope, 1999
Bicrenucula Zhang, 1984
Bicrenula
Borissia Slodkewitsch, 1938
Caesariella Liljedahl, 1984
Cnestriella Tashiro & Otsuka, 1980
Concavoleda Sanchez, 1999
Costaledopsis Sanchez, 1990
Costatoleda Roth, 1914
Ctenodontidae Wöhrmann, 1893
Cuyopsis Sanchez, 1999
Dacryomya Loriol, 1899
Devonodeceptrix Sanchez, 1995
Eleganuculana Chen & Yang, 1983
Emiliania Sánchez, 1999
Eritropsis
Fordillidae Pojeta, 1975
Freja Liljedahl, 1984
Gibbonucula Eames, 1951
Gonionuculites Babin, Jaouen & Racheboeuf, 2001
Hataiyoldia Kamada, 1962
Hemiconcavodonta Sanchez, 1999
Homilodonta Cope, 1997
Iheringinucula del Rio & Camacho, 1996
Indoculana Kanjilal & Singh, 1980
Kalayoldia Grant & Gale, 1931
Kufralaria Termier & Termier, 1980
Lametilidae Allen & Sanders, 1973
Leiodysodonta Pojeta, Zhang Renjie & Yang Zunyi, 1986
Lissanucula
Lusitanula Fürsich & Werner, 1987
Malletiidae H. & A. Adams, 1858
Manchurinucula Gu, 1997
Menneroctenia Kalishevich, 1973
Myoflebilia Babin & Beaulieu, 2003
Nampiella Kafanov & Savizky, 1995
Neiloides Freneix, 1980
Neilonellidae Schileyko, 1989
Notonucula Bradshaw, 1991
Nuculanidae Meek, 1864
Nuculidae Gray, 1824
Nuculopsis Girty, 1911
Palaeostraba Liljedahl, 1984
Paulinea Cope, 1996
Pensarnia Cope, 1996
Persilana Repin, 2001
Phaseolidae Scarlato & Starobogatov, 1971
Praenuculidae Mcalester, 1969
Praesacella
Praesachalinella Kafanov & Savizky, 1995
Pristiglomidae Sanders & Allen, 1973
Pseudoleda Sanchez, 1995
Pseudonucula Dickins, 1989
Pseudonuculana Pojeta, Zhang Renjie & Yang Zunyi, 1986
Ptychostolis Tullberg, 1881
Qiongzhounia Lan, 1983
Rollieria Cossmann, 1920
Scyphoconcha Liu & Gu, 1989
Sibiroctenia Krasilova, 1976
Siliculidae Allen & Sanders, 1973
Similoconcha Zhang, 1977
Spinulidae
Suria Sanchez, 1997
Thoraliidae Morris, 1980
Tindariidae Verrill & Bush, 1897
Trigonoconcha Sanchez, 1999
Veteranella Patte, 1926
Villicumia Sanchez, 1999
Yoldiidae Habe, 1977