External link - taxa
| Raetomyidae R. Newton, 1919 † | |
| Siliculinae J. A. Allen & Sanders, 1973 | |
| Merklinicardiini S. V. Popov in Nevesskaja, Paramonova & Popov, 2001 † | |
| Ostreomorphi Férussac, 1822 in 1821–1822 BIOLIB: Férussac, 1822 | |
| Pholadinae Lamarck, 1809 | |
| Pristiglomoidea Sanders & Allen, 1973 = Nuculanoidea H. & A. Adams, 1858 | |
| Obsoletiformini Paramonova in Nevesskaja, Paramonova & Popov, 2001 † | |
| Arcioni J. Gray, 1854a BIOLIB: J. Gray, 1854 | |
| Myochamidae P. P. Carpenter, 1861 | |
| Nuculinae J. Gray, 1824 | |
| Pachydacnini Andreescu, 1975 † | |
| Ostreioni Férussac, 1822 in 1821–1822 BIOLIB: Férussac, 1822 | |
| Cleidothaeridae Hedley, 1918 | |
| Nuculominae Maxwell, 1988 | |
| Paradacnini Eberzin, 1967 † | |
| Myalinata H. Paul, 1939 † | |
| Babinkidae Horný, 1960 † | |
| Palaeonuculinae Carter, 2001 † | |
| Phyllocardiini Nevesskaja in Nevesskaja & others, 1986 † BIOLIB: Nevesskaja in Nevesskaja et al., 1986 | |
| Ostreata Férussac, 1822 in 1821–1822 BIOLIB: Férussac, 1822 | |
| Malletiidae H. Adams & A. Adams, 1858 | |
| Pholadomyida Newell, 1965 | |
| Planacardiini Paramonova in Nevesskaja, Paramonova & Popov, 2001 † | |
| Myodakryotidae Tunnicliff, 1987 † | |
| Entoliidae Teppner, 1922 | |
| Pandorida R. Stewart, 1930 | |
| Plicatiformini Paramonova in Nevesskaja, Paramonova & Popov, 2001 † | |
| Lunulacardiinae P. Fischer, 1887 = Lunulacardiidae P. Fischer, 1887 † | |
| Manzanelloidea Chronic, 1952 | |
| Penicillidae J. Gray, 1858 | |
| Pontalmyrini Taktakishvili, 1987 † | |
| Pterochaeniinae Fang & Ding, 1993 = Lunulacardiidae P. Fischer, 1887 † | |
| Pinnoidea Leach, 1819 | |
| Thraciida Carter, 2011 = Thracioidea Stoliczka, 1870 | |
| Prosodacnini Keen, 1937 † | |
| Kolymiidae V. Kuznetsov, 1973 † | |
| Dimyoidea P. Fischer, 1886 | |
| Burmesiidae M. Healey, 1908 † | |
| Adacnini T. Gill, 1871 = Cardiidae Lamarck, 1809 - cockles | |
| Retroceramidae Koschelkina, 1980 † | |
| Anomioidea Rafinesque, 1815 | |
| Pholadomyoidea W. King, 1844 | |
| Profraginae Badve, 1977 † | |
| Inoceraminae C. Giebel, 1852 † | |
| Pectinoidea Rafinesque, 1815 | |
| Arenigomyidae Carter, 2011 † | |
| Trapezicardiinae Kanjilal & Srinivasan, 2002 † | |
| Coloniceraminae Pochialaynen, 1985 † | |
| Limoidea Rafinesque, 1815 | |
| Pholadomyinae W. King, 1844 | |
| Tulongocardiinae J. Schneider, 1995 † | |
| Sachalinoceraminae Zonova, 1984 † | |
| Myoidea Lamarck, 1809 | |
| Chaenomyinae Waterhouse, 1966 † | |
| Euloxidae J. A. Gardner, 1944 | |
| Atomodesmatinae Waterhouse, 1976 † | |
| Pholadoidea Lamarck, 1809 | |
| Margaritariidae H. Vokes, 1964 † | |
| Pollicidae L. Stephenson, 1953 † | |
| Malimanininae Waterhouse, 2001 † | |
| Pandoroidea Rafinesque, 1815 | |
| Ucumariidae Sánchez in Sánchez & Vaccari, 2003 † | |
| Kymatoxinae Stenzel & Krause in Stenzel, Krause & Twining, 1957 | |
| Permoceraminae Waterhouse, 2008 † | |
| Cuspidarioidea Dall, 1886 | |
| Poromyida Ridewood, 1903 | |
| Darininae Signorelli, 2011 | |
| Prokopievskiinae H. Vokes, 1967 † | |
| Pseudocardinioidea Martinson, 1961 † | |
| Poromyoidea Dall, 1886 | |
| Tanysiphoninae Scarlato & Starobogatov in Nevesskaja & others, 1971 BIOLIB: Scarlato & Starobogatov in Nevesskaja et al., 1971 | |
| Abiellinae Starobogatov, 1970 † | |
| Camptonectinae Habe, 1977 = Pectinidae Rafinesque, 1815 | |
| Cetoconchidae Ridewood, 1903 | |
| Astartellinae Boyd & Newell, 1968 † | |
| Concinellinae Silantiev, 2011 † | |
| Austrochlamydini Jonkers, 2003 = Pectinidae Rafinesque, 1815 | |
| Parilimyoidea B. Morton, 1981 | |
| Pinzonellinae Beurlen, 1954 † | |
| Kinerkaellinae Scarlato & Starobogatov, 1979a † BIOLIB: Scarlato & Starobogatov, 1979 | |
| Adamussiini Habe, 1977 = Pectinidae Rafinesque, 1815 | |
| Carditioni Dall, 1889 | |
| Trigonopinae R. N. Gardner & Campbell, 2002 † | |
| Trinacriini MacNeil, 1937 † | |
| Aequipectinini Nordsieck, 1969 = Pectinidae Rafinesque, 1815 | |
| Healeyinae Hautmann, 2008 † | |
| Thecaliinae Dall, 1903 | |
| Glycymeridinae Dall, 1908 = Glycymerididae Dall, 1908 | |
| Butovicellinae Kříž, 1965 † | |
| Joannininae Carter, 2011 † | |
| Isocyprinidae R. N. Gardner, 2005 † | |
| Arcullaeinae Newell, 1969a † BIOLIB: Newell, 1969 | |
| Praenuculidae McAlester, 1969 † | |
| Requieniinae Kutassy, 1934 † | |
| Venerini Rafinesque, 1815 = Venerinae Rafinesque, 1815 | |
| Parallelodontinae Dall, 1898 † | |
| Stolidotidae Starobogatov, 1977 † | |
| Matheroniinae R. Scott & others, 2010 † BIOLIB: R. Scott et al., 2010 | |
| Chionina Frizzell, 1936 = Venerinae Rafinesque, 1815 | |
| Grammatodontinae L. Stephenson, 1941 † |