Euheterodonta

Euheterodonta is an subterclass of Mollusca in the class Bivalvia.

Families
Subterclass Euheterodonta
 * Superorder Anomalodesmata Dall, 1889
 * Superfamily Clavagelloidea d'Orbigny, 1844
 * Clavagellidae d'Orbigny, 1844
 * Penicillidae Gray, 1858
 * Superfamily Cuspidarioidea Dall, 1886
 * Cuspidariidae Dall, 1886
 * Halonymphidae Scarlato & Starobogatov, 1983
 * Protocuspidariidae Scarlato & Starobogatov, 1983
 * Spheniopsidae J. Gardner, 1928
 * Superfamily Myochamoidea Carpenter, 1861
 * Cleidothaeridae Hedley, 1918 (1870)
 * Myochamidae Carpenter, 1861
 * Superfamily Pandoroidea Rafinesque, 1815
 * Lyonsiidae P. Fischer, 1887
 * Pandoridae Rafinesque, 1815
 * Superfamily Pholadomyoidea King, 1844
 * Parilimyidae Morton, 1981
 * Pholadomyidae King, 1844
 * Superfamily Poromyoidea Dall, 1886
 * Cetoconchidae Ridewood, 1903
 * Poromyidae Dall, 1886
 * Superfamily Thracioidea Stoliczka, 1870 (1839)
 * Clistoconchidae Morton, 2012
 * Laternulidae Hedley, 1918 (1840)
 * Periplomatidae Dall, 1895
 * Thraciidae Stoliczka, 1870 (1839)
 * Superfamily Verticordioidea Stoliczka, 1870
 * Euciroidae Dall, 1895
 * Lyonsiellidae Dall, 1895
 * Verticordiidae Stoliczka, 1870
 * Superorder Imparidentia Bieler, P. M. Mikkelsen & Giribet, 2014
 * Order Adapedonta Cossmann & Peyrot, 1909
 * Superfamily Hiatelloidea J.E. Gray, 1824
 * Hiatellidae Gray, 1824
 * Superfamily Solenoidea Lamarck, 1809
 * Pharidae H. Adams & A. Adams, 1856
 * Solenidae Lamarck, 1809
 * Order Cardiida Ferussac, 1822
 * Superfamily Cardioidea Lamarck, 1809
 * Cardiidae Lamarck, 1809
 * Pterocardiidae Scarlato & Starobogatov, 1979 †
 * Superfamily Tellinoidea Blainville, 1814
 * Order Hippuritida Newell, 1965 †
 * Suborder Hippuritidina Newell, 1965 †
 * Superfamily Caprinoidea d'Orbigny, 1847 †
 * Antillocaprinidae Mac Gillavry, 1937 †
 * Caprinidae d'Orbigny, 1847 †
 * Caprinuloideidae Damestoy, 1971 †
 * Ichthyosarcolitidae Douvillé, 1887 †
 * Superfamily Radiolitoidea d'Orbigny, 1847 †
 * Caprinulidae Yanin, 1990 †
 * Caprotinidae Gray, 1848 †
 * Diceratidae Dall, 1895 †
 * Hippuritidae Gray, 1848 †
 * Monopleuridae Munier-Chalmas, 1873 †
 * Plagioptychidae Douvillé, 1888 †
 * Polyconitidae Mac Gillavry, 1937 †
 * Radiolitidae d'Orbigny, 1847 †
 * Trechmannellidae Cox, 1934 †
 * Suborder Requieniidina Skelton, 2013 †
 * Superfamily Requienioidea Kutassy, 1934 †
 * Epidiceratidae Rengarten, 1950 †
 * Requieniidae Kutassy, 1934 †
 * Incertae sedis
 * Superfamily Chamoidea Lamarck, 1809
 * Chamidae Lamarck, 1809
 * Superfamily Cyamioidea Sars, 1878
 * Cyamiidae G.O. Sars, 1878
 * Galatheavalvidae Knudsen, 1970
 * Sportellidae Dall, 1899
 * Superfamily Gaimardioidea Hedley, 1916
 * Gaimardiidae Hedley, 1916
 * Superfamily Galeommatoidea J.E. Gray, 1840
 * Basterotiidae Cossmann, 1909
 * Galeommatidae Gray, 1840
 * Kelliidae Forbes & Hanley, 1848
 * Lasaeidae Gray, 1842
 * Montacutidae W. Clark, 1855
 * Superfamily Gastrochaenoidea Gray, 1840
 * Gastrochaenidae Gray, 1840
 * Superfamily Kalenteroidea Marwick, 1953 †
 * Kalenteridae Marwick, 1953 †
 * Superfamily Mactroidea Lamarck, 1809
 * Anatinellidae Deshayes, 1853
 * Cardiliidae P. Fischer, 1887
 * Mactridae Lamarck, 1809
 * Mesodesmatidae Gray, 1840
 * Superfamily Sphaerioidea Deshayes, 1855 (1820)
 * Sphaeriidae Deshayes, 1855 (1820)
 * Superfamily Ungulinoidea Gray, 1854
 * Ungulinidae Gray, 1854
 * Order Lucinida Gray, 1854
 * Superfamily Lucinoidea J. Fleming, 1828
 * Lucinidae J. Fleming, 1828
 * Superfamily Thyasiroidea Dall, 1900 (1895)
 * Thyasiridae Dall, 1900 (1895)
 * Order Megalodontida Starobogatov, 1992 †
 * Superfamily Megalodontoidea Morris & Lycett, 1853 †
 * Megalodontidae Morris & Lycett, 1853 †
 * Pachyrismatidae Scarlato & Starobogatov, 1979 †
 * Order Modiomorphida Newell, 1969 †
 * Superfamily Modiomorphoidea S. A. Miller, 1877 †
 * Modiomorphidae S. A. Miller, 1877 †
 * Palaeopharidae Marwick, 1953 †
 * Order Myida Stoliczka, 1870
 * Superfamily Dreissenoidea Gray, 1840
 * Dreissenidae Gray, 1840
 * Superfamily Myoidea Lamarck, 1809
 * Corbulidae Lamarck, 1818
 * Erodonidae Winckworth, 1932
 * Myidae Lamarck, 1809
 * Superfamily Pholadoidea Lamarck, 1809
 * Pholadidae Lamarck, 1809
 * Teredinidae Rafinesque, 1815
 * Xylophagidae Purchon, 1941
 * Order Venerida Gray, 1854
 * Superfamily Arcticoidea Newton, 1891 (1844)
 * Arcticidae Newton, 1891 (1844)
 * Trapezidae Lamy, 1920 (1895)
 * Superfamily Cyrenoidea Gray, 1840
 * Cyrenidae Gray, 1840
 * Cyrenoididae H. Adams & A. Adams, 1857 (1853)
 * Glauconomidae Gray, 1853
 * Superfamily Glossoidea J.E. Gray, 1847 (1840)
 * Glossidae Gray, 1847 (1840)
 * Lutetiidae Zhgenti, 1976 †
 * Incertae sedis
 * Kelliellidae Fischer, 1887
 * Vesicomyidae Dall & Simpson, 1901
 * Superfamily Veneroidea Rafinesque, 1815
 * Isocyprinidae R. N. Gardner, 2005 †
 * Neoleptonidae Thiele, 1934
 * Veneridae Rafinesque, 1815