Euheterodonta

Families

• 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
• **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
• **Clistoconchidae Morton, 2012
• **Laternulidae Hedley, 1918
• **Periplomatidae Dall, 1895
• **Thraciidae Stoliczka, 1870
• *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
• ***Sphaeriidae Deshayes, 1855
• **Superfamily Ungulinoidea Gray, 1854
• ***Ungulinidae Gray, 1854
• *Order Lucinida Gray, 1854
• **Superfamily Lucinoidea J. Fleming, 1828
• ***Lucinidae J. Fleming, 1828
• **Superfamily Thyasiroidea Dall, 1900
• ***Thyasiridae Dall, 1900
• *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
• ***Arcticidae Newton, 1891
• ***Trapezidae Lamy, 1920
• **Superfamily Cyrenoidea Gray, 1840
• ***Cyrenidae Gray, 1840
• ***Cyrenoididae H. Adams & A. Adams, 1857
• ***Glauconomidae Gray, 1853
• **Superfamily Glossoidea J.E. Gray, 1847
• ***Glossidae Gray, 1847
• ***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