Euheterodonta

Euheterodonta
	Polymesoda artacta from the Maracaibo estuary, Zulia
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Subclass:	Autobranchia
Infraclass:	Heteroconchia
Subterclass:	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