Cardioidea

Cardioidea is a taxonomic superfamily of saltwater clams, marine bivalve molluscs consisting of the extant Cardiidae (cockles) and the extinct Pterocardiidae.

Taxonomy
These families are assigned to Cardioidea:


 * Family: Cardiidae Lamarck, 1809
 * Subfamily Cardiinae Lamarck, 1809
 * Subfamily Clinocardiinae Kafanov, 1975
 * Subfamily Fraginae Stewart, 1930
 * Subfamily Laevicardiinae Keen, 1951
 * Subfamily Lahilliinae Finlay & Marwick, 1937 †
 * Subfamily Lymnocardiinae Stoliczka, 1870
 * Subfamily Orthocardiinae J. A. Schneider, 2002
 * Subfamily Protocardiinae Bronn, 1849 †
 * Subfamily Trachycardiinae Stewart, 1930
 * Subfamily Tridacninae Lamarck, 1819
 * Family: Pterocardiidae Scarlato & Starobogatov, 1979
 * Genus Pterocardia Bayan, 1874
 * Species Pterocardia alata Rollier, 1912
 * Species Pterocardia brouzetense Cossmann, 1907
 * Species Pterocardia cochleata (Quenstedt, 1852)
 * Species Pterocardia corallina (Leymerie, 1845)
 * Species Pterocardia couloni Rollier, 1912
 * Species Pterocardia subminuta (d'Orbigny, 1850)
 * Species Pterocardia valfinense Rollier, 1912
 * Species Pterocardia wimmisense Rollier, 1912