Cardioidea

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

Taxonomy

These families are assigned to Cardioidea:
The use of † indicates taxa that are extinct.

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
**Species Pterocardia corallina
**Species Pterocardia couloni Rollier, 1912
**Species Pterocardia subminuta
**Species Pterocardia valfinense Rollier, 1912
**Species Pterocardia wimmisense Rollier, 1912