# Cardioidea

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**Cardioidea** is a [taxonomic](/source/Taxonomy_(biology)) [superfamily](/source/Taxonomic_rank#Ranks_in_zoology) of saltwater clams, [marine](/source/Marine_(ocean)) [bivalve](/source/Bivalve) [molluscs](/source/Mollusc) consisting of the extant [Cardiidae](/source/Cardiidae) (cockles) and the extinct [Pterocardiidae](/source/Pterocardiidae).

## Taxonomy

These families are assigned to Cardioidea:[1]

The use of † indicates taxa that are extinct.

- Family: [Cardiidae](/source/Cardiidae) Lamarck, 1809[2] - Subfamily [Cardiinae](/source/Cardiinae) Lamarck, 1809 - Subfamily [Clinocardiinae](/source/Clinocardiinae) Kafanov, 1975 - Subfamily [Fraginae](/source/Fraginae) Stewart, 1930 - Subfamily [Laevicardiinae](/source/Laevicardiinae) Keen, 1951 - Subfamily [Lahilliinae](/source/Lahilliinae) Finlay & Marwick, 1937† - Subfamily [Lymnocardiinae](/source/Lymnocardiinae) Stoliczka, 1870 - Subfamily [Orthocardiinae](/source/Orthocardiinae) J. A. Schneider, 2002 - Subfamily [Protocardiinae](/source/Protocardiinae) Bronn, 1849† - Subfamily [Trachycardiinae](/source/Trachycardiinae) Stewart, 1930 - Subfamily [Tridacninae](/source/Tridacninae) Lamarck, 1819
- Family: [Pterocardiidae](/source/Pterocardiidae) Scarlato & Starobogatov, 1979 - Genus [Pterocardia](/source/Pterocardia) Bayan, 1874[3] - Species *[Pterocardia alata](/source/Pterocardia_alata)* Rollier, 1912 - Species *[Pterocardia brouzetense](/source/Pterocardia_brouzetense)* Cossmann, 1907 - Species *[Pterocardia cochleata](/source/Pterocardia_cochleata)* (Quenstedt, 1852) - Species *[Pterocardia corallina](/source/Pterocardia_corallina)* (Leymerie, 1845) - Species *[Pterocardia couloni](/source/Pterocardia_couloni)* Rollier, 1912 - Species *[Pterocardia subminuta](/source/Pterocardia_subminuta)* (d'Orbigny, 1850) - Species *[Pterocardia valfinense](/source/Pterocardia_valfinense)* Rollier, 1912 - Species *[Pterocardia wimmisense](/source/Pterocardia_wimmisense)* Rollier, 1912

## References

1. ["WoRMS - World Register of Marine Species - Cardioidea Lamarck, 1809"](http://www.marinespecies.org/aphia.php?p=taxdetails&id=14633). *www.marinespecies.org*. Retrieved 2019-04-03.

1. MolluscaBase (2019). MolluscaBase. Cardiidae Lamarck, 1809. Accessed through: World Register of Marine Species at: [http://marinespecies.org/aphia.php?p=taxdetails&id=229](http://marinespecies.org/aphia.php?p=taxdetails&id=229) on 2019-05-16

1. MolluscaBase (2019). MolluscaBase. Pterocardia Bayan, 1874 †. Accessed through: World Register of Marine Species at: [http://www.marinespecies.org/aphia.php?p=taxdetails&id=873298](http://www.marinespecies.org/aphia.php?p=taxdetails&id=873298) on 2019-05-16

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