Carditida

Carditida is an order of marine bivalve clams.

Carditida
Shells of several Carditidae species
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Infraclass:	Heteroconchia
Subterclass:	Archiheterodonta
Order:	Carditida Lamarck, 1809
Superfamilies
Carditoidea Crassatelloidea
Synonyms
Carditoida

Superfamilies and families

According to the World Register of Marine Species:^[1]

• Family: †Archaeocardiidae

• Superfamily: Carditoidea
  • Family: Carditidae
  • Family: Condylocardiidae
• Superfamily: Crassatelloidea
  • Family: Crassatellidae
  • Family: Astartidae

• Family: †Eodonidae

Notes:

• Previously in 2010, Condylocardiidae was classified in its own superfamily, Condylocardioidea.^[2]
• Carditida does not yet exist in the ITIS classification, with its families instead being included in Venerida.^[3]