Acanthocardia (Schedocardia) Stewart 1930 (cockle)

Bivalvia - Cardiida - Cardiidae

Alternative spelling: Plagiocardium (Schedocardia)

Full reference: R. B. Stewart. 1930. Gabb's California Cretaceous and Tertiary type lamellibranchs. The Academy of Natural Sciences of Philadelphia Special Publication 3:1-314

Parent taxon: Acanthocardia according to E. J. Moore 2003

See also Kiessling 2003, Palmer and Brann 1965, Schneider 2002, Sepkoski 2002, Squires 1984, Squires 1987, Turner 1938, Weaver 1942 and Woodring 1982

Sister taxa: Acanthocardia (Acanthocardia), Acanthocardia (Agnocardia), Acanthocardia afra, Acanthocardia becksii, Acanthocardia brunettii, Acanthocardia hanseata, Acanthocardia maputi, Acanthocardia massintonti, Acanthocardia mozambensis, Acanthocardia paucicostata, Cardium (Acanthocardia) cheribonense

Subtaxa: Acanthocardia (Schedocardia) tuomeyi

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Type: Cardium hatchetigbeensis

Ecology: facultatively mobile infaunal suspension feeder


• Eocene of United States (8: California, Louisiana collections)

• Paleocene of United States (25: Alabama, Georgia, Louisiana, Texas)

Total: 33 collections including 34 occurrences

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