Acanthocardia

Acanthocardia is a genus of saltwater clams, marine bivalve molluscs in the family Cardiidae. They are infaunal suspension feeders.

Species
There are six extant species:
 * Acanthocardia aculeata (Linnaeus, 1758)
 * Acanthocardia deshayesii (Payraudeau, 1826)
 * Acanthocardia echinata (Linnaeus, 1758)
 * Acanthocardia paucicostata (Sowerby, 1834)
 * Acanthocardia spinosa (Lightfoot, 1786)
 * Acanthocardia tuberculata (Linnaeus, 1758)