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Great heart cockle (Dinocardium robustum)—Harry Rogers
Any of approximately 250 species (family Cardiidae) of marine bivalves distributed worldwide. They range in diameter from about 0.5 in. (1 cm) to about 6 in. (15 cm). The two valves of the shell are equal in size and shape and range in colour from brown to red or yellow. Most species live just below the low-tide line, though some have been obtained from depths of more than 1,500 ft (500 m) or in the intertidal zone. Many species are marketed commercially for their meat.
Variants of COCKLE
cockle or heart clam
This entry comes from Encyclopædia Britannica Concise. For the full entry on cockle, visit Britannica.com.