Cardiidae is an order of Marine Bivalve Molluscs, also known as Cockles. It includes the Giant Clam (Tridacna gigas), which is the largest bivalve in the world! Many, including The Giant Clam, are commercially important species, eaten around the world. The two halves of the shell are equal in size and have ribs radiating down them. Click here to learn more about Bivalves, or continue to select a Genus below.
Genus – Those in the same genus share many characteristics and look very similar. You have nearly identified a species
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