clams

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clams Several types of marine bivalve molluscs, including scallop, large tropical clam, Tridacna gigas, quahog, Mya arenaria, and Venus mercenaria. A 100‐g portion of clams is an exceptionally rich source of vitamin B12; a good source of protein and niacin; contains 120 mg of sodium; supplies 60 kcal (250 kJ).