Ocean Facts: How do clams get their shells

Clams - Fire Island National Seashore (U.S. National Park Service)

Giant clam - Wikipedia

Clam Identification and Facts (From Cockles to Lucines) - Owlcation

Giant Clam - Great Barrier Reef Foundation - Great Barrier Reef Foundation

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500-year-old Clams Recorded Changes in Ocean Climate, Research

Are clams alive? - Quora

Everything You Need to Know About Collecting Seashells

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Manila Clams — Sea Forager