Ocean Facts: How do clams get their shells

Freshwater Clams and Mussels - Alabama Cooperative Extension System

A 450-Year Record of North Sea Herring, Pried from Clams

Clam - Wikipedia

Giant clam - Wikipedia

Fun Clam Facts

A Beachcomber's View: A Closer Look at Wampum

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

Pacific Razor Clams: How to Catch, Clean, and Cook Them