A 'swatch' is a word that you may not associate with a wildlife identification guide. Originally used in the clothing trade, a swatch was a small sample of fabric. If you were having a jacket made to ...

A clam shell may be a familiar find on the beach, but its intricate curves and markings tell a rich tale. For centuries, biologists have collected, drawn, measured and compared the shells of bivalve ...

What is a mollusk? -- What is a shell? -- Shell collecting -- Shell identification key -- The shells -- Chitons -- Bivalves -- Schaphopods -- Gastropods -- Cephalopods ...

A new paleontology study by UChicago researchers discovered that rock-boring clams, known as bivalves, vary in shape despite performing the same function. This paper is one of the first major studies ...