Contains descriptions and illustrations of clam, oyster and scallop innards.

Presents basic information, scientific classifications, and photos of clams, oysters, scallops, and mussels.

Provides a virtual encyclopedia entry describing the characteristics of divided shell mollusks, known as bivalves. Includes related links.

Profile of these rare shelled animals includes details on their history, scientific classification, and appearance. Find related links.

Describes the interior lining of marine shells and mentions its historical use and chemical component.

Provides a concise definition of the term. Follow the links to mollusks and crustaceans, two groups of shellfish.