Arca
- ark shell
Marine bivalve mollusk having a heavy toothed shell with a deep boat-like inner surfa...
- blood clam
Red-blooded clam.
Also contains
- oyster
Marine mollusks having a rough irregular shell; found on the sea bed mostly in coastal w...
- clam
Burrowing marine mollusk living on sand or mud; the shell closes with viselike firmness.
- scallop
Edible marine bivalve having a fluted fan-shaped shell that swim by expelling water from...
- mussel
Marine or freshwater bivalve mollusk that lives attached to rocks etc.
- cockle
Common edible, burrowing European bivalve mollusk that has a strong, rounded shell with radiating...
- piddock
Marine bivalve that bores into rock or clay or wood by means of saw-like shells.