Ohne Titel

MOLLUSKS

CLASS BIVALVIA

CLASS CEPHALOPODA

CLASS GATROPODA

Means "head foot" . They have the head and foot combined into a single structures.

Are group of aquatic mollusks than includes clams, oysters,mussels, and similar species.

Is designed tocrawl along on its stomach; because of this, gastropods were given their name, which means " stomack foot"