Mollusks

Bilateral symmetry, a toothed tongue, muscular foot, mantle, internal or external shell, coelom(a fluid-filled cavity), sensory and motor organs, one/two shells, soft body, most have hard shells, live in water or on land.

Characteristics classes of the Mollusks

- Cephalopod

- Bivalvia

- Gastropoda

- Polyplacophora