The mussel, a bivalve, has two valves, or shells.
There is no such thing as a pool animal.
mollucs are animal with slimy bodies and shells
a clam
They are made an animal that lives in the sea.
shells, skins, cocoa beans, animals, and animal skins
limestone
Animal Horn or conche Shells
Reptiles
Plant and animal waste, shells and skeletons
they hide in their shells
Armadillos and turtles have thick shells.