A conch (Strombus gigas).

Conch Shell

A conch (Strombus gigas).

A genus of mollusks which are extensively used for food.

Concolepas

A genus of mollusks which are extensively used for food.

The cone shells are numerous and beautiful found in southern and tropical seas.

Cone Shell

The cone shells are numerous and beautiful found in southern and tropical seas.

A shell reversed in its spiral.

Reverse Shell

A shell reversed in its spiral.