The Collaborative International Dictionary
Wikipedia
Cerithium
Cerithium is a genus of small to medium-sized sea snails, marine gastropod mollusks in the family Cerithiidae, the ceriths.
Usage examples of "cerithium".
Turritellae, Spindle-shells, Cerithia, as well as in the shells with flattened cones, Trochidae, Turbines.