Naticidae

Naticidae, common namemoon snails or necklace shells, is a family of medium to large-sized predatorysea snails, marinegastropodmolluscs in the cladeLittorinimorpha. The shells of the species in this family are mostly globular in shape.

Naticidae is the only family in the superfamily Naticoidea.

It has been estimated that worldwide there are about 260–270 recentspecies of naticid snails. This group is assumed to have originated in the late Triassic or in the early Jurassic. Members of this family can be recognized by the shape of their shells, distinct appearance, or by their predatory behaviour.