The Cassidae are a taxonomic family of medium-sized, large, and sometimes very large sea snails commonly called helmet snails or bonnet snails. These are marine gastropod mollusks in the superfamily Tonnoidea and the clade Littorinimorpha.
Cancellariidae, common name the nutmeg snails or nutmeg shells, are a family of small to medium-large sea snails, marine gastropod mollusks in the clade Neogastropoda. Some of the shells of the species in this family resemble a nutmeg seed.
Bolma is a genus of medium to large sea snails with a calcareous operculum, marine gastropod molluscs in the family Turbinidae, the turban snails.
Sassia is a genus of sea snails, marine gastropod molluscs in the family Cymatiidae.
Plesiotriton mirabilis is a species of sea snail, a marine gastropod mollusk in the family Cancellariidae, the nutmeg snails.
Plesiotriton vivus is a species of sea snail, a marine gastropod mollusk in the family Cancellariidae, the nutmeg snails.
Tritonoharpa boucheti is a species of sea snail, a marine gastropod mollusk in the family Cancellariidae, the nutmeg snails.
Africotriton is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.
Iphinopsis is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.
Loxotaphrus is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.
Neadmete is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.
Trigonaphera is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.
Tritonoharpa is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.
Zeadmete is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.
Cumia is a genus of sea snails, marine gastropod mollusks in the family Colubrariidae.
Guildfordia is a genus of sea snails, marine gastropod mollusks in the family Turbinidae, the turban snails.
Brocchinia is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.
Metula is a genus of sea snails, marine gastropod molluscs in the family Colubrariidae.
Galeodea is a genus of large sea snails, marine gastropod mollusks in the subfamily Cassinae of the family Cassidae.
Timbellus is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.
