Calliostoma is a genus of small to medium-sized sea snails with gills and an operculum, marine gastropod molluscs within the family Calliostomatidae, the Calliostoma top snails. Previously this genus was placed within the family Trochidae. Calliostoma is the type genus of the family Calliostomatidae.
Neritidae, common name the nerites, is a taxonomic family of small to medium-sized saltwater and freshwater snails which have a gill and a distinctive operculum.
Volema is a genus of sea snails, marine gastropod molluscs in the family Melongenidae, the crown conches and their allies.
Axelella is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.
Bonellitia is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.
Dolicholatirus is a genus of sea snails, marine gastropod mollusks in the subfamily Peristerniinae of the family Fasciolariidae, the spindle snails, the tulip snails and their allies.
Granulifusus is a genus of sea snails, marine gastropod mollusks in the subfamily Fusininae of the family Fasciolariidae, the spindle snails, the tulip snails and their allies.
Drupella is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.
Eupleura is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.
Plicopurpura is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.
Pradoxa is a genus of sea snails, marine gastropod mollusks in the subfamily Muricopsinae of the family Muricidae, the murex snails or rock snails.
Pterochelus is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.
Purpurellus is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.
Trachypollia is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.
Typhis is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.
Vaughtia is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.
Vitularia is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.
Kanekotrochus is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.
Sigatica is a genus of predatory sea snails, marine gastropod mollusks in the family Naticidae, the moon snails.
Cymatiella is a genus of predatory sea snails, marine gastropod mollusks in the family Cymatiidae.
