Umbonium, sometimes known as the "button top shells", is a genus of sea snails, marine gastropod molluscs in the family Trochidae, the top snails.
Trochus is a genus of medium-sized to large, top-shaped sea snails with an operculum and a pearly inside to their shells, marine gastropod molluscs in the family Trochidae, the top snails.
Gibbula is a genus of small sea snails, marine gastropod molluscs in the subfamily Cantharidinae of the family Trochidae, the top snails.
Emarginula is a genus of small keyhole limpets, marine gastropod molluscs in the family Fissurellidae.
Solariella is a genus of small to minute sea snails, marine gastropod molluscs in the family Solariellidae within the superfamily Trochoidea, the top snails, turban snails and their allies.
Turbo is a genus of large sea snails with gills and an operculum, marine gastropod molluscs in the family Turbinidae, the turban snails.
Scissurella is a genus of minute sea snails, marine gastropod molluscs in the family Scissurellidae, the small slit snails.
Natica is a genus of small to medium-sized predatory sea snails, marine gastropods in the subfamily Naticinae of the family Naticidae, the moon snails. The genus was erected by Giovanni Antonio Scopoli in 1777.
Cantharidus, common name the kelp shells, is a genus of sea snails, marine gastropod molluscs of the family Trochidae, the top shells.
Daphnella is a genus of sea snails, marine gastropod mollusks in the family Raphitomidae.
Mangelia is a large genus of sea snails, marine gastropod mollusks in the family Mangeliidae.
Bela is a genus of sea snails; marine gastropod mollusks in the family Mangeliidae.
Calliotropis is a genus of sea snails, marine gastropod mollusks in the family Eucyclidae.
Leptothyra is a genus of sea snails, marine gastropod mollusks in the family Colloniidae.
Margarites is a genus of sea snails, marine gastropod mollusks in the family Margaritidae.
Minolia is a genus of sea snails, marine gastropod mollusks in the family Solariellidae.
Melanella is a genus of very small ectoparasitic sea snails, marine gastropod mollusks or micromollusks in the family Eulimidae.
Rissoina is a large genus of minute sea snails, marine gastropod mollusks or micromollusks, in the family Rissoinidae.
Eulima is a genus of small, ectoparasitic sea snails, marine gastropod mollusks in the family Eulimidae.
Conotalopia is a genus of sea snails, marine gastropod molluscs in the family Trochidae, the top shells.
