Nassarius, common name nassa mud snails (USA) or dog whelks (UK), is a genus of minute to medium-sized sea snails, marine gastropod molluscs in the family Nassariidae. They are scavengers.
The Trochidae, common name top-snails or top-shells, are a taxonomic family of very small to large sea snails, marine gastropod molluscs in the clade Vetigastropoda.
Calliostomatidae is a family of sea snails within the superfamily Trochoidea and the clade Vetigastropoda.
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.
Chrysallida is a speciose genus of minute sea snails, pyramidellid gastropod mollusks or micromollusks in the family Pyramidellidae within the tribe Chrysallidini.
Ellobiidae, common name the hollow-shelled snails, is a family of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Eupulmonata. Ellobiidae is the only family in the superfamily Ellobioidea, according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
Ocenebra is a genus of predatory sea snails, marine gastropod mollusks in the family Muricidae, the murex and rock snails.
Phasianella, common name the pheasant shells, is a genus of small sea snails with a calcareous operculum and a colorfully patterned shell, a marine gastropod mollusc in the family Phasianellidae.
Steromphala pennanti is a species of small sea snail, a marine gastropod mollusc in the family Trochidae, the top snails.
Raphitoma is a genus of sea snails, marine gastropod mollusks in the family Raphitomidae.
Haedropleura is a genus of sea snails, marine gastropod mollusks in the family Horaiclavidae.
Skenea is a genus of small to minute sea snails, marine gastropod mollusks in the family Skeneidae.
Steromphala adriatica is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Steromphala nivosa, common name the Maltese top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Steromphala rarilineata is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Jujubinus is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.
Rissoa is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.
The Cantharidinae are a taxonomic subfamily of very small to large sea snails, marine gastropod molluscs in the family Trochidae, common name top snails.
Steromphala is a genus of sea snails, marine gastropod mollusks in the subfamily Cantharidinae of the family Trochidae, the top snails.
