Turbinidae, the turban snails, are a family of small to large marine gastropod molluscs in the superfamily Trochoidea.
Calliostomatidae is a family of sea snails within the superfamily Trochoidea and the clade Vetigastropoda.
Ovulidae, common names the ovulids, cowry allies or false cowries, is a family of small to large predatory or parasitic sea snails, marine gastropod molluscs in the superfamily Cypraeoidea, the cowries and the cowry allies.
The Nassariidae, Nassa mud snails (USA), or dog whelks (UK), are a taxonomic family of small to medium-sized sea snails, marine gastropod mollusks in the clade Neogastropoda.
Trochoidea is a superfamily of small to very large vetigastropod sea snails with gills and an operculum. Species within this superfamily have nacre as the inner shell layer. The families within this superfamily include the Trochidae, the top snails. This superfamily is the largest vetigastropodan superfamily, containing more than 2,000 species.
The Columbellidae, the dove snails or dove shells, are a family of minute to small sea snails, marine gastropod mollusks in the order Neogastropoda.
Trochaclididae, common name the false top snails, is a family of sea snails, marine gastropod mollusks in the clade Vetigastropoda.
Cylichnidae, common name the "chalice bubble snails" or "canoe bubble snails" is a family of sea snails or bubble snails, marine gastropod mollusks in the superfamily Cylichnoidea.
The Rhytidoidea are a superfamily of air-breathing land snails and slugs, terrestrial gastropod mollusks in the suborder Helicina.
Oxynooidea is a superfamily of small sea snails, bubble snails and bivalved gastropods, marine gastropod mollusks within the superorder Sacoglossa.
Hygrophila is a taxonomic superorder of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks within the clade Panpulmonata.
Colloniidae is a family of small sea snails with calcareous opercula, marine gastropod mollusks in the clade Vetigastropoda.
Volvarina hyalina is a species of sea snail, a marine gastropod mollusk in the family Marginellidae, the margin snails.
Enixotrophon sansibaricus is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.
Enixotrophon siberutensis is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.
Callumbonella is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.
Rissoella is a genus of minute sea snails, marine gastropods, in the family Rissoellidae.
Moerchia is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.
Nanula is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.
Pagodulinidae is a family of gastropods belonging to the superfamily Pupilloidea.
