Calliostomatidae is a family of sea snails within the superfamily Trochoidea and the clade Vetigastropoda.
Cellana is a genus of sea snails or limpets, marine gastropod molluscs in the family Nacellidae, the true limpets.
Nacella is a southern, cold-water genus of true limpets, marine gastropod molluscs in the family Nacellidae, the true limpets.
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.
Comitas is a genus of medium-sized sea snails, marine gastropod molluscs in the family Pseudomelatomidae.
Lissotesta is a genus of minute sea snails or micromolluscs, marine gastropod molluscs, unassigned in the superfamily Seguenzioidea.
Volutomitra is a genus of sea snails, marine gastropod molluscs in the family Volutomitridae, the mitres, with global distribution.
Bittium is a genus of very small sea snails, marine gastropod molluscs in the family Cerithiidae, the horn snails.
Cantharidus, common name the kelp shells, is a genus of sea snails, marine gastropod molluscs of the family Trochidae, the top shells.
Micrelenchus purpureus, common name the red opal top shell, is a species of medium-sized sea snail, a marine gastropod mollusc in the family Trochidae.
Cantharidus antipoda puysegurensis is a subspecies of marine gastropod mollusc in the family Trochidae, the top shells.
Patella is a genus of sea snails with gills, typical true limpets, marine gastropod mollusks in the family Patellidae, the true limpets.
Cerithidea is a genus of medium-sized sea snails or mud snails, marine gastropod mollusks in the family Potamididae, the horn snails.
Photinula is a genus of sea snails, marine gastropod mollusks in the family Calliostomatidae.
Margarella whiteana is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae, the top snails.
Toledonia is a genus of sea snails, marine gastropod molluscs in the family Cylichnidae.
Margarella violacea is a species of small sea snail, a marine gastropod mollusk in the family Calliostomatidae, the top snails.
Cantharidus antipodum is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Cantharidus turneri is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Antarctospira is a genus of sea snails, marine gastropod mollusks in the family Borsoniidae.
