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.
Calliostomatidae is a family of sea snails within the superfamily Trochoidea and the clade Vetigastropoda.
Otukaia is a genus of medium-sized sea snails, marine gastropod molluscs in the family Calliostomatidae, the top shells. Otukaia has long been considered a subgenus of Calliostoma and is still treated as such by many authorities.
Calliostoma amamiense is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma babelicum is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma filiareginae is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma iwamotoi is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma katoi is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma kurodai is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma nakamigawai is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma otukai is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma sakashitai is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma shinagawaense is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma sugitanii is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma uranipponense is a species of sea snail, a marine gastropod mollusc in the family Calliostomatidae.
Otukaia ikukoae is a deepwater sea snail, a marine gastropod mollusc in the family Calliostomatidae, the calliostoma top snails.
Calliostoma hayamanum is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma tsuchiyai is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Tristichotrochus is a genus of sea snails, marine gastropod mollusks, in the family Calliostomatidae within the superfamily Trochoidea, the top snails, turban snails and their allies.
