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.
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 galea 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 margaritissimum is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma opalinum is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma problematicum 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 simodense is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma soyoae, common name Soyo's top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma takaseanum is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma takujii is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
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.
