The Trochidae, common name top-snails or top-shells, are a family of various sized sea snails, marine gastropod molluscs in the subclass Vetigastropoda. This family is commonly known as the top-snails because in many species the shell resembles a toy spinning top.
Calliostomatidae is a family of sea snails within the superfamily Trochoidea and the clade Vetigastropoda.
A micromollusk is a shelled mollusk which is extremely small, even at full adult size. The word is usually, but not exclusively, applied to marine mollusks, although in addition, numerous species of land snails and freshwater mollusks also reach adult size at very small dimensions.
Bellastraea aurea, common name the golden small star, is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails.
Astele is a genus of sea snails, marine gastropod mollusks in the family Calliostomatidae.
Laetifautor is a genus of sea snails, marine gastropod mollusks in the family Calliostomatidae.
Astele allanae is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. It was named in honour of Joyce Allan.
Astele monile, common name the Australian necklace, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma yucatecanum, common name the depressed top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostomatinae is a subfamily of gastropods, belonging to the family Calliostomatidae.
Astele armillata is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Callistele calliston, common name the beautiful top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae.
Astele ciliaris, common name the keeled Australian top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Astele multigrana is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Astele rubiginosa is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Astele scitula is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Astele similaris is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Astele speciosa, common name the beautiful top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Astele stenomphala is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Astele subcarinata, common name the subcarinate top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
