Clanculus is a genus of sea snail, marine gastropod molluscs of the family Trochidae, the top shells.

Fossils found in Italy date from the Pliocene (C. corallinus, C. elevatus, C. bonfittoi, C. jussieui)[3] The distribution of this genus is worldwide, individuals of some species sometimes occur in great numbers, from the intertidal zone up to depths of 200 m. Many species can be found in Australia, New Zealand, the Indo-Pacific, Philippines, Sri Lanka, Seychelles, Japan, South Africa, Zanzibar, Indian Ocean, the Red Sea, West Africa, Angola, North Africa and Europe.

Their spirally ribbed sculpture consists of conspicuous regular rows of robust, round beads.

The aperture of the shell is oval, with a strongly ridged lip.

The color of the shell varies between orange, dark red, and chocolate brown.