<em>Calliostoma granulatum</em> (Born, 1778)
Occurs from the south of the British Isles to the Azores and into the Mediterranean.
Lives subtidally on gravel or soft bottoms.
- Conical shell with slightly concave sides and a pointed apex
- Breadth approximately equal to height
- Shell has spiral ridges which are beaded but not reticulated
Conical shell up to 35mm in height with 7 to 9 whorls. Colour is pale yellow marked with red brown spots or streaks. The shell is sculptured with spiral ridges raised into promient granular points. These major ridges are interspersed with smaller ones which are smooth. The animal has three pairs of epipodial tentacles.