Size: Up to 15mm high; 5mm broad Shape: Relatively tall shell with the last whorl making up about 60-65% of the total shell height. Has a short but wide siphonal canal and well defined anal sinus. Colour: Generally yellowish, brown or whitish often with darker spiral bands. Sculpture: Possesses costae (7-10 on most whorls) and spiral ridges (80 on the last whorl) which often appear slightly beaded. Animal: White with opaque white markings and some pink on the siphon. There are two cephalic tentacles with an eye close to the end of each. No operculum on foot.
Lives on soft bottoms from 25-50m.
Locally common. Found off western coasts as far north as the Hebrides.