Small shell, thick, hill-shaped,flattened base, adjacent to the columellar callus. Sculptured with spiral rows of white nodules, on each spiral whorl, two rows on the body whorl; additional spiral cords present in the interspaces.Colour: bluish-grey with white nodules; smooth brown columella, aperture dark reddish-brown with a narrow yellowish-white band at the base of the columella.