 The shell is of a reddish fawn color or varies from mauve to brown.It is covered with transverse furrows and shows many sharp, spiral lines.The spire is composed of seven or eight whorls, traversed by thick, noduled folds, somewhat oblique, and much less apparent upon the body whorl, which is encircled by one or two very apparent convex keels, which rarely exist upon the upper whorls.