Shell rather small, with eight whorls which vary from flattened to rounded, covered with longi-tudinal rounded ribs (from twelve to fifteen on the last whorl) and numerous revolving ribs, the whole being overlaid with revolving threads; outer lip varicose, toothed within; aperture somewhat elongated; canal slightly produced; columella wrinkled. Color brownish yellow with darker markings on the back of and between the ribs, with a narrow white band below the periphery. Length, 18; diameter, 10 mm.