Shell small, solid, smooth, quadrate in shape, spire whorls shouldered. Aperture oblong, columella enameled, outer lip thickened, with a short blunt projection at the posterior end, shallow stromboid notch, siphonal canal short and slightly recurved, columella and aperture lirate. Sculptured with rounded, blunt axial ribs becoming heavy knobs, three to four at the shoulder on the dorsal side of the body whorl, faint spiral cords on base and near the lip. Colour cream mottled and spotted in light or dark browns in axial streaks and often a few spiral bands on the body whorl, columella and outer lip white or pink.