A heavy shell with a straight-sided spire and an inflated body whorl. A thick columellar callus begins at the lower end of the penultimate whorl and eventually joins the siphonal canal. The aperture narrows above and below. Seen from the rear, the outer lip has a well-defined rim extending to the base of the siphonal canal; its lower half has five or six short, blunt points, below which is a shallow stromboid notch. Pale brown color, with white aperture and columellar callus.