Shell slender, acute, blackish brown with the anterior part of the last whorl pale reddish brown; with a conspicuous periostracum; with a closely appressed suture separated by a single cord from the constricted anal fasciole; whorls nine, without the (lost) nucleus; axial sculpture of (on the last whorl eight) prominent angular ribs with wider interspaces, beginning abruptly at the shoulder rapidly dwindling anteriorly and obsolete on the base: these ribs are crossed by (on the last whorl about 14) widely spaced slender cords, slightly nodulous at the intersections; aperture narrow, anal sulcus shallow, outer lip sharp, simple, a slight subsutural callus, the inner lip erased, the pillar straight, the canal wide and very slightly recurved. Height of shell. 38 mm; Height of last whorl. 22 mm; diameter 11 mm.

Mexico. Lower California