Shell small, elongate, many-whorled, with a bulbose apex, rather solid. Sculpture : The first 1,5 whorls smooth, the following volutions with 3 narrow and rather sharp spiral keels, the upper 2 closer together, last whorl with 5 keels, the lowest of which is upon the base ; interstices having fine, dense, straight growth-lines, sometimes oblique near the suture. Colour white. Spire much higher than the aperture outlines straight. Protoconch globular, of 11 smooth whorls, the first bulbose, of greater diameter than the next few whorls. Whorls about 14, slowly and regularly increasing, flat ; base slightly concave. Suture very little impressed. Aperture subquadrangular, produced below into a short and open canal. Outer lip sinuated on the outside. Lower lip horizontal, slightly ascending toward the canal. Columella short, nearly straight, bent over, and ending in a point below ; parietal wall lightly excavated. Operculum unknown.
[Suter, 1913]

Diameter, 3 mm. ; height, about 13 mm.

New Zealand. Snares. 50 fathoms deep.