Shell very small, subulate, solid. Sculpture consisting of 2 broadly rounded cinguli, the last 2 whorls with a narrow thread margining the suture, and 2 additional narrow and smooth keels on the body-whorl bounding the smooth base ; axial sculpture formed by straight, equidistant, and rather broad riblets, about 20 on the last whorl ; crossing-points produced into rounded gemmules. Colour white. Spire elevated conic, much higher than the aperture ; outlines faintly convex. Protoconch papillate, the nucleus globular, of 1,5 smooth and polished whorls. Whorls about 8, regularly increasing, the upper ones somewhat convex, the others flatfish ; base slightly concave. Suture impressed, margined on the last whorls. Aperture subquadrangular. produced into a short and open canal, not notched at its base. Outer lip nodulous on the outside. Basal lip sinuate. Columella sub-vertical, straight, truncated below by the oblique upper margin of the canal. Operculum unknown. Diameter, 1 mm. ; height, 2,7 mm.
Hab.—Snares, in 50 fathoms (Captain Bollons).