Shell very small, acicular, rather solid. Sculpture consisting of 3 equidistant cinguli, the uppermost very thin and close to the suture, which is margined above by a fine thread ; the last whorl with a fourth spiral ridge emerging from the suture ; the spiral sculpture crossed by slightly oblique axial riblets, also equidistant and of the same width as the interstices, about 15 on the last whorl; the points of intersection raised into round gemmules ; the axial sculpture is less prominent than the spiral. Colour white. Spire high and narrowly conical, much higher than the aperture ; outlines almost straight. Protoconch polygyrate, cylindro-conical, of 4 slowly increasing, strongly convex, and smooth whorls. Whorls about 10, convex ; base slightly concave. Suture deeply impressed. Aperture subquadrangular, vertical, with a short and widely open canal. Outer lip sinuated by spiral sculpture. Columella vertical, slightly sinuate, pointed at the base. Operculum unknown.
Diameter, 1,1 mm. ; height. 3,5 mm.
Animal unknown.
Type in my collection.
Hob.—Port Pegasus, Stewart Island, in 18 fathoms (Captain Bollons).