Shell minute, conical, narrowly perforate, thin, semi-transparent white. Spire about 1 2/3 height of aperture. Whorls 5,5, including a small low convex protoconch of 1,5 whorls. Aperture comparatively small, squarish. Peristome sharp, discontinuous. Columella arcuate, slightly expanded and reflexed below, but excavated in the vicinity of the umbilicus, which is very small but deep. Outline of whorls lightly convex, surface smooth except for moderately strong oblique axial growth lines. Suture false-margined.
Height 1,4 mm.; diameter 1,0 mm. (Holotype).

Habitat: Off Three Kings Islands, St. 933, 260 m.