Shell acicular, pale yellow, vitreous, with numerous flat whorls. Sculpture consists of 3 faintly jewelled spirals to each whorl except the last, which has 4. Colour of dead shell pale yellow. Spire long and subulate, much higher than the aperture ; outlines straight. Protoconch with 3 whorls, the first smooth and oblique, the 2 succeeding first radially finely ribbed, then cancellated by spiral striations ; the apex diminishes in diameter with the beginning of the definite sculpture. Whorls 20, flat ; base flat, concave at the base of the canal. Suture scarcely marked. Aperture quadrangular, canal sharply turned to the left. Columella white, twisted. Operculum unknown.
Diameter, 2 mm. ; height, 9 mm.
Animal unknown.
Type in the Dominion Museum, Wellington.
Hab.—OR Great Barrier Island, in 110 fathoms (type) ; Hauraki Gulf, near Channel Island, in 25 fathoms.