Shell small, turbinate, subperforate, rufous, thin. Sculpture consisting of thin, close, membranaceous, white, slightly waved radiate plaits, often produced below the suture, about 11 or 12 per millimetre on the last whorl; interstices with numerous fine but distinct spiral striae. Colour rufous, with a pale band on the periphery, or horny with a brown peripheral band. Epidermis thin, horny. Spire conical, apex rather blunt, higher than the aperture. Protoconch papillate, of 2 very convex, smooth whorls, the second with a few radiate strife. A magnifying - power of about 100 reveals faint spiral striation. Whorls 6, first regularly and slowly, the last rapidly increasing; base convex. Suture impressed. Aperture oblique, subcircular. Peristome simple, straight, strengthened inside by a narrow callosity ; notch at the suture slight but distinct. Columella arcuate, with a white cal¬losity inside, which extends over the body, uniting the converging margins. Umbilicus narrow, pervious, partly covered by the slight columellar expansion. Operculum unknown. Diameter, 2,5 mm. ; height, 2 mm.
New Zealand: Near Manaia, Waimate Plains, North Island (R. Murdoch).