Shell thin, fragile, acute, whitish, with about six whorls, the nuclear whorl eroded; suture distinct, whorls evenly rounded; spiral sculpture of fine, even, equal, close-set, minute threads covering the whole surface; axial sculpture of almost microscopic, even, regular incremental lines, and on the third whorl about 16 small sharp ribs crossing the whorl, with wider interspaces and becoming obsolete on the fourth whorl; anal sulcus shallow, aperture simple, inner lip erased, pillar attenuated in front, canal short, straight. Height of shell, 15; of last whorl, 11; diameter, 6 mm. (Dall.)

Type locality, Chernoffski Harbor, Unalaska Island, Alaska, in 109 fathoms.
RANGE. Known only from type locality.