Shell white, thin, and delicate, with six or more whorls, the nucleus eroded: spiral sculpture of fine striae with wider flat interspaces minutely cut into segments by close regular incremental lines, whorls subangulate at the shoulder; axial sculpture of sharp, sigmoid riblets (22 or more on the penultimate whorl) obsolete on the base and on most of the last whorl: anal sulcus wide, shallow: aperture simple, inner lip erased. Height of shell. 18.5 mm: of last whorl, 12.5 mm: diameter, 9 mm.

Arctic. Off the Pribilof Islands. Bering Sea.