Shell with loose and less regular sculpture, white, the nucleus defective, with about six shouldered whorls; suture distinct, anal fasciole obscure, undulated by the ends of the ribs, spirally striated; axial sculpture of (on the last whorl 14 or 15) rounded ribs with wider interspaces, prominent at the shoulder, crossing the whorls at the spire, obsolete on the base; spiral sculpture of numerous narrow channeled grooves with wider flattish interspaces, not nodulating the summits of the ribs; on the spire the interspaces are more cord like, six or seven between the shoulder and the succeeding suture; aperture simple, inner lip erased, canal short, straight. Height of shell, 10.5 mm: Height of last whorl. 7mm; diameter, 4.5 mm.

North-east Pacific. Aleutian Islands to Puget Sound.