Shell small, white, with a pale olivaceous periostracum, and more than four whorls, the apex always eroded, the suture distinct, the whorl in front of the suture as far as the shoulder flattish; shoulder of the whorl strongly marked, angular, coronated by the ends of (on the penultimate whorl about 25) straight, protractively oblique narrow ribs with unequal interspaces, becoming obsolete on the base of the last whorl; incremental lines more or less distinct but not regular; spiral sculpture of one or two feeble impressed lines on the whorl above the shoulder, and three or four widely spaced threads on the base; though the region of the canal is free from spiral sculpture; aperture narrow, anal sulcus wide and shallow, outer lip produced, thin, body and pillar erased, canal rather short, axis pervious. Height of four whorls, 11; of last whorl, 7; diameter, 5 mm. (Dall.) NOT FIGURED.
TYPE in United States National Museum, No. 214243

Type locality, Station off Tillamook, Oregon, in 786 fathoms.
RANGE. Off Tillamook, Oregon.