Shell small, whitish, turreted, with about six whorls, the nucleus defective, the suture distinct, not appressed; spiral sculpture of a strong keel at the shoulder and on the base four or five feeble threads, the canal without spiral sculpture; axial sculpture of (on the last whorl about 18) rounded riblets retractive behind the keel, protractive in front of it, straight, forming a nodule at the intersection with the keel and with wider interspaces; aperture short and wide, simple, the anal sulcus coinciding with the end of the keel. Height, 11; diameter, 4 mm. (Dall.)
NOT FIGURED. TYPE in United States National Museum, No. 214192

USA. Off Tillamook, Oregon.