Shell large, slender, rather thin, with a distinct, almost constricted suture and more than five rounded whorls (the extreme apex defective) ; white or pinkish with a thin, dehiscent, pale straw-colored periostracum; axial sculpture on the apical whorls of a few, irregular, low plications, mostly with narrower interspaces; on the rest of the shell only irregular incremental rugosities; spiral sculpture on the last whorl behind the base of a half-dozen obscure low cords with wider interspaces; on the base these cords number about 15, becoming more regular and close anteriorly; the canal is still more finely and closely threaded; aperture elongate, outer lip thin, body and pillar erased; canal short and wide. Height of four whorls, 105; of last whorl, 75; diameter, 40 mm. (Dall.)
TYPE in United States National Museum, No. 206350. Type locality, Kodiak Island, Alaska.
RANGE. Kodiak Island to Cook's Inlet, Alaska.