Shell whitish, short, stout, with rather coarse sculpture and very short spire, whorls about five, the last much the largest; whorls inflated, suture deep, almost channeled, sculpture of numerous (on the last whorl about two to the millimeter) narrow, backwardly convex, flexuous riblets with about equal interspaces, strongest near the suture, not crossing the fas-ciole and obsolete near the periphery; lines of growth distinct, crossed by numerous (about six to the millimeter) rather coarse threads, of which each alternate one tends to be smaller, separated by narrow grooves and about uniformly distributed over the surface, with a tendency to a faint carina in front of the indistinct fasciole; outer lip sharp, columella simple, white; aperture pinkish, canal short, wide; nuclear whorls eroded in the specimens; operculum light horn color, rather broad and short. Long, of shell, 11.5; of last whorl, 10; max. lat. of shell, 8.5 mm. (Dall.)
TYPE in United States National Museum, No. 40960.

Type locality, Cape Smythe, Arctic.
RANGE. Point Barrow, Arctic Ocean, to Pribilof Islands, Bering Sea.