Shell with seven, fully rounded whorls, deep suture, and hirsute epidermis; sculpture of numerous narrow flattened primary ridges with subequal channeled interspaces; aperture not expanded but with a wide deep sinus near the shoulder. Color white. Length, 42; breadth, 27 mm. (Dall.)
TYPE in United States National Museum. Type locality, U.S.S. "Albatross" Station 3170, off Guadelupe Island, Lower California, in 167 fathoms.
RANGE. Straits of Juan de Fuca, in 178 fathoms, to San Diego, California, in 822 fathoms, to Guadelupe Island, Lower California.