Shell solid, rotund, white, with an olivaceous polished periostracum, and with about six whorls; apex eroded, apparently blunt; sculpture of faint incremental lines and sparse zigzag obsolete ridges recalling those of Tritonofusus hypolispus Dall, but less distinct; whorls rather flattish, aperture ovate; outer lip slightly reflected, body with a thin layer of callus, pillar gyrate, not pervious, canal short, recurved. Operculum with a small subspiral nucleus. Length (eroded), 34; length of last whorl, 26; maximum diameter, 15 mm. (Dall.)
TYPE in United States National Museum. Type locality, Bering Sea, off Pribilof Islands, in 987 fathoms.
RANGE. Known only from type locality.