Shell large, frequently rude or irregular, with the last whorl largest, covered with a thin, inconspicuous, more or less dehiscent periostracum; spire short, blunt, beginning with a relatively large, smooth, bulbous nucleus: sculpture variable, smooth, spirally striate, or with indistinct wave-like, axially directed prominences or even with feeble axial ribs; the aperture ample, the canal short, wide, hardly differentiated. Operculum short-ovate or rounded-quadrate, the nucleus at the right anterior corner. (Dall.)
TYPE. FUSUS largillierti Petit.
DISTRIBUTION. Boreal and Arctic; especially numerous in the Bering Sea region.