Shell large, relatively thin, with a very short spire and large body whorl, usually sinistral but with rare dextral individuals; nucleus very large, smooth, flat-topped, infolded with an apical dimple, subsequently spirally sculptured, with obscure axial folds; periostracum thin, dehiscent; aperture ample, the outer lip expanded and thickened, the body and pillar enameled, often brightly colored; the canal very short, shallow and wide, hardly incurved, and with no evident siphonal fasciole; operculum much smaller than the aperture, rounded-quadrate with apical nucleus: radula, chrysodomoid but rather irregular, the rhachidian tooth in the typical species tricuspid; the laterals with two large terminal cups, the median cusp of the central tooth variable. (Dall.)
TYPE. Fusinus deformis Reeve.
DISTRIBUTION. North Pacific, Arctic, North Atlantic.