Faroe & British Isles to Angola, to central Mediterranean. Predator on seashells in the lower infralittoral down to the continental shelf and slope, on soft bottoms. Original taxon: Natica fusca. – Neotype MNHN-IM-2000-5166 in the Museum National d’Histoire Naturelle (Paris): 200-210m deep, off Dugi Otok island, Zadar archipelago, Croatia. 25mm. Original pics provided by M. Caballer for the MNHN – (CC BY).

Shell protected by a shiny periostracum. Colour light brown, paler around the umbilicus, more marked between the periphery and the suture. The surface is covered with growth striae; some repaired scars can also be present. Umbilicus open, radially striated; a dark parietal callus partially covers the umbilicus in the adapical part of the columellar side.