Scavenger in intertidal and infralittoral sandy bottoms.
Original taxon: Nassa vaucheri.
Shell turriculate, with 1½ protoconch whorls, and 7 teleoconch whorls, « convex, separated from each other by a marked suture (the last one being slightly exceeding half of the total length), bearing 6 to 11 thin growth lines visible only under magnification, adorned with numerous longitudinal costae and filiform spiral cords (12 on the last whorl, 6 in the penultimate). » – P. Pallary: Exploration scientifique du Maroc organisée par la Société de Géographie de Paris et continuée par la Société des Sciences Naturelles du Maroc… fasc.II Malacologie, Rabat & Paris 1920, p.35.
Above and below: large adult found in nets, Armacão de Pêra, Algarve, S. Portugal. 16,6mm. Original pictures provided by A. Nappo (IT) – (CC BY-NC-SA).
« The longitudinal costae, a little flexuous, narrower than the interspaces, weaken near the canal in the last whorl, and divide into tubercles when they meet the cords. »
« Aperture ovate, angled posteriorly, round at the base; columella arcuate, hardly folded; tail-end rather developed, adorned with narrow decurrent plicae, not very notched rearward. Canal open, inclined, a little wide; columellar callus hardly visible; labrum thickened externally, bearing 9-10 denticles internally. Colour of the whorls bright yellow; labrum white; a red band, only visible in the interspaces between the costae, turns around the whorls above the suture up to the labrum. » – 20-30m deep, Málaga, Andalucia, S. Spain. 10mm.