« Colour: reddish-brown often quite dark but sometimes whitish with light red-brown spots. Ornamentation: each whorl is crossed by two or three strong coastae connected by oblique spans oriented in the manner of growth streaks. This ornamentation continues on the underside. Umbilicus: relatively narrow and deep. General shape: rather low, whorls moderately swollen, suture canaliculated. » – J. M. Gaillard: “Révision des espèces des côtes de France du genre Gibbula Risso (Mollusque Prosobranche)”, Bulletin du Muséum national d’histoire naturelle ser.2, t.25, Paris 1953, p.592.