« Shell […] minute, solid, subcylindrical. Colour whitish, shiny, opaque. Protoconch […] obtuse, of type C, proportionally wide, with a diameter of about 200µm. Teleoconch: spire not very elevated (h=50% H), with 4 planoconvex whorls, whose convexity is located in the lower third of each whorl; last whorl almost rounded at the periphery. Suture shallow. Axial sculpture made up of about 24 well marked but not strong ribs, round in section, slightly opisthocline, flexuous, wider than their interspaces, and vanishing at the periphery of the last whorl while the interspace quickly disappear. Base smooth, except for growth lines. Spiral sculpture weak, appearing only in the interspaces, in the form of 1-2 decurrent cords per whorl, located above the suture, and of 3 cords on the last whorl, the lower one located at the periphery. Aperture pyriform; columella arched, with a columellar tooth situated somewhat inside the aperture, but visible. Labrum not thickened. » – Peñas & Rolán: “Segunda adición a la fauna malacológica del litoral de Garraf (NE de la Península Ibérica)”, Iberus vol. 26(2), Barcelona 2008, p.31.