« Shell coiled, subpellucid, shiny, truncated at the top, of a regular cylindrical shape, a little narrowed at its middle part. Spire composed of three whorls, the first of which is globular and protrudes from the top of the shell. Suture deep. Sculpture composed of decurrent striations, punctuated and extremely fine, which are seen only under a rather high magnification. Aperture narrow, almost linear at the top, dilated and pyriform at the base. Labrum slightly flexuous towards the middle. Columellar margin almost straight; columella a little thickened, arched, without apparent fold. Colour of a hyaline white. » – Bucquoy, Dautzenberg & Dollfus: Les mollusques marins du Roussillon vol. I, Paris 1882-1886, p.533.