« The shell is globular, extremely fragile, with the periostracum translucent and faintly rose-coloured. The surface is smooth with fine growth lines. The aperture is slightly longer than the length of the shell and the inner lip is opaque white. » – Álvarez, García & Villani: “A new Mediterranean species of Haminaea Leach, 1820”, Journal of Molluscan Studies 59(3), Oxford 1993, p.340.