The shell of this species differs from that of hybrida by its winged extensions. – Above and below: 1m deep, Sidi Fredj, western coast of Chergui, Kerkennah islands. 15mm.

This is the only mediterranean member of the genus to bear such a stellate radial sculpture. Notice the well marked subsutural ramp. – Specimen slightly subadult.

Primary and secondary spiral cords crossed by ten radial folds separated from each other by numerous tiny micro-radials. On each whorl, the intersections between the adapical primary spiral and the radial folds project the most spiny extensions.

It has been shown that Ocenebra carmelae (Cecalupo, Buzzurro & Mariani, 2008) was a dark morphotype of piantonii (cf. Barco & al., 2013). Same spot. 10,3mm. Original pictures provided by A. Nappo (IT) – (CC BY-NC-SA).