Mitrella psilla (Duclos, 1846) Specimens live collected in june 2008 on a rocky pier at La Goulette, Tunisia. Size 5.4 mm (adults) and 2.2 mm (juveniles).
Details in Antit M., Gofas S. & Azzouna A. (in press), A gastropod from the tropical Atlantic becomes an established alien in the Mediterranean. Biological Invasions online advance publication, DOI 10.1007/s10530-009-9532-2