1. Acanthochitona fascicularis. Valves 1(head), 2 & 3. Valve granules: crowded, minute, circular, evenly distributed; except on dorsal keel: longitudinally arranged ridges and grooves. Apex of keel ‘V’ points to rear. July 2012. Split, Croatia.
2. Acanthochitona fascicularis. Valves 1(head), 2 & 3. Valve granules: crowded, minute, circular, evenly distributed; except on dorsal keel: longitudinally arranged ridges and grooves. Apex of keel ‘V’ points to rear. July 2012. Split, Croatia.

Acanthochitona fascicularis. Valves 1(head), 2 & 3. Valve granules: crowded, minute, circular, evenly distributed; except on dorsal keel: longitudinally arranged ridges and grooves. Apex of keel ‘V’ points to rear. July 2012. Split, Croatia.