Deroceras (Deroceras) parnasium Wiktor, 1984
Size:
Up to 28 x 5 mm, mantle length 10 mm.
Distribution:
Greece: Parnasós mountains (Central Greece), Pilio mountains (Thessalia), Palaia Kavala (Makedonia) and Andikíthira.
Greece: Parnasos mountains, Arachova, 1000-1200 m.