Arion atripunctatus, is a large terrestrial gastropod mollusk in the family Arionidae, the round back slugs.
The taxonomic status of Arion atripunctatus is still doubtful.Jordaens, Kurt, et al. "Arion transsylvanus (Mollusca, Pulmonata, Arionidae): rediscovery of a cryptic species." Zoologica Scripta 39.4 (2010): 343-362. Its anatomy is still unknown.Welter-Schultes, Francisco, C. Audibert, and A. Bertrand. "Liste des mollusques terrestres et dulcicoles de France continentale (excl. hydrobioïdes)." Folia conchyliologica 12 (2011): 4-44.
Distribution This species occurs in moderate altitudes around 1000 m in the western Alps.
References
Dumont, F. & Mortillet, G. de (1852-1855). Histoire des Mollusques terrestres et d'eau douce, vivants et fossiles, de la Savoie et du bassin du Léman. Bulletin de la Société d'Histoire Naturelle de Savoie, 3: 14-142 (1852); 4: 1-78 (1853); 5: 81-152 (1854), 239-248 (1855). Bank, R. A.; Neubert, E. (2017). Checklist of the land and freshwater Gastropoda of Europe. Last update: July 16, 2017