Arion wiktori, is a large terrestrial gastropod mollusk in the family Arionidae, the round back slugs.
Distribution This species occurs in Spain.
References
Parejo, C. & Martín, R. (1990). Arion wiktori sp. n. from the Iberian Peninsula (Gastropoda, Pulmonata: Arionidae). Malakologische Abhandlungen Staatliches Museum für Tierkunde in Dresden, 15 (3): 25-35. Dresden