Arion iratii

Arion iratii, is a large terrestrial gastropod mollusk in the family Arionidae, the round back slugs.^[1]

This species occurs in northern Spain and Wales, Great Britain.

• Garrido, C., Castillejo, J. & Iglesisas, J. (1995). The Arion subfuscus complex in the eastern part of the Iberian Peninsula, with redescription of Arion subfuscus (Draparnaud 1805) (Gastropoda: Pulmonata: Arionidae). Archiv für Molluskenkunde, 124 (1/2): 103–118. Frankfurt am Main.
• Bank, R. A.; Neubert, E. (2017). Checklist of the land and freshwater Gastropoda of Europe. Last update: July 16th, 2017.

• Quinteiro, Javier, et al. "Phylogeny of slug species of the genus Arion: evidence of monophyly of Iberian endemics and of the existence of relict species in Pyrenean refuges." Journal of Zoological Systematics and Evolutionary Research 43.2 (2005): 139-148.