Observations on the taxonomy and range of Hesperarion Simroth, 1891 and the evidence for genital polymorphism in Ariolimax Mörch, 1860 (Gastropoda: Pulmonata: Arionidae: Ariolimacinae)

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith