basis of record
Bank, R. A.; Neubert, E. (2017). Checklist of the land and freshwater Gastropoda of Europe. Last update: July 16th, 2017. [details]
additional source
Kerney, M. P., Cameron, R. A. D. & Jungbluth, J.-H. (1983). Die Landschnecken Nord- und Mitteleuropas. Ein Bestimmungsbuch für Biologen und Naturfreunde. <em>Verlag Paul Parey.</em> 384 pp., 24 plates. [Summer or later]. Hamburg / Berlin (Paul Parey).
page(s): 155 [details] Available for editors [request]
additional source
Sysoev, A. V. & Schileyko, A. A. (2009). Land snails and slugs of Russia and adjacent countries. <em>Sofia/Moskva (Pensoft).</em> 312 pp., 142 plates. [June] [= Pensoft Series Faunistica No 87].
page(s): 138, Fig. 72B, c [details] Available for editors [request]
From editor or global species database