Kimakowicz, R. von (1931). "Alopia-Sammelreise 1930". Archiv für Molluskenkunde. 63: 40.
Bank, R. A.; Neubert, E. (2017). Checklist of the land and freshwater Gastropoda of Europe. Last update: July 16th, 2017.{{cite book}}: CS1 maint: multiple names: authors list (link)