original description
Held, F. (1837-1838). Notizen über die Weichthiere Bayerns. Isis (Oken), 30 (4): 303-309 (1837); 30 (12): 901-919 (1838). Leipzig., available online at https://biodiversitylibrary.org/page/27411580
page(s): 917 [details]
basis of record
Schileyko, A. A. (1998). Treatise on Recent terrestrial pulmonate molluscs. Part 2. Gastrocoptidae, Hypselostomatidae, Vertiginidae, Truncatellinidae, Pachnodidae, Enidae, Sagdidae. <em>Ruthenica.</em> Supplement 2: 129-261. Moskva [November].
page(s): 214 [details]
additional source
Schileyko, A. A. & Rymzhanov, T. S. (2013). Fauna of land mollusks (Gastropoda, Pulmonata Terrestria) of Kazakhstan and adjacent territories. <em>Moscow-Almaty: KMK Scientific Press.</em> 389 pp., available online at http://ashipunov.info/shipunov/school/books/shilejko2013_fauna_nazemn_moll_kz.djvu
page(s): 144 [details]
From editor or global species database