original description
(of Helix dichrozona E. von Martens, 1885) Martens, E. von. (1885). Vorlegung einiger centralasiatische Landschnecken von Fergana. <em>Sitzungsberichte der Gesellschaft naturforschender Freunde zu Berlin.</em> 1885: 17-18 [17 February]., available online at https://www.biodiversitylibrary.org/page/7974147
page(s): 17 [details]
basis of record
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): 173, Fig. 95A [details] Available for editors [request]
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): 237, pl 25Г, fig. 112 [details]
From editor or global species database
Type locality "Turkestan, Ferghana" (nowadays in Uzbekistan) [details]