original description
Middendorff A.Th. von. (1850). Beschreibung einiger Mollusken-Arten, nebsteinem Blicke auf der geographischen Character der Land- und Susswasser-Mollusken Nord-Asiens. <em>Bulletin de la Classe Physico-Mathématique de l'Académie Impériale des Sciences de Saint-Pétersbourg.</em> 9(3): 108-112. [issued December 16, 1850]., available online at https://www.biodiversitylibrary.org/page/45980324
page(s): 108 [details]
source of synonymy
Gulbin, V. V.; Chaban, E. M. (2012). Annotated list of shell-bearing gastropods
of Commander Islands. <em>Part I. The Bulletin of the Russian Far East Malacological Society</i.</em> 15-16: 5-30. [In Russian]., available online at http://rfems.dvo.ru/images/rfems/bulletin/vol_015_016/article_01.pdf [details] Available for editors [request]
From editor or global species database
Type locality Russia, Kamchatka Peninsula, at its southern tip (Lopatka) [details]