original description
Martinson, G. G. (1982). Pozdnemelovyye mollyuski Mongolii: sistematika, stratigrafiya, tafonomiya [Late Cretaceous mollusks of Mongolia: taxonomy, stratigraphy, taphonomy]. <em>Trudy Sovmestnaya Sovetsko-Mongol'skaya Paleontologicheskaya Ekspeditsiya.</em> 17: 1-82., available online at https://www.geokniga.org/books/10159
page(s): 70, pl. 16, figs 17, 18 [details] Available for editors [request]
From editor or global species database
Type locality "Yugo-Vostochnaya Mongoliya, rayon Bayshin-Tsav, Bagmot-Khuduk; maastrikht, nemegetinskaya svita" [Southeast Mongolia, Baishin-Tsav region, Bagmot-Khuduk; Maastrichtian, Nemegetin Formation] [details]