original description
Bartsch, P. & Morrison, J. P. E. (1942). Part 3 - The cyclophorid mollusks of the mainland of America. In: Torre, C. de la; Bartsch, P.; Morrison, J. P. E. The cyclophorid operculate land mollusks of America. <em>United States National Museum Bulletin.</em> 181: 142-293., available online at https://www.biodiversitylibrary.org/page/7837960
page(s): 231-232, pl. 32, figs. 7-9 [details]
From editor or global species database
Type locality Rio Paila Valley, at an altitude of 1,300 meters [details]