original description
Miller, K. (1878). Die Binnenmollusken von Ecuador. <em>Malakozoologische Blätter.</em> 25: 153-199., available online at https://www.biodiversitylibrary.org/page/15855524
page(s): 165, pl. 7, figs. 5a-5b [details]
source of synonymy
Breure, A. S. H., Roosen, M. T. & Ablett, J. D. (2022). Land and freshwater molluscs of mainland Ecuador: an illustrated checklist. <em>Iberus.</em> 40(1): 1-290.
page(s): 212 [details]
From editor or global species database
Type locality Otavalo, Nanegal, Val de Pilaton [details]