original description
Pilsbry, H. A. (1932). South American land and freshwater mollusks, 8. Collections of the Carriker-Roberts Peruvian expedition of 1932. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 84: 387-402.
page(s): 390, pl. 27, fig. 4 [details] Available for editors [request]
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): 180 [details]
From editor or global species database
Type locality near divide near Huasimal, Cascadero, Bella Vista trail, Dept. of Tumbez, Peru, at about 4000 feet [details]