original description
Pilsbry, H. A. (1948). Inland mollusks of Northern Mexico: I. The genera Humboldtiana, Sonorella, Oreohelix and Ashmunella. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 100: 185-203.
page(s): 200, pl. 13, fig. 2 [details] Available for editors [request]
basis of record
Thompson, F. G. (2011). An annotated checklist and bibliography of the land and freshwater snails of México and Central America. <em>Florida Museum of Natural History Bulletin.</em> 50(1): 1-299. [details] Available for editors [request]
additional source
Emberton, K. C. (1995). When shells do not tell: 145 million years of evolution in North America's polygyrid land snails, with a revision and conservation priorities. <em>Malacologia.</em> 37(1): 69-110. Ann Arbor., available online at https://www.biodiversitylibrary.org/page/13113494
page(s): 88 [details]
From editor or global species database