additional sourceThompson, F. G. (1980). Proserpinoid land snails and their relationships within the Archaeogastropoda. <em>Malacologia.</em> 20(1): 1-33., available online athttps://archive.org/details/biostor-100926 page(s): 3-6 [details]
additional sourceSolem, A. (1954). Notes on Mexican mollusks. I: Durango, Coahuila and Tamaulipas, with description of two new <i>Humboldtiana</i>. <em>The Nautilus.</em> 68(1): 3-10, pl. 1., available online athttps://www.biodiversitylibrary.org/page/8516480 page(s): 7 [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Etymology Named for the collector, E. W. Nelson [details] Type locality Pilitla, San Luis Potosi [details]