original description
(of Helix nacimientensis C. A. White, 1886 †) White, C.A. (1886). On the relation of the Laramie molluscan fauna to that of the succeeding fresh-water Eocene and other groups. <em>United States Geological Survey Bulletin.</em> 34: 391-442.
page(s): 12 (400), 26 (414), pl. 5, figs 3-7 [details]
basis of record
Henderson, J. (1935). Fossil non-marine Mollusca of North America. <em>Geological Society of America Special Papers.</em> 3: 1-313.
page(s): 139 [details] Available for editors [request]
status source
Roth, B. (1986). Land mollusks (Gastropoda: Pulmonata) from Early Tertiary Bozeman Group, Montana. <em>Proceedings of the California Academy of Sciences.</em> 44(11): 237-267., available online at https://www.biodiversitylibrary.org/page/16005679
page(s): 248 [details] Available for editors [request]
From editor or global species database
Classification Probably not an oreohelicid but perhaps a Helminthoglyptidae according to Roth (1986). [details]