original description
Berry, S. S. (1927). A new Oregonian subspecies of <i>Monadenia fidelis</i>. <em>The Nautilus.</em> 40(4): 122-124, text-fig. 2., available online at https://www.biodiversitylibrary.org/page/8523259 [details]
basis of record
InvertEBase. (2018). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase (InvertEBase.org) project. [details]
From editor or global species database
Type locality "Trail, Rogue River Valley, Jackson County, Oregon" [details]