Traits taxon details
original description
Clapp, G. H. (1908). New land shells from Arizona and New Mexico. <em>The Nautilus.</em> 22(8): 76-78, pls. 7-8., available online at https://www.biodiversitylibrary.org/page/1743591 page(s): 77-79, pl. 8, figs. 1-3 [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]
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]
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