Traits taxon details
original description
Pilsbry, H. A. & Cheatum, E. P. (1951). Land snails from the Guadalupe Range, Texas. <em>The Nautilus.</em> 64(3): 87-90, pl. 4, figs. 3-3a, 5-5a, 10., available online at https://www.biodiversitylibrary.org/page/8524354 page(s): 88, pl. 4, fig. 10 [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]
From editor or global species database
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