Traits taxon details
original description
(of ) Gould, A.A. (1846). New species of Helix, from the Shells of the Exploring Expedition. Proceedings of the Boston Society of Natural History, 2: 165-167. Boston. page(s): 165 [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): 87 [details]
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