Traits name details
original description
(of ) Binney, W. G. (1857). Notes on American land shells. No. 2. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 9: 183-193., available online at https://www.biodiversitylibrary.org/page/6330449 page(s): 183 [details]
basis of record
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): 91 [details]
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