WoRMS taxon details
original description
(of Polygyra plicata Say, 1821) Say, T. (1821). Description of univalve shells of the United States. <em>Journal of the Academy of Natural Sciences of Philadelphia.</em> 2(1): 149-179., available online at https://www.biodiversitylibrary.org/page/36831337 page(s): 161 [details]
original description
(of Helix hazardi Bland, 1858) Bland, T. (1858). Remarks on certain species of North American Helicidae. <em>Annals of the Lyceum of Natural History of New York.</em> 6: 280-302, plate 9., available online at https://www.biodiversitylibrary.org/page/16023884 page(s): 291, pl. 9, figs. 27-30 [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]
new combination reference
Coles, B. F.; Walsh, G. E. (2006). <i>Daedalochila</i> sp. nov. from northwest Arkansas, U.S.A., the anatomy of the <i>Polygyra plicata</i> group, and the validity of the genus <i>Millerelix</i> Pratt, 1981 (Gastropoda: Pulmonata: Polygyridae). <em>American Malacological Bulletin.</em> 21(1-2): 99-112., available online at https://www.biodiversitylibrary.org/page/46131269 [details]
From editor or global species database
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