MolluscaBase taxon details
original description
(of Helix wetherbyi Bland, 1874) Bland, T. (1874). Description of a new species of <i>Helix</i>, and note on <i>H. mobiliana</i>, Lea. <em>Annals of the Lyceum of Natural History of New York.</em> 10: 361-363., available online at https://www.biodiversitylibrary.org/page/16078242
page(s): 361 [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): 92 [details]
From editor or global species database