MolluscaBase name details
original description
(of Helix hirsuta Say, 1817) Say, T. (1817). Descriptions of seven species of American fresh water and land shells, not noticed in the systems. <em>Journal of the Academy of Natural Sciences.</em> Philadelphia 1(1): 13–16, 17–18., available online at http://archive.org/stream/journalofacademy01acaduoft#page/n21/mode/2up
page(s): 17 [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
Clapp, G. H. (1905). <i>Polygyra decepta</i> n. sp. <em>The Nautilus.</em> 19(3): 25-26, 2 text-figures., available online at https://www.biodiversitylibrary.org/page/1755598 [details]
additional source
van Hyning, T. (1904). Albino <i>Polygyra monodon</i> and <i>P. hirsuta</i>. <em>The Nautilus.</em> 18(8): 92., available online at https://www.biodiversitylibrary.org/page/1817063 [details]