MolluscaBase name details
Polygyra fallax (Say, 1825)
1366466 (urn:lsid:marinespecies.org:taxname:1366466)
unaccepted (unaccepted combination)
Species
- Subspecies Polygyra fallax goniosoma Pilsbry, 1912 accepted as Triodopsis vannostrandi (Bland, 1876) (unaccepted > junior subjective synonym)
- Subspecies Polygyra fallax obsoleta Pilsbry, 1894 accepted as Triodopsis obsoleta (Pilsbry, 1894)
(of Helix fallax Say, 1825) Say, T. (1825). Descriptions of some new species of fresh water and land shells of the United States. Journal of the Academy of Natural Sciences of Philadelphia, 5(1): 119-131, available online at http://biodiversitylibrary.org/page/24657165
page(s): 119 [details]
page(s): 119 [details]
MolluscaBase eds. (2021). MolluscaBase. Polygyra fallax (Say, 1825). Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1366466 on 2025-09-12
The webpage text is licensed under a Creative Commons
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original description
(of Helix fallax Say, 1825) Say, T. (1825). Descriptions of some new species of fresh water and land shells of the United States. Journal of the Academy of Natural Sciences of Philadelphia, 5(1): 119-131, available online at http://biodiversitylibrary.org/page/24657165
page(s): 119 [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 Pilsbry, H. A. (1912). Note on a variety of <i>Polygyra fallax</i>. <em>The Nautilus.</em> 26(7): 79-80., available online at https://www.biodiversitylibrary.org/page/1738286 [details]
additional source Johnson, C. W. (1900). Some notes on the land shells of western Florida. <em>The Nautilus.</em> 13(12): 141-143., available online at https://www.biodiversitylibrary.org/page/42800047
page(s): 142 [details]
page(s): 119 [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 Pilsbry, H. A. (1912). Note on a variety of <i>Polygyra fallax</i>. <em>The Nautilus.</em> 26(7): 79-80., available online at https://www.biodiversitylibrary.org/page/1738286 [details]
additional source Johnson, C. W. (1900). Some notes on the land shells of western Florida. <em>The Nautilus.</em> 13(12): 141-143., available online at https://www.biodiversitylibrary.org/page/42800047
page(s): 142 [details]
