MolluscaBase name details
Helix (Polygyra) deltoidea C. T. Simpson, 1888
1365515 (urn:lsid:marinespecies.org:taxname:1365515)
unaccepted > superseded combination
Species
Helix (Polygyra) Say, 1818 accepted as Polygyra Say, 1818
Simpson, C. T. (1888). Notes on some Indian Territory land and fresh-water shells. <em>Proceedings of the United States National Museum.</em> 11: 449-454., available online at https://www.biodiversitylibrary.org/page/7608563
page(s): 450 [details]
page(s): 450 [details]
MolluscaBase eds. (2024). MolluscaBase. Helix (Polygyra) deltoidea C. T. Simpson, 1888. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1365515 on 2025-03-24
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original description
Simpson, C. T. (1888). Notes on some Indian Territory land and fresh-water shells. <em>Proceedings of the United States National Museum.</em> 11: 449-454., available online at https://www.biodiversitylibrary.org/page/7608563
page(s): 450 [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]
page(s): 450 [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]
