MolluscaBase name details
Helix (Mesodon) thyroides Say, 1817
1558969 (urn:lsid:marinespecies.org:taxname:1558969)
unaccepted > superseded combination (misspelling of original species name, Helix thyroidus Say, 1817)
Species
(of Helix thyroidus Say, 1817) Say, T. (1817). Descriptions of new species of land and fresh water shells of the United States. <em>Journal of the Academy of Natural Sciences of Philadelphia.</em> 1 (6): 123-126., available online at https://www.biodiversitylibrary.org/page/24680373
page(s): 123 [details]
page(s): 123 [details]
MolluscaBase eds. (2024). MolluscaBase. Helix (Mesodon) thyroides Say, 1817. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1558969 on 2025-04-20
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original description
(of Helix thyroidus Say, 1817) Say, T. (1817). Descriptions of new species of land and fresh water shells of the United States. <em>Journal of the Academy of Natural Sciences of Philadelphia.</em> 1 (6): 123-126., available online at https://www.biodiversitylibrary.org/page/24680373
page(s): 123 [details]
basis of record Pilsbry, H. A. (1892). Littoral land shells of New Jersey. <em>The Nautilus.</em> 5(12): 141-142., available online at https://www.biodiversitylibrary.org/page/42788939
page(s): 141-142 [details]
page(s): 123 [details]
basis of record Pilsbry, H. A. (1892). Littoral land shells of New Jersey. <em>The Nautilus.</em> 5(12): 141-142., available online at https://www.biodiversitylibrary.org/page/42788939
page(s): 141-142 [details]