MolluscaBase name details
Polygyra thyroidus (Say, 1817)
1596562 (urn:lsid:marinespecies.org:taxname:1596562)
unaccepted > superseded combination
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. (2025). MolluscaBase. Polygyra thyroidus (Say, 1817). Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1596562 on 2025-09-11
Date
action
by
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
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 Archer, A. F. (1934). Sinistral land snails from Ann Arbor, Michigan. <em>The Nautilus.</em> 47(4): 148-149., available online at https://www.biodiversitylibrary.org/page/8522737 [details]
additional source Van Cleave, H. J. & Foster, T. D. (1937). The seasonal life history of a land snail, <i>Polygyra thyroidus</i> (Say). <em>The Nautilus.</em> 51(2): 50-54., available online at https://www.biodiversitylibrary.org/page/9203270 [details]
page(s): 123 [details]
basis of record Archer, A. F. (1934). Sinistral land snails from Ann Arbor, Michigan. <em>The Nautilus.</em> 47(4): 148-149., available online at https://www.biodiversitylibrary.org/page/8522737 [details]
additional source Van Cleave, H. J. & Foster, T. D. (1937). The seasonal life history of a land snail, <i>Polygyra thyroidus</i> (Say). <em>The Nautilus.</em> 51(2): 50-54., available online at https://www.biodiversitylibrary.org/page/9203270 [details]
