MolluscaBase name details
Helix (Triodopsis) appressa (Say, 1821)
1761749 (urn:lsid:marinespecies.org:taxname:1761749)
unaccepted > superseded combination
Species
(of Helix appressa Say, 1821) Say, T. (1821). Description of univalve shells of the United States. <em>Journal of the Academy of Natural Sciences of Philadelphia.</em> 2(1): 149-179., available online at https://www.biodiversitylibrary.org/page/36831337
page(s): 151 [details]
page(s): 151 [details]
MolluscaBase eds. (2025). MolluscaBase. Helix (Triodopsis) appressa (Say, 1821). Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1761749 on 2025-09-11
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original description
(of Helix appressa Say, 1821) Say, T. (1821). Description of univalve shells of the United States. <em>Journal of the Academy of Natural Sciences of Philadelphia.</em> 2(1): 149-179., available online at https://www.biodiversitylibrary.org/page/36831337
page(s): 151 [details]
basis of record Wetherby, A. G. (1878). On the deformities of some Tennessee helices. <em>The Journal of the Cincinnati Society of Natural History.</em> 1(3): 154-159., available online at https://www.biodiversitylibrary.org/page/7547727 [details]
page(s): 151 [details]
basis of record Wetherby, A. G. (1878). On the deformities of some Tennessee helices. <em>The Journal of the Cincinnati Society of Natural History.</em> 1(3): 154-159., available online at https://www.biodiversitylibrary.org/page/7547727 [details]