MolluscaBase name details
Helix tridentata Say, 1817
1365068 (urn:lsid:marinespecies.org:taxname:1365068)
unaccepted > superseded combination
Species
- Subspecies Helix tridentata polita Wetherby, 1894 accepted as Triodopsis discoidea (Pilsbry, 1904) (unaccepted > junior subjective synonym)
- Variety Helix tridentata var. ephabus Ravenel, 1834 accepted as Triodopsis hopetonensis (Shuttleworth, 1852)
Say, T. (1817). Conchology. - In: Nicholson, W.: American edition of the British Encyclopedia, or, dictionary of arts and sciences comprising an accurate and popular view of the present improved state of human knowledge. First Edition, A-3 - C-6 [= 1-20], pl. [1-4].
page(s): [unpaginated], pl. 2, fig. 1 [details]
page(s): [unpaginated], pl. 2, fig. 1 [details]
MolluscaBase eds. (2025). MolluscaBase. Helix tridentata Say, 1817. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1365068 on 2025-09-11
Date
action
by
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
original description
Say, T. (1817). Conchology. - In: Nicholson, W.: American edition of the British Encyclopedia, or, dictionary of arts and sciences comprising an accurate and popular view of the present improved state of human knowledge. First Edition, A-3 - C-6 [= 1-20], pl. [1-4].
page(s): [unpaginated], pl. 2, fig. 1 [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 Binney, W. G. (1875). On the genitalia, jaw and lingual dentition of certain species of Pulmonata (with a note on the classification on the Achatinellae, by Thomas Bland). <em>Annals of the Lyceum of Natural History of New York.</em> 11: 166-196 plates 12-18., available online at https://www.biodiversitylibrary.org/page/16076264#page/188/mode/1up
page(s): pl. 17, fig. 19 [details]
page(s): [unpaginated], pl. 2, fig. 1 [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 Binney, W. G. (1875). On the genitalia, jaw and lingual dentition of certain species of Pulmonata (with a note on the classification on the Achatinellae, by Thomas Bland). <em>Annals of the Lyceum of Natural History of New York.</em> 11: 166-196 plates 12-18., available online at https://www.biodiversitylibrary.org/page/16076264#page/188/mode/1up
page(s): pl. 17, fig. 19 [details]