MolluscaBase taxon details
original description
(of Helix gularis 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): 156 [details]
original description
(of Helix bicostata L. Pfeiffer, 1846) Pfeiffer, L. (1846). Symbolae ad historiam Heliceorum. Sectio tertia. 1–100. Cassellis: Th. Fischer [< 26 August]., available online at https://biodiversitylibrary.org/page/12254325 page(s): 69 [details]
original description
(of Ventridens (Ventridens) suppressus magnidens Pilsbry, 1946) Pilsbry, H. A. (1946). Land Mollusca of North America (north of Mexico). Volume II Part 1. <em>The Academy of Natural Sciences of Philadelphia Monographs.</em> 3: i-viii, 1-520, 1 plate. Philadelphia [6 December]. page(s): 442, fig. 237 [details] Available for editors [request]
original description
(of Ventridens (Ventridens) gularis nodus Pilsbry, 1946) Pilsbry, H. A. (1946). Land Mollusca of North America (north of Mexico). Volume II Part 1. <em>The Academy of Natural Sciences of Philadelphia Monographs.</em> 3: i-viii, 1-520, 1 plate. Philadelphia [6 December]. page(s): 447, fig. 238d [details] Available for editors [request]
original description
(of Helix gularis var. umbilicata W. G. Binney, 1858) Binney, W. G. (1858). Notes on American land shells, No. 4. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 10: 197-211., available online at https://www.biodiversitylibrary.org/page/47535790 page(s): 202 [details]
original description
(of Zonites cerinoidea var. cuspidata J. Lewis, 1875) Lewis, J. (1875). Descriptions of new species of American land and fresh-water shells. Proceedings of the Academy of Natural Sciences of Philadelphia, 27: 334-337, plate 23. page(s): 336 [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]
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