MolluscaBase taxon details
original description
(of Triodopsis levettei Bland, 1882) Bland, T. (1882). Description of a new <i>Triodopsis</i>, from New Mexico. <em>Annals of the New York Academy of Sciences.</em> 2(4): 115-116., available online at https://www.biodiversitylibrary.org/page/35264611
page(s): 115, fig [details]
original description
(of Ashmunella levettei ursina Pilsbry & Ferriss, 1909) Pilsbry, H. A. & Ferriss, J. H. (1909). Mollusca of the southwestern states, III: The Huachuca Mountains, Arizona. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 61 (3): 495-516, plates 19-22., available online at https://www.biodiversitylibrary.org/page/1816806
page(s): 508, fig. 7 [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
Pilsbry, H. A. (1902). <i>Ashmunella levettei</i> (Bld.). <em>The Nautilus.</em> 16(5): 59-60., available online at https://www.biodiversitylibrary.org/page/1754332 [details]
additional source
Emberton, K. C. (1995). When shells do not tell: 145 million years of evolution in North America's polygyrid land snails, with a revision and conservation priorities. <em>Malacologia.</em> 37(1): 69-110. Ann Arbor., available online at https://www.biodiversitylibrary.org/page/13113494
page(s): 88 [details]