MolluscaBase taxon details
original description
(of Helix traskii Newcomb, 1861) Newcomb, W. (1861). Description of new shells. <em>Proceedings of the California Academy of Sciences.</em> (1)2: 91-94., available online at http://biodiversitylibrary.org/page/3837015
page(s): 91-92 [details]
original description
(of Lysinoe frankii J. G. Cooper, 1870) Cooper, J.G. (1870). Notes on west coast land shells. No. II. American Journal of Conchology, 5(3): 199-219.
page(s): 209 [details]
original description
(of Sonorella betheli J. Henderson, 1914) Henderson, J. (1914). A new <i>Sonorella</i> from the Grand Canyon, Arizona. <em>The Nautilus.</em> 27(11): 122-124., available online at https://www.biodiversitylibrary.org/page/1752647
page(s): 123 [details]
original description
(of Epiphragmophora traskii major Bartsch, 1916) Bartsch, P. (1916). The California land shells of the <i>Epiphragmophora traskii</i> group. <em>Proceedings of the United States National Museum.</em> 51(2170): 609-619, plates 114-117., available online at https://www.biodiversitylibrary.org/page/7764989
page(s): 612 [details]
original description
(of Epiphragmophora traskii saucius Bartsch, 1916) Bartsch, P. (1916). The California land shells of the <i>Epiphragmophora traskii</i> group. <em>Proceedings of the United States National Museum.</em> 51(2170): 609-619, plates 114-117., available online at https://www.biodiversitylibrary.org/page/7764989
page(s): 612 [details]
original description
(of Epiphragmophora traskii verna Bartsch, 1916) Bartsch, P. (1916). The California land shells of the <i>Epiphragmophora traskii</i> group. <em>Proceedings of the United States National Museum.</em> 51(2170): 609-619, plates 114-117., available online at https://www.biodiversitylibrary.org/page/7764989
page(s): 612 [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]