MolluscaBase taxon details
original description
(of Helix aeruginosa A. Gould, 1855) Gould, A. A. (1855). New species of land and fresh-water shells from Western (N.) America. <em>Proceedings of the Boston Society of Natural History.</em> 5: 127-130., available online at https://www.biodiversitylibrary.org/page/8871264
page(s): 127 [details]
original description
(of Helix arrosa W. G. Binney, 1858) Binney, W. G. (1857). Notes on American land shells. No. 2. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 9: 183-193., available online at https://www.biodiversitylibrary.org/page/6330449
page(s): 185. [details]
original description
(of Helix (Arionta) arrosa var. holderiana J. G. Cooper, 1875) Cooper, J.G. (1875). On shells of the west slope of North America. Proceedings of the California Academy of Sciences, (1) 6: 14-27.
page(s): 16 [details]
original description
(of Epiphragmophora exarata var. rubicunda Rowell, 1902) Rowell, J. (1902). A new <i>Helix</i> from California. <em>The Nautilus.</em> 16(5): 52., available online at https://www.biodiversitylibrary.org/page/1754325
page(s): 52 [details]
original description
(of Epiphragmophora arrosa f. obscura Pilsbry, 1895) Pilsbry, H. A. (1893-1895). <i>Manual of conchology, structural and systematic, with illustrations of the species</i>. Ser. 2, Pulmonata. Vol. 9: Helicidae, Vol. 7, Guide to the study of Helices. pp 1-225, pls 1-61. Philadelphia, published by the Conchological Section, Academy of Natural Sciences. [pp. 1-48, pls 1-14, 16 Nov 1893; pp. 49-112, pls 15-28, 19 Mar 1894; pp. 113-160, pls 29-40, 27 Jul 1894; pp. 161-366, pls 41-71, i-xlviii, 2 Feb 1895; index 1-126, April 1895]. , available online at https://www.biodiversitylibrary.org/page/1102607
page(s): 199 [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]