MolluscaBase taxon details
original description
(of Helix exarata L. Pfeiffer, 1857) Pfeiffer, L. (1857). Descriptions of thirty-one new species of land-shells, from Mr. Cuming's collection. <em>Proceedings of the zoological Society of London.</em> 25 (333): 107–112; 25 (334): 113. London [15 August] & [28 September]., available online at https://www.biodiversitylibrary.org/page/32451252
page(s): 108 [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]