MolluscaBase taxon details
original description
(of Helix efferata Mousson, 1872) Mousson, A. (1872). Révision de la faune malacologique des Canaries. <em>Neue Denkschriften der Schweizerischen Naturforschenden Gesellschaft.</em> 25 (14): 1-176, pl. 1-6., available online at https://www.biodiversitylibrary.org/page/13237449
page(s): 72, 153, 161, pl. 6 fig. 2 [details]
basis of record
Bank, R. A.; Neubert, E. (2017). Checklist of the land and freshwater Gastropoda of Europe. Last update: July 16th, 2017. [details]