MolluscaBase taxon details
original description
(of Helix glasiana Shuttleworth, 1852) Shuttleworth, R. J. (1852). Diagnosen einiger neuen Mollusken aus den Canarischen Inseln. <em>Mittheilungen der Naturforschenden Gesellschaft in Bern.</em> 1852 (241/242): 137-146. Bern., available online at https://www.biodiversitylibrary.org/page/11568233
page(s): 143 [details]
original description
(of Helix empeda Mabille, 1882) Mabille, J. (1882). Molluscorum novorum diagnoses succinctae. <em>Bulletin de la Société Philomatique de Paris.</em> (7) 6 (2): 132-144 ; (7) 6 (3): 145-147. Paris., available online at https://www.biodiversitylibrary.org/page/31660920
page(s): 140 [details]
original description
(of Helix malleata var. deformis 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): 92, 154, 162 [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]