MolluscaBase taxon details
original description
(of Helix distorta Jonas, 1843) Philippi, R. A. (1842-1850). <i>Abbildungen und Beschreibungen neuer oder wenig gekannter Conchylien unter Mithülfe mehrerer deutscher Conchyliologen</i>. Cassel, T. Fischer: Vol. 1: 1-20 [1842], 21-76 [1843], 77-186 [1844], 187-204 [1845]; Vol. 2: 1-64 [1845], 65-152 [1846], 153-232 [1847] ; Vol. 3: 1-50 [1847], 51-82 [1848], 1-88 [1849], 89-138 [1850]. , available online at http://www.biodiversitylibrary.org/item/41582
page(s): Vol. 1, 48, pl. Helix 3, fig. 3 [details]
basis of record
Bequaert, J. C. & Clench, W. J. (1936). Studies of African land and fresh-water mollusks. Notes on <i>Gonaxis</i> Taylor, with description of a new species. <em>Journal of Conchology.</em> 20(9): 263–273.
page(s): 273 [details]