original description
Wollaston, T.V. (1878). Testacea Atlantica or the land and freshwater shells of the Azores, Madeiras, Salvages, Canaries, Cape Verdes, and Saint Helena. i-xi, [1], 1-588, 1-16. London. (Reeve)., available online at https://www.biodiversitylibrary.org/page/18928631
page(s): 307, 337 [details]
From editor or global species database
Nomenclature New name for Helix adonis Mousson, 182, non Angas, 1869. The replacement name is, however, invalid as well, since it is a junior homonym of Helix sumatrana var. moussoniana Martens, 1867. [details]