original description
(of Helix (Helicella) oxytropis var. subcarinulata Wollaston, 1878 †) 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): 168 [details]
From editor or global species database