original description
(of Helix (Hystricella) bicarinata var. aucta 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): 161-163 [details]
basis of record
De Mattia, W., Neiber, M. T. & Groh, K. (2018). Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). <em>ZooKeys.</em> 732: 1-125., available online at https://doi.org/10.3897/zookeys.732.21677
page(s): 38, figs 71–73, 75 [details]
From editor or global species database
Extinction Recently extinct [details]