original description(ofHelix lindoni L. Pfeiffer, 1847)Pfeiffer, L. (1847). Descriptions of 38 new species of land-shells, in the collection of Hugh Cuming, Esq. <em>Proceedings of the Zoological Society of London.</em> 14 (166) [“1846”]: 109–116. [26 January]., available online athttps://biodiversitylibrary.org/page/12862759 page(s): 109 [details]