(ofHelix dubiosa L. Pfeiffer, 1846)Pfeiffer, L. (1846). Descriptions of fourteen new species of <i>Helix</i>, belonging to the collection of H. Cuming, Esq. <em>Proceedings of the Zoological Society of London.</em> 13 (153) [“1845”]: 123–125. London [28. February]., available online athttps://www.biodiversitylibrary.org/page/12862619 page(s): 123-124; note: with one variety [details]
original description(ofHelix dubiosa L. Pfeiffer, 1846)Pfeiffer, L. (1846). Descriptions of fourteen new species of <i>Helix</i>, belonging to the collection of H. Cuming, Esq. <em>Proceedings of the Zoological Society of London.</em> 13 (153) [“1845”]: 123–125. London [28. February]., available online athttps://www.biodiversitylibrary.org/page/12862619 page(s): 123-124; note: with one variety [details]