MolluscaBase name details
original description
Pfeiffer, L. (1845). Descriptions of new species of Helix, in the cabinet of Hugh Cuming, Esq. <em>Proceedings of the zoological Society of London.</em> 13 (146): 38–42. London [31 August]., available online at https://biodiversitylibrary.org/page/12862534
page(s): 39 [details]
original description
(of Helix constricta L. Pfeiffer, 1845) Pfeiffer, L. (1845). Descriptions of new species of Helix, in the cabinet of Hugh Cuming, Esq. <em>Proceedings of the zoological Society of London.</em> 13 (146): 38–42. London [31 August]., available online at https://biodiversitylibrary.org/page/12862534
page(s): 39 [details]
additional source
Möllendorff, O. F. von. (1898). Verzeichnis der auf den Philippinen lebenden Landmollusken. <em>Abhandlungen der Naturforschenden Gesellschaft zu Görlitz.</em> 22: 26-208., available online at https://biodiversitylibrary.org/page/58468236
page(s): 100; note: (invalid: junior homonym of Helix constricta Boubée, 1836; H. restricta and H. stenopsis are replacement names). Mollendorff treats this as a valid species. Mollendorff lists mutatio major from Mindo... (invalid: junior homonym of Helix constricta Boubée, 1836; H. restricta and H. stenopsis are replacement names). Mollendorff treats this as a valid species. Mollendorff lists mutatio major from Mindoro with no description or comment. This is considered a nomen nudum here. He also treat Chloraea undina (L. Pfeiffer, 1856) as a subspecies of C. constricta.
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