MolluscaBase name details
original description
(of Helix butleri L. Pfeiffer, 1842) Pfeiffer, L. (1842). Descriptions of new species of shells belonging to the genera <i>Helix</i> and <i>Bulimus</i>, collected by H. Cuming, Esq, in the Philippine Islands. <em>Proceedings of the zoological Society of London.</em> 10 (113): 84–89. London [31 December]., available online at https://www.biodiversitylibrary.org/page/30679846
page(s): 87 [details]
basis of record
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): 122, 123; note: Moellendorff (1898: 123) lists subspecies gravida Mlldff. from northern Luzon (Tiagan, Ilocos Sur) with no description or comment. This is considered a nomen nudum here. [details]