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
Semper, C. (1870-1885). <i>Reisen im Archipel der Philippinen, Theil 2. Wissenschaftliche Resultate. Band 3, Landmollusken</i>. Wiesbaden: Kreidel. [1-80, pls 1-7 (1870); 81-128 (1873); 129-168 (1874); 169-224 (1877); 225-264, pls 19–20, 22–23 (1880); 265–290, pl. 21 (1882); 291-327, pls 24–27 (1885)] (publication dates after Zool. Record)., available online at https://biodiversitylibrary.org/page/32630046
page(s): 193-194, pl. 13, figs. 2-3, 6; pl. 18, fig. 13 [details]