MolluscaBase name details
original description
(of Helix decipiens G. B. Sowerby I, 1841) Sowerby, G. B. I. (1841). Descriptions of new species of the family Helicidae, collected by Mr. H. Cuming in the Philippine Islands. <em>Proceedings of the Zoological Society of London.</em> 1840: 87-91, 96-104, 116-118. [April 1841]., available online at https://biodiversitylibrary.org/page/30571521
page(s): 96-98; note: with varieties a - p [details]
basis of record
Pilsbry, H. A. (1891-1892). <i>Manual of conchology, structural and systematic, with illustrations of the species</i>. Ser. 2, Pulmonata. Vol. 7: Helicidae, vol.5. pp 1-225, pls 1-61. Philadelphia, published by the Conchological Section, Academy of Natural Sciences. [pp. 1-64, pls. 1-15, Aug. 3, 1891; pp. 65-128, pls. 16-30, Nov. 3, 1891; pp. 129-192, pls. 31-45, Jan. 30, 1892; pp. 193-225, pls. 46-61, Apr. 25, 1892]. , available online at https://biodiversitylibrary.org/page/1102230
page(s): 140-141, pl. 29, figs. 10-11 [details]