MolluscaBase taxon details
original description
(of Helix casta L. Pfeiffer, 1849) Pfeiffer, L. (1849). Descriptions of fourteen new species of Helicea, from the collection of H. Cuming, Esq. <em>Proceedings of the zoological Society of London.</em> 16 (187) [“1848”]: 109–112. London [25 April].
page(s): 110 [details]
additional source
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): 120, pl. 25, figs. 37-38 [details]