original description
(of Helix mora J. E. Gray, 1833) Griffith E. & Pidgeon E. (1833-1834). The Mollusca and Radiata. Vol. 12, In: E. Griffith, [1824]−1835, The Animal Kingdom arranged in conformity with its organization, by the Baron Cuvier, [...]. London: Whittaker and Co., viii + 601 pp., 61 pls. [Date of publication after Evenhuis (2009): pp. 1-384, Mollusca pls. 1−39, Zoophytes pls 1-20 - 1833; pp. viii + 385-601, Mollusca corrected pls. 28*, 36*, 37*, pls. 40-41 - 1834]. , available online at http://www.biodiversitylibrary.org/item/40578
page(s): pl. 36, fig. 1 [legend] [details]
original description
(of Helix redfieldiana C. B. Adams, 1850) Adams, C. B. (1850). Descriptions of supposed new species of land shells, which inhabit Jamaica. <em>Contributions to Conchology.</em> 7: 101-108., available online at https://www.biodiversitylibrary.org/page/13796515
page(s): 107 [details]
basis of record
Sei, M., Robinson, D. G., Geneva, A. J. & Rosenberg, G. (2017). Doubled helix: Sagdoidea is the overlooked sister group of Helicoidea (Mollusca: Gastropoda: Pulmonata). <em>Biological Journal of the Linnean Society.</em> 122(4): 697-728., available online at https://doi.org/10.1093/biolinnean/blx082 [details] Available for editors [request]
From editor or global species database