MolluscaBase taxon details
original description
(of Helix otis [Lightfoot], 1786) Lightfoot, J. (1786). A Catalogue of the Portland Museum, lately the property of the Dutchess Dowager of Portland, deceased; which will be sold by auction by Mr. Skinner & Co. <em>[book].</em> London. viii + 194 pp., available online at https://biodiversitylibrary.org/page/43259464 page(s): 38 [details]
original description
(of Helix (Labyrinthus) labyrinthus Pilsbry, 1889) Pilsbry, H. A. (1889-1890). <i>Manual of conchology, structural and systematic, with illustrations of the species</i>. Ser. 2, Pulmonata. Vol. 5: Helicidae, vol. 3. pp 1-216, pls 1-64. Philadelphia, published by the Conchological Section, Academy of Natural Sciences. [pp. 1-64, pls 2-16, 17 April 1889; pp. 65-128, pls 1, 17-23, 3 July 1889; pp. 129-176, pls 22-44, 30 September 1889; pp. 177-216, pls 45-64, 7 March 1890]. , available online at https://www.biodiversitylibrary.org/page/1285612 page(s): 161-163, pl. 39, figs. 87-90 [details]
basis of record
Thompson, F. G. (2011). An annotated checklist and bibliography of the land and freshwater snails of México and Central America. <em>Florida Museum of Natural History Bulletin.</em> 50(1): 1-299. [details] Available for editors [request]
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