ChaRMS taxon details
original description
Gray, J. E. (1840). A manual of the land and fresh-water shells of the British Islands, with figures of each of the kinds. By William Turton, M.D. A new edition, thoroughly revised and much enlarged. ix pp. + 1 p. errata + 324 pp., pls 1-12. London (Longman, Orme, Brown, Green, & Longmans). [March-June 1840]., available online at https://www.biodiversitylibrary.org/page/18243759 page(s): 277, 279 [details]
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