MolluscaBase name details
original description
Leach, W. E. (1852). Molluscorum Britanniae Synopsis. A synopsis of the Mollusca of Great Britain arranged according to their natural affinities and anatomical structure. Van Voorst, London, viii + 376 pp. (edited posthumously by J. E. Gray). , available online at https://www.biodiversitylibrary.org/page/13107076
page(s): 25 [details]
additional source
Gray, J. E. (1847). On the classification of the British Mollusca by W E Leach. <em>Annals and Magazine of Natural History.</em> (1) 20: 267-273., available online at http://biodiversitylibrary.org/page/2278926
page(s): 268; note: The name "Idalia maculata" appears as a nom. nud. in Gray, 1847, probably a
misspelling of Idulia Leach, 1852 [a MS to which Gray had access already in 1847]. [details]