MolluscaBase name details
original description
Sowerby, J. (1818-1821). The mineral conchology of Great Britain; or, Coloured figures and descriptions of those remains of testaceous animals or shells, which have been preserved at various times and depths in the earth. Vol. III. Privately published by author, London, pp. 1-194, pls. 204-306., available online at https://www.biodiversitylibrary.org/page/51561256 page(s): 69, pl. 240, figs 1, 2 [details]
additional source
Quenstedt, F. A. (1856–1857). Der Jura. <em>Laupp: Tübingen.</em> Laupp & Siebeck, Tübingen; pp. 1–208, pl. 1–24 (July 1856), pp. 209–368, pl. 25–48, 1 Übersichtstafel des Lias (December 1856), pp. 369–576, pl. 49–72, 1 Übersichtstafel des Braunen Jura (April 1857), pp. i–vi + 577–842, pl. 73–100, 1 Übersichtstafel des Weißen Jura (October 1857)., available online at https://books.google.pt/books?id=Tv8TAAAAQAAJ page(s): 416, pl. 57, figs 11-13 [details]
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