MolluscaBase name details
original description
Sowerby, J.; Sowerby, J. De C. (1821-1823). 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. IV. Privately published by author, London, pp. 1-160, pls. 307-407., available online at https://www.biodiversitylibrary.org/page/14392771
page(s): 70, pl. 149, figs 6, 7 [details]
additional source
Orbigny, A. D. d'. (1842-1843). <i>Paléontologie française. Description zoologique et géologique de tous les animaux Mollusques et Rayonnés fossiles de France. Terrains crétacés</i>. Tome 2. Paris. 456 pp. [1-224 (1842), 225-456 (1843); dates after H. A. KOLLMANN, 2005, <i>Révision critique de la Paléontologie française d'Alcide d'Orbigny</i>, volume 3, Gastropodes crétacés: 6]. <em>Paris, l'Auteur et Arthus Bertrand.</em> 1-456., available online at https://www.biodiversitylibrary.org/page/20418531
page(s): 285, pl. 207, figs 3, 4 [details]