MolluscaBase taxon details
original description
(of Cypraea affinis Dujardin, 1837 †) Dujardin, F. (1837). Mémoire sur les couches du sol en Touraine, et description des coquilles de la craie et des faluns. <em>Mémoires de la Société Géologique de France.</em> 2(2): 211–311, pls 15-21., available online at https://www.biodiversitylibrary.org/page/42371007
page(s): 304, pl. 19 fig. 12 [details]
original description
(of Trivia affinis var. dimidiatoaffinis Sacco, 1894 †) Sacco, F. (1894). I molluschi dei terreni terziarii del Piemonte e della Liguria. Parte XV. (Cypraeidae, ed Amphiperasidae). Carlo Clausen, Torino, 74 pp., 3 pl., available online at http://www.biodiversitylibrary.org/item/45381
page(s): 51 [details]
basis of record
Landau B.M., Ceulemans L. & Van Dingenen F. (2018). The upper Miocene gastropods of northwestern France, 2. Caenogastropoda. <em>Cainozoic Research.</em> 18(2): 177-368.
page(s): 332, pl. 162 figs 1-3 [details]