MolluscaBase taxon details
original description
(of Trivia sphaericulata var. pseudoavellana 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): 49, pl. 3 fig. 34 [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): 334, pl. 164 figs 1-3 [details]