MolluscaBase name details
original description
(of Cytherea alternans Sismonda, 1842 †) Sismonda, E. (1842) Synopsis Methododica Animalium Invertebratorum Pedemontii Fossilium. Augustae Taurinorum, Torino, 44 pp. , available online at https://www.biodiversitylibrary.org/item/181747
page(s): 18 [details]
basis of record
Sacco, F. (1900). I molluschi dei terreni terziarii del Piemonte e della Liguria. Parte XXVIII. (Isocardiidae, Cyprinidae, Veneridae, Petricolidae, Cyrenidae e Sphaeridae). Carlo Clausen, Torino, 98 pp, 14 pl. , available online at http://www.biodiversitylibrary.org/item/46376
page(s): 33, pl. 8, fig. 3 [details]