original description
De Gregorio, A. (1892). Description de certains fossiles extramarins de l'Éocène Vicentin. <em>Annales de Géologie et de Paléontologie.</em> 10: 1-28, 2 pl., available online at https://www.biodiversitylibrary.org/page/37166124
page(s): 10, pl. 1, figs 9, 12-13 [details]
From editor or global species database
Type locality Val de Mazzini [near Pugnello], Vicenza, Italy; Ronca Beds, Bartonian, late Eocene [details]