original description
Cossmann M. (1889). Catalogue illustré des coquilles fossiles de l'Éocène des environs de Paris. <em>Annales de la Société Royale Malacologique de Belgique.</em> 24: 3-381, pl. 1-12., available online at https://www.biodiversitylibrary.org/page/5502754
page(s): 357, pl. 12, figs 27-29 [details]
From editor or global species database
Type locality Neauphlette, Yvelines (Lutetian, middle Eocene) and Guépelle near Saint-Witz, Val-d'Oise (early Bartonian, late Eocene), France [details]
From editor or global species database