original description
Cossmann, M. (1888). Catalogue illustré des coquilles fossiles de l'Éocène des environs de Paris. <em>Annales de la Société Royale Malacologique de Belgique.</em> 23: 3-328; pls 1-12. [published 1889; also published as preprint in 1888; see Breure & Backhuys, 2012: 140]., available online at https://www.biodiversitylibrary.org/page/5609412
page(s): 281, pl. 11, figs 18-19 [details]
From editor or global species database
Type locality Sinceny, Aisne, France; Sparnacian, early Ypresian, early Eocene [details]