original description
Lamarck [J.B.P.A. de]. (1804). Suite des mémoires sur les fossiles des environs de Paris. <em>Annales du Muséum d'Histoire Naturelle.</em> 4: 46-55, 105-115, 212-222, 289-298, 429-436., available online at https://biodiversitylibrary.org/page/29642493
page(s): 115, vélin no. 16, fig. 12 [details]
new combination reference
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): 206 [details]
From editor or global species database
Type locality Grignon at Thiverval-Grignon, Yvelines, France; Lutetian, middle Eocene [details]
From editor or global species database