original description
Cossmann, M. (1887). Catalogue illustré des coquilles fossiles de l'Éocène des environs de Paris. <em>Annales de la Société Royale Malacologique de Belgique.</em> 22: 3-214., available online at https://biodiversitylibrary.org/page/41213509
page(s): 16 [details]
From editor or global species database
Nomenclature subsequent designation of type species by Chavan (1969) in Moore (ed.). Treatise on Invertebrate Paleontology: N513, 514 [details]