original description
Bayan, F. (1870). Études faites dans la collection de l'École des Mines sur des fossiles nouveaux ou mal connus. Premier fascicule. Mollusques tertiaires. F. Savy, Paris, pp. 1-81, pl. 1-10., available online at https://books.google.com/books?id=trNGAQAAMAAJ
page(s): 8-9, pl. 10, fig. 4 [details]
From editor or global species database
Type locality Longpont, Aisne, France; Calcaire de Provins, late Lutetian, middle Eocene [details]
From editor or global species database