original description
Cossmann M. & Pissarro G. (1902). Faune éocénique du Cotentin (Mollusques). 3e Article. <em>Bulletin de la Société Géologique de Normandie.</em> 21: 27-181., available online at https://www.biodiversitylibrary.org/page/44770263
page(s): 97, pl. 22, figs 24, 27 [details]
From editor or global species database
Type locality Fresville, Manche, France; Lutetian, middle Eocene [details]