original description
De Laubrière, L.; Carez, L. (1881). Sur les Sables de Brasles (Aisne). <em>Bulletin de la Société Géologique de France, troisième série.</em> 8, 391-413, pl. 15-16., available online at https://www.biodiversitylibrary.org/page/47143535
page(s): 403-404, pl. 16, figs 1-2 [details]
new combination reference
Pacaud, J.-M.; Harzhauser, M. (2012). <em>Jponsia</em>, <em>Moniquia</em> et <em>Eginea</em>, trois nouveaux genres de Pachychilidae (Gastropoda, Caenogastropoda) du Paléogène européen [<em>Jponsia</em>, <em>Moniquia</em> and <em>Eginea</em>, three new genera of Pachychilidae (Gastropoda, Caenogastropoda) from European Paleogene]. <em>Annales du Muséum d'histoire naturelle de Nice.</em> 27: 105-153.
page(s): 127 [details] Available for editors [request]
From editor or global species database
Type locality Brasles, Aisne, France; Lutetian, middle Eocene [details]