Symonds, Malcolm Francis, and Jean-Michel Pacaud. “New Species of Neritidae (Neritimorpha) from the Ypresian and Bartonian of the Paris and Basse-Loire Basins, France”. Zootaxa 2606, no. 1 (September 9, 2010): 55–68. Accessed April 19, 2025. https://mapress.com/zt/article/view/zootaxa.2606.1.4.