The upper Turonian (Cretaceous) Prionocyclus germari Zone of the Vocontian Basin, France, with description of Vocontiiceras vocontiense nov. gen. et sp. (Collignoniceratidae, Ammonoidea) - Diebold, Frédéric; Bengtson, Peter; Baudouin, Cyril; Tröger, Karl-Armin; Lees, Jacqueline A.; Bert, Didier (Cretaceous research, 2017)
Gesehen am 02.03.2018