identified by scientist Paleogene Paleocene Danian North Africa El Kef FEU-1009290
|  | identified by scientist Cretaceous Upper Cretaceous Maastrichtian North European Plain Ruegen Jasmund FEU-1005968
|  | identified by scientist Cretaceous Upper Cretaceous Maastrichtian North European Plain Ruegen Jasmund FEU-1005969
|  | identified by M. Hesemann Cretaceous Upper Cretaceous Maastrichtian North European Plain Hemmoor FEU-1005080
|  | identified by M. Hesemann Cretaceous Upper Cretaceous Campanian North European Plain Hoever FEU-1012401
|  |