identified by scientist Quaternary Holocene recent unknown FEU-1011652
|  | identified by M. Hesemann Paleogene Oligocene Chattian North European Plain Kobrow FEU-1015715
|  | identified by M. Hesemann Cretaceous Upper Cretaceous Maastrichtian North European Plain Hemmoor FEU-1005073
|  | identified by M. Hesemann Cretaceous Upper Cretaceous Maastrichtian North European Plain Hemmoor FEU-1005074
|  | identified by M. Hesemann Cretaceous Upper Cretaceous Campanian North European Plain Hoever FEU-1011761
|  |