Lamarck, 1801 Calcarinidae Upper Cretaceous Maastrichtian North European Plain Curfs identified by M. Hesemann 1 / FEU-1001787 | Lamarck, 1801 Calcarinidae Upper Cretaceous Maastrichtian North European Plain Limburg Michael Dietrich identified by M. Hesemann 2 / FEU-1009245 | Lamarck, 1801 Calcarinidae Upper Cretaceous Maastrichtian North European Plain Miscellaneous Localities Michael Dietrich identified by M. Hesemann 3 / FEU-1013678 | Lamarck, 1801 Calcarinidae Upper Cretaceous Maastrichtian North European Plain Miscellaneous Localities Michael Dietrich identified by M. Hesemann 4 / FEU-1015467 |