| details |
Late Cretaceous |
|
France(Normandie) |
Deflandre,G. et al. Preliminary note on the microfossils from the Cretaceous flint of Cambresis. |
1939 |
| details |
Late Senonian |
|
Denmark |
Wetzel,O. Micropaleontological investigation of the Upper Senonian chalk from Stevns Klint-Kridtbrud on the Danish Seeland Island, and reference to flint boulders. |
1940 |
| details |
Senonian |
|
France(Loir-et-Cher) |
Deflandre,G. Microfossils from some chert of the White Chalk of Vendome. |
1940 |
| details |
Maastrichtian |
|
Belgium |
Conrad,W. Notes on protistologiques, XIX. Some microfossils of the Cretaceous Flint. |
1941 |
| details |
Late Cretaceous |
|
Germany(Schleswig) |
Wetzel,W. The Upper Cretaceous Beds of Barsbek near Hemmoor |
1942 |
| original |
Maastrichtian |
|
Netherlands |
de Wit,R. Hystrichosphaeridae of the Limburg Flint. |
1943 |
| details |
Senonian |
|
Nd |
Deflandre,G. The problem of Hystrichospheres. |
1947 |
| details |
Late Albian |
|
W.Germany(Schleswig) |
Wetzel,O. Micropaleontologic find in rock samples of a Holstein core, especially in Cretaceous and Keuper Layers. |
1948 |
| details |
Ypresian |
|
Belgium |
Pastiels,A. Contribution to the study of microfossils of the Belgian Eocene. |
1948 |
| details |
Early Oligocene |
|
W.Germany(Rhineland) |
Kirchheimer,F. Microfossils from Salt deposits of the Tertiary. |
1950 |
| details |
Early Cenomanian |
|
France(Aisne) |
Firtion,F. The Lower Cenomanian of Nouvion-en-Thi©rache -a micropaleontological examination. |
1952 |
| original |
Danian |
|
Europe |
Wetzel,W. Contribution to the knowledge of Danian marine plankton. |
1952 |
| original |
Danian |
|
Europe |
Wetzel,W. Contribution to the knowledge of Danian marine plankton. |
1952 |
| details |
Senonian |
|
Nd |
Deflandre,G. Groups Incertae Sedis.Hystrichospheres. chitinozoans. |
1952 |
| details |
Oligocene |
|
Germany |
Gocht,H. Hystrichospheres and other microorganisms in Oligocene deposits of North and Central Germany. |
1952 |
| details |
Oligocene |
|
Germany |
Gocht,H. Hystrichospheres and other microorganisms in Oligocene deposits of North and Central Germany. |
1952 |
| details |
Oligocene |
Quaternary |
Australia(Victoria) |
Cookson,I.C. Records of the occurrence of Botryococcus braunii, Pediastrum and the Hystrichosphaerideae in Cainozoic deposits of Australia. |
1953 |