| details |
Eocene |
Late Neogene |
W.Germany |
Potonie,R. Revision of stratigraphically important sporomorphs of the Middle European Tertiary. |
1951 |
| details |
Late Pliocene |
|
Netherlands |
Florschutz,F. et al. The paleobotanical boundary Pliocene-Pleistocene in the Netherlands |
1950 |
| original |
Miocene |
|
Poland |
Kremp,G.O.W. Pollen analysis of the Miocene Brown Coal Bed of Konin on the Warthe River. |
1949 |
| details |
Late Tertiary |
|
Germany(Schleswig) |
Thomson,P.W. Contribution to the micropaleontology and history of Late Tertiary Forests of Niedersachsen and Schleswig-Holstein |
1948 |
| details |
Late Cretaceous |
Tertiary |
Brazil |
Thiergart,F. Pollen analysis of the Service of Brown Coal research. |
1940 |
| details |
Miocene |
|
Germany |
Kirchheimer,F. Outline of the botany of the German Brown Coals |
1937 |
| details |
Late Tertiary |
|
W.Germany(Hesse) |
Kirchheimer,F. Pollen of the Upper Tertiary Browncoal in Salzhausen, (Oberhessen). |
1932 |