| details |
Miocene |
|
Germany(Brandenburg) |
Thiergart,F. The flora of the Brown Coals of Reinickendorf, (Berlin). |
1954 |
| details |
Early Miocene |
|
Germany(Rhineland) |
Rein,U. The peripheral and central seam Formations of the Tertiary Syncline in the Lower Rhine Basin. |
1951 |
| details |
Early Miocene |
|
Germany(Rhineland) |
Potonie,R. et al. On the nomenclature and classification of the Neogene sporomorphs (Pollen and spores). on the geology of the Rhine Valle Brown Coal. 1. |
1950 |
| details |
Tertiary |
|
W.Germany(Rhineland) |
Thiergart,F. Pollen floras of the Tertiary Brown Coals of the Lower Rhine Valley. |
1950 |