| details |
Oligocene |
Middle Miocene |
W.Germany(N.Rhine) |
Stolz,G. Plant ecosystem of the Rhine Browncoal and their succession in special reference to the Bright Layers. |
1954 |
| details |
Early Miocene |
|
W.Germany(N.Rhine) |
Neuy-Stolz,G. The flora of the Lower Rhine Basin during the formation of the main seam with special attention to the pollen and fungus remnants in the light layers. |
1958 |
| details |
Reuverian |
|
W.Germany(Hesse) |
Mohr,B.A.R. The microflora of the Lower Pliocene of Willershausen (Kreis Northeim, Niedersachsen). |
1986 |