| details |
Oligocene |
|
W.Germany(Hesse) |
Murriger,F. et al. Dating of a Hessische Brown Coal by pollen analysis. |
1955 |
| details |
Oligocene |
|
Czechoslovakia |
PacltovŠ,B. et al. The Oligocene pollen association in the Beds overlying the basalt effusion in the Cheb Basin. |
1958 |
| details |
Middle Oligocene |
|
W.Germany(Hesse) |
Holtz,S. Investigation of the Oligocene spore stratigraphy of Hesse, (West Germany). |
1962 |
| details |
Eocene |
Miocene |
Czechoslovakia |
Samuel,O. et al. Microbiostratigraphic and palynologic correlation study of the Carpathian Paleogene. |
1962 |