| details |
Eocene |
|
Japan(Hokkaido I.) |
Tokunaga,S. Fossil pollen and spore from the known coal seams in the Bibai area, Ishikari Coal Field, Hokkaido. |
1955 |
| details |
Early Reuverian |
|
W.Germany(N.Rhine) |
Leschik,G. The origins of the Brown Coal of the Wetterau and its Micro-and Macroflora. |
1956 |
| details |
Early Pontian |
|
USSR(Siberia) |
Milakovic,B.B. Note on the remains of Lower Pontian fossil flora near Uba, western Siberia. |
1970 |
| details |
Badenian |
Pontian |
Poland |
Oszast,J. et al. The Neogene vegetation of the Podhale (West Carpathians, Poland). |
1977 |