| details |
Miocene |
|
E.Germany |
Hunger,R. On the facies of Coal. |
1953 |
| details |
Late Miocene |
|
Poland |
Mamczar,J. Standard spore-pollen section of the Upper Miocene Brown Coal in Central Poland, (Rogozno Brown Coal deposit). |
1961 |
| details |
Late Eocene |
|
Bulgaria |
Chernyavska,S. Characteristics of the spore and pollen assemblages from the Upper Eocene Coals in eastern Bulgaria |
1967 |
| details |
Paleogene |
Neogene |
Poland |
Grabowska,I. Flora of the Palaeogene and the Neogene. (In: Catalogue of Fossil. Part 3A. Cainozoic, Tertiary. J.Czerminski, editor) |
1977 |