| details |
Middle Eocene |
|
USSR(Georgian SSR) |
Panova,L.A. et al. Miospores and nannoplankton of Eocene-Oligocene deposits of the northern border of the Akhaltsikhskoi Depression. (In: Spores and pollen of Phanerozoic deposits. L.A. Panova et al, editors) |
1984 |
| details |
Early Eocene |
|
USSR(Kazakh SSR) |
Panova,L.A. et al. Palynostratigraphy of Paleogene deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |
| details |
Oligocene |
|
W.Germany(N.Rhine) |
Takahashi,K. et al. Paleogene sporomorphs of the Bergish Area, (West Germany). |
1982 |