| details |
Middle Eocene |
Late Eocene |
China(Liaoning) |
Ke et al. Early Tertiary spores and pollen grains from the Coastal Region of Bohai |
1978 |
| details |
Late Paleocene |
Early Eocene |
USSR(Primorsk Kray) |
Gromova,N.S. The Nazimovsk Suite palynocomplex of Southern Primorsk. (In: Paleomikrofitologicheskie issledovaniya dlya tselei stratigrafii. L.A. Panova, editor.) |
1980 |
| details |
Early Oligocene |
|
Russia(Caucasus) |
Krasheninnikov,V.A. et al. Reference sections of the Eocene - Oligocene boundary strata on the territory of the former Soviet Union. The Kuban River section (Northern Caucasus, Russia). (In: Late Eocene-Early Oligocene geological and Biotical events on the Territory of the Former Soviet Union.Part 2: The Regional Geology of the Upper Eocene and Lower Oligocene. (V.A.Krasheninnikov and A.Akhmetiev, editors) |
1996 |