| details |
Late Oligocene |
|
USSR(WSL) |
Merkulova,K.A. About the boundary of the Paleogene and Neogene in West Siberia. (In: Cenozoic Flora of Siberia According to Palynological Data. V.N.Sacks and V.S.Volkova, editors) |
1971 |
| details |
Early Oligocene |
Middle Oligocene |
USSR(Khanty-Mansiysk) |
Volkova,V.S. et al. Palynological characteristic and stratigraphy of Cainozoic deposits from Khanty-Mansijsk area. (In: Mikrofitofossilii i stratigrafiya Mezozzoya i Kainozoya Sibiri. S.B. Shatskiy, editor) |
1988 |
| details |
Early Oligocene |
Middle Oligocene |
USSR(Ukrainian SSR) |
Panova,L.A. The Oligocene of the West Siberian Lowland. (In: Cenozoic Flora of Siberia According to Palynological Data. V.N.Sacks and V.S.Volkova, editors) |
1971 |
| details |
Early Oligocene |
|
USSR(Kazakh SSR) |
Bronevoy,V.A. et al. Correlation of Oligocene deposits of different facies in Western Kazakhstan. (In: Geology and Useful Fossils from the Turgai Basin) |
1971 |
| details |
Middle Oligocene |
|
USSR(Trans-Urals) |
Li,P.F. et al. Continental deposits of the Paleogene and Neogene of the eastern Slopes of the Urals and Trans-Urals |
1967 |
| details |
Middle Oligocene |
|
USSR(Urals) |
Li,P.F. et al. Continental deposits of the Paleogene and Neogene of the eastern Slopes of the Urals and Trans-Urals |
1967 |
| details |
Middle Oligocene |
Late Oligocene |
USSR(Stavropol Kray) |
Pokrovskaya,I.M. The palynological characteristic of the Paleogene of the South of the European part of the USSR. |
1964 |
| details |
Middle Oligocene |
Late Oligocene |
USSR(European) |
Pokrovskaya,I.M. Upper Cretaceous and Paleogene spore and pollen assemblages in the European part of the USSR |
1962 |
| details |
Paleogene |
|
Russia(Novosibirsk) |
|
2004 |