| details |
Early Oligocene |
Middle Oligocene |
USSR(Kazakh SSR) |
Boytsova,E.P. Fossil pollen of the Quercus species and its importance for the subdivision of the Paleogene deposits of the of the Western Siberian Lowland and western Kazakhstan. (In: On the Methods in Paleopalynological Studies.) |
1966 |
| details |
Late Oligocene |
|
USSR(Kazakh SSR) |
Panova,L.A. New data on Paleogene and Neogene spore pollen complexes of the Zaisan Depression, (Eastern Kazakhstan). (In: Biostratigraphical Symposium No.1.) |
1965 |
| details |
Early Miocene |
|
USSR(Kazakh SSR) |
Panova,L.A. et al. Palynostratigraphy of Neogene deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |
| details |
Oligocene |
|
USSR(Irkutskaya Oblast) |
Laukhin,S.A. et al. Yenisei-Ridge sediments near the mouth of the Angara River. |
1976 |
| details |
Late Oligocene |
Early Miocene |
USSR(European) |
Korallova,V.V. Palynological boundary of Oligocene and Miocene deposits of the Southern European part of the USSR. |
1980 |
| details |
Neogene |
|
Ukraine |
Mikhelis,A.A. The Neogene spore and pollen assemblages of the Donetz Basin |
1972 |