| details |
Middle Oligocene |
Late Oligocene |
USSR(Ukrainian SSR) |
Zosimovich,V.Y. A boundary of Oligocene and Miocene in the Boreal Province of the East-European Platform |
1991 |
| details |
Oligocene |
|
USSR(Kazakh SSR) |
Zaporozhets,N.I. Palynocomplex and phytoplankton of the Upper Eocene and Oligocene sediments by stratigraphic Well N3006, (The North-West Priaralie). |
1991 |
| original |
Early Oligocene |
|
USSR(Kazakh SSR) |
Zaklinskaya,E.D. Stratigraphic significance of pollen grains of Gymnosperms of the Cenozoic deposits of the Pavlodar Pri-Irtish and the northern Pri-Aral. |
1957 |
| details |
Late Neogene |
|
USSR(Siberia) |
Volkova,V.S. et al. Palynological evidence for the stratigraphic subdivision and correlation of Continental Paleogene and Neogene Depoits of Southern West Siberia and North Kazakhstan. |
1980 |
| details |
Oligocene |
Late Neogene |
USSR(Siberia) |
Volkova,V.S. et al. Palynological characteristic of Neogene deposits of the Western Siberian Plain. (In: Palynology of the Cenozoic of Siberia. V.S.Volkova, editor) |
1975 |
| details |
Late 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 |
Oligocene |
|
USSR(WSL) |
Volkova,V.S. Variations of climate and history of formation of vegetation in Pliocene-Quaternary time in West Siberia according to Palynologic data |
1966 |
| details |
Middle Eocene |
Late Oligocene |
China(Hopei) |
Sung,T.C. et al. Early Tertiary spores and pollen grains from the Coastal Region of Bohai. |
1978 |
| details |
Early Oligocene |
|
USSR(Kazakh SSR) |
Sung,T.C. et al. Early Tertiary spores and pollen grains from the Coastal Region of Bohai. |
1978 |
| details |
Late Eocene |
|
USSR(Siberia) |
Strepetova,Z.V. et al. The Cenozoic reference section of Yano-Omoloiskoe Interfluve |
1981 |
| details |
Late Oligocene |
Middle Miocene |
USSR(Ukrainian SSR) |
Stotland,A.B. Stratigraphic subdivision and age of Amber-bearing rocks in the northern Slope of the Ukrainian Crystalline Massif according to data of microphytofossil studies |
1990 |
| details |
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 |
|
Alabama |
Oboh,F.E. et al. Early Oligocene palynosequences in the eastern Gulf Coast, USA. |
1994 |
| details |
Early Oligocene |
|
Mississippi |
Oboh,F.E. et al. Early Oligocene palynosequences in the eastern Gulf Coast, USA. |
1994 |
| details |
Rupelian |
|
Mississippi |
Oboh,F.E. et al. Correlation between Sequoia type pollen and Lower Oligocene transgressive deposits in the eastern Gulf Coast. |
1995 |
| details |
Rupelian |
|
Alabama |
Oboh,F.E. et al. Correlation between Sequoia type pollen and Lower Oligocene transgressive deposits in the eastern Gulf Coast. |
1995 |
| details |
Middle Eocene |
|
USSR(Rostov) |
Mikhelis,A.A. Characteristic of pollen and spores and separation of Paleogene sections of the Azov Massive |
1976 |