| details |
Late Eocene |
|
USSR(Yamalo-Nenets) |
Lyubomirova,K.A. The palynological characteristics of the Chegansk horizon of North West Siberia. (In: Palynological Studies. Collected Articles. S.R.Samoilovich, editor) |
1976 |
| details |
Late Paleocene |
Early Eocene |
USSR(Siberia) |
Levina,A.P. et al. Cenozoic deposits in the West and South-West of the Siberian Platform |
1980 |
| details |
Late Paleocene |
Eocene |
USSR(Krasnoyarsk Kray) |
Kulkova,I.A. et al. The palynology of Paleogene bauxite-bearing formations of the Yenisei Ridge. (In: Palynology of the Cenozoic of Siberia. V.S.Volkova, editor) |
1975 |
| details |
Late Eocene |
|
USSR(Kazakh SSR) |
Velikiy,N.M. New paleontological data on the limits of Oligocene deposits within the area North of the Aral Sea |
1973 |
| 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 |