| details |
Middle Eocene |
Late Eocene |
USSR(Yakut ASSR) |
Kulkova,I.A. Palynological research of Eocene sediments of Yano-Indirgir Lowland |
1973 |
| details |
Middle Eocene |
Late Eocene |
USSR(Siberia) |
Kulkova,I.A. et al. Continental Eocene in the northern part of the Siberian Platform |
1978 |
| details |
Early Oligocene |
|
USSR(Yakut ASSR) |
Strepetova,Z.V. et al. Palynologic Proof of the Early Oligocene age of sediments in the Basin of the Lower Yana, Northern Yakutia. |
1979 |
| details |
Early Tertiary |
|
Arctic Ocean |
Zaklinskaya,E.D. Paleogene flora of the Novosibirsk Islands based on palynological data. |
1980 |
| details |
Late Eocene |
Oligocene |
USSR(Siberia) |
Strepetova,Z.V. et al. The Cenozoic reference section of Yano-Omoloiskoe Interfluve |
1981 |
| details |
Paleocene |
|
USSR(Yakut ASSR) |
Grinenko,O.V. et al. Palynological characteric of Paleogene deposits of the North Kharaulakh. (In: Mikrofitofossilii i stratigrafiya Mezozzoya i Kainozoya Sibiri. S.B. Shatskiy, editor) |
1988 |