| details |
Early Tertiary |
|
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 |
Eocene |
Oligocene |
USSR(Siberia) |
Aleksandrova,A.N. et al. Palynoflora of Central Siberia at the Eocene-Oligocene Border |
1985 |
| details |
Oligocene |
|
USSR(Krasnoyarsk Kray) |
Kulkova,I.A. et al. New data on the palynology of Oligocene formations of the Balsko-Rybinka Basin (Lower Angara). (In: Palynology of the Cenozoic of Siberia. V.S.Volkova, editor) |
1975 |
| 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 |
Late Oligocene |
|
Vermont |
Traverse,A. Palynofloral geochronology of the Brandon Lignite of Vermont, USA. |
1994 |