| details |
Late Oligocene |
|
USSR(Ukrainian SSR) |
Panova,L.A. Flora and vegetation on the border of the Paleogene and Neogene of the South USSR, (on palynological data). (In: Life on Ancient Continents: Its Establishment and Expansion.) |
1981 |
| details |
Early Miocene |
|
USSR(Ukrainian SSR) |
Mikhelis,A.A. et al. Subdivision of Paleogene - Neogene Beds near the northwest margin of the Donets Basin based on palynologic data. |
1973 |
| details |
Late Sarmatian |
|
USSR(Ukrainian SSR) |
Ananova,E.N. The pollen flora from the Early Sarmation deposits of northern Asov Region and the Lower Don River Basin. |
1973 |
| details |
Oligocene |
Middle Miocene |
USSR(Uzbek SSR) |
Sadovskaya,N.A. Stratigraphic separation of Cenozoic deposits of Fergana by palynolocal investigation |
1978 |
| details |
Paleocene |
Oligocene |
USSR(Uzbek SSR) |
Sikstel,T.A. et al. On the flora past of Central Asia. (In: The Paleobotany of Uzbekistan. T.A.Sikstel, editor) |
1968 |