| details |
Middle Miocene |
Late Miocene |
USSR(Uzbek SSR) |
Sadovskaya,N.A. Stratigraphic separation of Cenozoic deposits of Fergana by palynolocal investigation |
1978 |
| details |
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 |
| details |
Late Eocene |
Early Oligocene |
USSR(WSL) |
Zaklinskaya,E.D. Palynology and climate of past epochs. (In: Climates of the Earth in the Geological Past. A.A.Velichko and A.L.Chepalyga, editors) |
1987 |