| details |
Early Oligocene |
|
USSR(Kazakh SSR) |
Panova,L.A. et al. Palynostratigraphy of Paleogene deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |
| details |
Santonian |
Campanian |
USSR |
Bondarenko,N.M. Angiosperm pollen from Upper Cretaceous deposits of the Western Regions in the central part of the Soviet Arctic. |
1973 |
| details |
Late Paleocene |
Early Eocene |
USSR(Kazakh SSR) |
Sotnikova,M.A. et al. Stratigraphy and palynology of marine Paleogene deposits of Southern Kazakhstan. (In: Palynology in the USSR. A.F.Chlonova, editor) |
1988 |