| details |
Miocene |
Late Neogene |
USSR(Siberia) |
Volkova,V.S. et al. Palynological characteristic of Neogene deposits of the Western Siberian Plain. (In: Palynology of the Cenozoic of Siberia. V.S.Volkova, editor) |
1975 |
| details |
Late Oligocene |
Middle Pliocene |
USSR(Siberia) |
Volkova,V.S. et al. The climate of the Late Oligocene and Neogene (from paleobotanical data). (In: Climates of the Earth in the Geological Past. A.A.Velichko and A.L.Chepalyga, editors) |
1987 |
| details |
Pontian |
|
USSR(Kazakh SSR) |
Zhidovinov,N.Y. et al. Biostratigraphy and correlation of Neogene deposits of the north-eastern Paratethys. |
1979 |