| details |
Santonian |
|
USSR(Kazakh SSR) |
Zagoruiko,V.A. et al. Stratigraphy and spore pollen complexes of Upper Cretaceous deposits of Kyzlkum |
1965 |
| details |
Danian |
|
USSR(Armenian SSR) |
Zaklinskaya,E.D. et al. More information on the Danian flora. |
1968 |
| details |
Late Cretaceous |
Early Paleocene |
USSR(Pavlodarskaya) |
Zaklinskaya,E.D. Material on the history of the flora and vegetation of the Paleogene of northern Kazakhstan in the area of Pavlodar Pr-Irtish. |
1953 |
| details |
Early Oligocene |
|
USSR(Ukrainian SSR) |
Zosimovich,V.Y. et al. The boundary between Upper Eocene and Oligocene in the Kiev Dnieper area as based on palynological data. |
1979 |