| details |
Cenomanian |
|
USSR(Kazakh SSR) |
Boytsova,E.P. Upper Cretaceous spore-pollen complexes of the Turgay Depressions. (In: Atlas of Upper Cretaceous, Paleocene and Eocene spore-pollen complexes of various Regions of the USSR). |
1960 |
| details |
Middle Eocene |
|
USSR(Ukrainian SSR) |
Boytsova,E.P. et al. The method of Interregional correlations, Eocene deposits of some Regions of the USSR being an example (according to palyological data). (In: Palynology, Method and Stratigraphy) |
1973 |
| details |
Early Oligocene |
|
USSR(Kazakh SSR) |
Bronevoy,V.A. et al. Correlation of Oligocene deposits of different facies in Western Kazakhstan. (In: Geology and Useful Fossils from the Turgai Basin) |
1971 |
| details |
Late Paleocene |
|
USSR(Siberia) |
Levina,A.P. et al. Cenozoic deposits in the West and South-West of the Siberian Platform |
1980 |
| original |
Cenomanian |
Turonian |
USSR(Kazakh SSR) |
Romanovskaya,G.M. et al. Short description of spores and pollen from Upper Cretaceous deposits of the Turgay Basin. (In: Atlas of Upper Cretaceous, Paleocene and Eocene spore-pollen complexes of various Regions of the USSR). |
1960 |
| details |
Late Eocene |
Oligocene |
USSR(Kazakh SSR) |
Zhezhel,O.N. The boundary between Eocene and Oligocene deposits at North Ustyurt (according to palynological data). (In: Palynology, Method and Stratigraphy) |
1973 |