| details |
Early Oligocene |
Middle Oligocene |
USSR(Gurevskaya) |
Kozyar,L.A. et al. Palynologic evidence for the stratigraphic sequence of Maykop deposits in South Mangyshlak. |
1962 |
| details |
Early Miocene |
|
USSR(Gurevskaya) |
Kozyar,L.A. et al. Palynologic evidence for the stratigraphic sequence of Maykop deposits in South Mangyshlak. |
1962 |
| details |
Middle Oligocene |
|
USSR(Kazakh SSR) |
Polukhina,V.A. Oligocene spore-pollen complexes of the northern part of the Turgay Basin |
1956 |
| details |
Late Eocene |
|
USSR(Kazakh SSR) |
Zaklinskaya,E.D. Spore-pollen spectra of the Upper Eocene of northern Priaral |
1954 |
| details |
Paleocene |
|
Germany |
Potonie,R. State of the micropaleobotanic stratigraphy of the Tertiary |
1948 |