| details |
Paleocene |
Oligocene |
USSR(Siberia) |
Zaklinskaya,E.D. Principles of paleofloral differentiation of Cenozoic deposits in the Kazakhstan and Adjoining Parts of the West Siberian Plain |
1959 |
| details |
Oligocene |
|
USSR(Urals) |
Agranovskaya,I.A. et al. Oligocene spore-pollen complexes of the northern and Middle Urals |
1956 |
| details |
Early Oligocene |
|
USSR(Kazakh SSR) |
Polukhina,V.A. Oligocene spore-pollen complexes of the northern part of the Turgay Basin |
1956 |
| 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 |
Oligocene |
|
USSR(Caucasus) |
Chiguryaeva,A.A. Contributions to the Oligocene flora of the Maykop Formation, Caucasus (spores and pollen). |
1951 |