| details |
Middle Oligocene |
Late Oligocene |
USSR |
Boytsova,E.P. et al. Spore-pollen complexes of Tertiary (Paleogene and Neogene) deposits in USSR. (In: Pre-Quaternary Micropaleontology) |
1960 |
| details |
Middle Eocene |
|
USSR(Kazakh SSR) |
Boytsova,E.P. et al. Spore and pollen complexes of Paleogene and Neogene deposits of the USSR. |
1960 |
| details |
Late Eocene |
|
USSR(Kazakh SSR) |
Boytsova,E.P. et al. Spore and pollen complexes of Paleogene and Neogene deposits of the USSR. |
1960 |
| details |
Santonian |
|
USSR(Urals) |
Agranovskaya,I.A. et al. Upper Cretaceous spore-pollen complexes of the eastern Slopes of the northern and Central Urals and the Trans Urals. (In: Atlas of Upper Cretaceous, Paleocene and Eocene spore-pollen complexes of various Regions of the USSR). |
1960 |
| details |
Middle Eocene |
Late Eocene |
USSR(Buryat ASSR) |
Pavlov,S.F. et al. Cenozoic weathering crusts and sedimentary formations in Western Transbaykalia. |
1976 |