| details |
Late Oligocene |
Early Miocene |
USSR(Tomskaya Oblast) |
Kulkova,I.A. Spore and pollen assemblages of Tertiary deposits in the Tomsk Region of the Ob' Valley. (In: Taxonomy and Methods for the Study of Fossl Pollen and Spores. V.N. Saks and A.F. Khlonova, editors) |
1964 |
| details |
Late Neogene |
|
USSR(WSL) |
Ivanova,E.A. et al. Pliocene. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| details |
Late Oligocene |
|
USSR(WSL) |
Filippova,E.A. Late Oligocene. (In: Stratigraphy of Mesozoic and Cenozoic Periods of Western Siberian Lowland. E.A.Filippova, editor) |
1957 |
| details |
Late Neogene |
|
USSR(WSL) |
Filippova,E.A. Pliocene. (In: Stratigraphy of Mesozoic and Cenozoic Periods of Western Siberian Lowland. E.A.Filippova, editor) |
1957 |
| details |
Early Miocene |
|
USSR(Kazakh SSR) |
Boytsova,E.P. et al. Miocene spore-pollen complexes of the Turgay Depression (North of the Aral Sea, Southern USSR). |
1956 |
| details |
Early Miocene |
|
USSR(Kazakh SSR) |
Boytsova,E.P. Short description of spores and pollen from Miocene deposits of Turgay Basin |
1956 |
| details |
Early Oligocene |
Middle Oligocene |
USSR(Ukrainian SSR) |
Blank,M.Y. et al. On Upper Eocene and Oligocene Formations of the north-eastern Ukraine. |
1980 |