| details |
Maastrichtian |
|
USSR(WSL) |
Chlonova,A.F. Spores and pollen of the upper half of the Upper Cretaceous of the eastern part of the Western Siberian Lowland. |
1961 |
| details |
Aptian |
Albian |
USSR(WSL) |
Ivanova,E.A. et al. Pollen and spores of Western Siberia; Jurassic to Paleocene. |
1961 |
| original |
Cenomanian |
Turonian |
USSR(WSL) |
Chlonova,A.F. The composition in species of spores and pollen in the deposits of the Upper Cretaceous of the Chulym-Yenisyei Lowlands. |
1960 |
| original |
Paleocene |
Danian |
USSR(WSL) |
Chlonova,A.F. The composition in species of spores and pollen in the deposits of the Upper Cretaceous of the Chulym-Yenisyei Lowlands. |
1960 |