details |
Bajocian |
Bathonian |
USSR(Kirov) |
Dubeykovskiy,S.G. Marine Middle Jurassic deposits in the northeastern part of the Russian Platform. |
1968 |
details |
Aptian |
Albian |
USSR(WSL) |
Teslenko,Y.V. et al. Lower Cretaceous flora of the Western Siberian Lowlands. |
1962 |
details |
Aptian |
Albian |
USSR(Yakut ASSR) |
Boltenhagen,E. State of knowledge of Lower Cretaceous palynology |
1966 |
details |
Albian |
|
USSR(Kazakh SSR) |
Menner,V.V. The spore-pollen analysis method of direct correlation of strata of diverse facies. Chapter 2: Biostratigraphic principles of correlation of marine, lagoon and continental formations. |
1962 |
details |
Albian |
Cenomanian |
USSR(WSL) |
Golbert,A.V. et al. Paleolandscapes of West Siberia in Jurassic, Cretaceous, and Paleogene. |
1968 |