| details |
Aptian |
|
USSR(Taymyr Nat.Okrug) |
Chirva,S.A. et al. Structure and correlation of continental Early Cretaceous Massive of northern Siberia. (In: Stratigraphy of the Lower Cretaceous deposits in the Petroleum and Gas bearing Regions of the USSR. M.S.Mesezhnikov and A.I.Kirichkova) |
1979 |
| details |
Aptian |
|
USSR(Azerbaijan 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 |
Aptian |
Albian |
USSR(WSL) |
Chlonova,A.F. Form genera of spores and their significance of the correlation of the Late Lower Cretaceous deposits. |
1971 |