| details |
Valanginian |
|
USSR(Urals) |
Malyavkina,V.S. Spore and pollen complexes of Mesozoic deposits of the South-East of the Russian Platform (Emba and West Urals) |
1956 |
| details |
Cenomanian |
|
USSR(Taymyr Nat.Okrug) |
Samoilovich,S.R. Microphytofossils of the Upper Cretaceous of the Katansk Basin and the correlation of Late Cretaceous sediments in northern USSR. (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
| details |
Late Vendian |
|
USSR(Russian Platform) |
Fedorov,D.L. The stratigraphy and hydrocarbon potential of the Riphean-Vendi (Middle-Late Proterozoic) succession on the Russian Platform |
1997 |