| details |
Barremian |
|
USSR(Nenets Nat.Okrug) |
Thedorova,V.A. Microphytoplankton from the Early Cretaceous Epicontinental Seas of the European part of the USSR. |
1979 |
| details |
Barremian |
Early Aptian |
USSR(Kazakh SSR) |
Fedorova,V.A. The role of organic microphyloplancton in correlating separate sections (On first studies of Apt deposits of northern Pre-Caspian). (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
| details |
Barremian |
|
USSR(Tambov) |
Vozzhennikova,T.F. Fossil dinoflagellates from Jurassic, Cretaceous, and Paleogene deposits of the USSR. |
1967 |