| details |
Late Oligocene |
Early Miocene |
USSR(WSL) |
Shatskii,S.B. Determination of the Paleogene - Neogene boundary in the West Siberian Lowlands, based on palynologic data. In: (Materialy po Stratigrafii i Paleontologii Sibiri.) |
1969 |
| details |
Late Santonian |
Early Campanian |
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 |
Albian |
|
USSR(Nenets Nat.Okrug) |
Gryazeva,A.S. Palynological basis for the stratigraphy of Lower Cretaceous deposits of the Pechorsk Basin. (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
| original |
Late Maastrichtian |
|
Canada(Alberta) |
Jerzykiewicz,T. et al. The Cretaceous-Tertiary boundary in the Central Alberta Foothills. I. Stratigraphy. |
1986 |
| details |
Badenian |
|
Romania |
Roman,S. et al. Considerations on the Badenian flora of Romania |
1986 |
| details |
Nd |
|
Romania |
Roman,S. et al. Considerations on the Badenian flora of Romania |
1986 |