| original |
Albian |
Maastrichtian |
USSR(Taymyr Nat.Okrug) |
Bondarenko,N.M. New species of Upper Cretaceous plants of northern Siberia, based on pollen and spores. |
1966 |
| details |
Late Santonian |
Campanian |
USSR(Taymyr Nat.Okrug) |
Bondarenko,N.M. Spores and pollen of Upper Cretaceous deposits of the Khatangsk Depression |
1967 |
| details |
Campanian |
|
USSR(Krasnoyarsk Kray) |
Bondarenko,N.M. Palynological characteristics of deposits of the Campanian Stage of the Ust-Yenisei Depression |
1969 |
| details |
Cenomanian |
|
USSR(Siberia) |
Chlonova,A.F. Palynological characteristics of Cretaceous Layers in Siberia and the Far East. |
1971 |
| details |
Coniacian |
Santonian |
USSR(Siberia) |
Chlonova,A.F. Palynological characteristics of Cretaceous Layers in Siberia and the Far East. |
1971 |