| details |
Early Oligocene |
|
USSR(Kazakh SSR) |
Polukhina,V.A. Oligocene spore-pollen complexes of the northern part of the Turgay Basin |
1956 |
| details |
Middle Oligocene |
|
USSR(Kazakh SSR) |
Polukhina,V.A. Oligocene spore-pollen complexes of the northern part of the Turgay Basin |
1956 |
| details |
Oligocene |
|
USSR(Caucasus) |
Pokrovskaya,I.M. Plates of spores and pollen from Oligocene deposits of the north-western Caucasus and eastern Pre-Caucasus. |
1956 |
| details |
Early Barremian |
|
China(Heilungkiang) |
Shang,Y.-K. Palynology of the angiospermous fossil-bearing Bed of the Cheng Formation, Jixi, Heilongjiang Province |
1997 |
| details |
Early Cenomanian |
|
France(Aquitaine) |
Meunier,A et al. Geological significance of two Smectite-rich Beds from Lower Cenomanian sediments, northern Aquitaine Basin, France |
1999 |