| details |
Cenomanian |
Turonian |
USSR(WSL) |
Pokrovskaya,I.M. Upper Cretaceous spore-pollen complexes of the Western Siberian Lowlands. (In: Atlas of Upper Cretaceous, Paleocene and Eocene spore-pollen complexes of various Regions of the USSR) |
1960 |
| details |
Middle Eocene |
Early Oligocene |
USSR(Yakut ASSR) |
Strepetova,Z.V. et al. Palynologic Proof of the Early Oligocene age of sediments in the Basin of the Lower Yana, Northern Yakutia. |
1979 |
| details |
Middle Eocene |
|
Utah |
Bradley,W.H. Geology of the Green River Formation and associate Eocene rocks in Southwestern Wyoming and adjacent parts of Colorado and Utah. |
1964 |
| details |
Middle Eocene |
|
Wyoming |
Bradley,W.H. Geology of the Green River Formation and associate Eocene rocks in Southwestern Wyoming and adjacent parts of Colorado and Utah. |
1964 |