| original |
Late Oligocene |
|
USSR(WSL) |
Lyubomirova,K.A. Pollen of Nelumbo and certain Nymphaeaceae from the Oligocene of the Western Siberian Lowland. |
1967 |
| details |
Late Eocene |
|
USSR(Yamalo-Nenets) |
Lyubomirova,K.A. The palynological characteristics of the Chegansk horizon of North West Siberia. (In: Palynological Studies. Collected Articles. S.R.Samoilovich, editor) |
1976 |
| details |
Miocene |
|
Washington |
Barnett,J. et al. Palynology and paleoecology of a sedimentary interbed in the Yakima Basalt, (Miocene), Palouse Falls, Washington. |
1980 |