| original |
Late Eocene |
|
Mississippi |
Frederiksen,N.O. Sporomorphs from the Jackson Group, (Upper Eocene) and adjacent strata of Mississippi and western Alabama. |
1980 |
| details |
Late Eocene |
|
USSR(Caucasus) |
Panova,L.A. Palynology of Paleogene deposits of the Causacus. (In: Palynology in the USSR. A.F.Chlonova, editor) |
1988 |
| details |
Early Oligocene |
|
USSR(Caucasus) |
Bugrova,E.M. et al. On the Zonal differentiation of the Paleogene in the Southern Regions of the USSR |
1988 |
| details |
Early Oligocene |
|
USSR(Kazakh SSR) |
Panova,L.A. et al. Palynostratigraphy of Paleogene deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |
| details |
Rupelian |
|
Mississippi |
Oboh,F.E. et al. Correlation between Sequoia type pollen and Lower Oligocene transgressive deposits in the eastern Gulf Coast. |
1995 |