| details |
Middle Eocene |
Early Oligocene |
Alabama |
Frederiksen,N.O. Sporomorphs from the Jackson Group, (Upper Eocene) and adjacent strata of Mississippi and western Alabama. |
1980 |
| details |
Danian |
Ypresian |
Alabama |
Fairchild,W.W. et al. Characteristic palynomorphs of the Lower Tertiary in the Gulf Coast. |
1969 |
| details |
Late Eocene |
Early Oligocene |
Alabama |
Oboh,F.E. et al. Late Eocene-Early Oligocene paleofloristic patterns in Southern Mississippi and Alabama, Us Gulf Coast |
1996 |
| details |
Early Oligocene |
|
Alabama |
Oboh,F.E. et al. Early Oligocene palynosequences in the eastern Gulf Coast, USA. |
1994 |
| details |
Rupelian |
|
Alabama |
Oboh,F.E. et al. Correlation between Sequoia type pollen and Lower Oligocene transgressive deposits in the eastern Gulf Coast. |
1995 |