| details |
Early Miocene |
Middle Miocene |
California |
Barnett,J. Palynology and paleoecology of the Tertiary Weaverville Formation, Northwestern California, USA. |
1989 |
| details |
Late Oligocene |
Early Miocene |
Atlantic(Bahamas) |
Oboh-Ikuenobe,F.E. et al. Mid-Tertiary palynomorphs from DSDP Holes 94 and 98 (Gulf of Mexico and Bahama Platform). |
1998 |
| 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 |
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 |