| original |
Middle Eocene |
Early Oligocene |
Mississippi |
Frederiksen,N.O. Sporomorphs from the Jackson Group, (Upper Eocene) and adjacent strata of Mississippi and western Alabama. |
1980 |
| original |
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 |
Middle Eocene |
|
Missouri |
Frederiksen,N.O. et al. Biostratigraphy and paleoecology of Lower Paleozoic, Upper Cretaceous and Lower Tertiary rocks in U.S.Geological Survey New Madrid test wells, southeastern Missouri. |
1982 |
| details |
Early Eocene |
Middle Eocene |
Canada(British Columbia) |
Mathews,W.H. et al. The Gang Ranch-Big Bar area, south-central British Columbia: Stratigraphy, geochronology and palynology of the Tertiary Beds and their relationship to the Fraser Fault. |
1984 |
| details |
Late Eocene |
|
Canada(British Columbia) |
Rouse,G.E. et al. Palynology and geochronology of Eocene beds from Cheslatta Falls and Nazko areas, central British Columbia. |
1988 |
| details |
Claiborne |
Early Vicksburg |
USA(Gulf Coast) |
Frederiksen,N.O. Sporomorph biostratigraphy, floral changes, and paleoclimatology, Eocene and Earliest Oligocene of the eastern Gulf Coast. |
1988 |
| details |
Late Eocene |
|
Canada(British Columbia) |
Rouse,G.E. et al. A palynological and geochronological investigation of Mesozoic and Cenozoic rocks in the Chilcotin-Nechako Region of Central British Columbia. (In: Frontier Geoscience Program Cordilleran and offshore Basins, British Columbia) |
1990 |
| details |
Early Oligocene |
|
Mississippi |
Oboh,F.E. et al. Early Oligocene palynosequences in the eastern Gulf Coast, USA. |
1994 |
| 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 |
| details |
Rupelian |
|
Mississippi |
Oboh,F.E. et al. Correlation between Sequoia type pollen and Lower Oligocene transgressive deposits in the eastern Gulf Coast. |
1995 |