| details |
Middle Eocene |
Early Oligocene |
Mississippi |
Frederiksen,N.O. Sporomorphs from the Jackson Group, (Upper Eocene) and adjacent strata of Mississippi and western Alabama. |
1980 |
| 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 |
Ypresian |
|
Georgia |
Frederiksen,N.O. Lower Tertiary sporomorph biostratigraphy |
1980 |
| details |
Lutetian |
|
Alabama |
Frederiksen,N.O. Lower Tertiary sporomorph biostratigraphy |
1980 |
| details |
Claiborne |
|
USA(Gulf Coast) |
Frederiksen,N.O. Sporomorph biostratigraphy, floral changes, and paleoclimatology, Eocene and Earliest Oligocene of the eastern Gulf Coast. |
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 |
Middle Eocene |
|
Texas |
Jones,J.G. et al. Pollen and spores from the type section of the Middle Eocene Stone City Formation, Burleson County, Texas. |
1991 |
| details |
Middle Eocene |
|
Cuba |
Graham,A. et al. Studies in Neotropical paleobotany. XIV. A palynofloral from the Middle Eocene Saramaguacan Formation of Cuba. |
2000 |
| details |
Sabinian |
Lutetian |
Georgia |
Frederiksen,N.O. Pollen biostratigraphy of Lower Tertiary sediments from five cores from Screven and Burke Counties, Georgia. |
2001 |