| details |
Sabinian |
|
USA(Gulf Coast) |
Frederiksen,N.O. Sporomorph biostratigraphy, floral changes, and paleoclimatology, Eocene and Earliest Oligocene of the eastern Gulf Coast. |
1988 |
| details |
Midway |
|
South Carolina |
Frederiksen,N.O. Midwayan (Paleocene) pollen correlations in the eastern United States |
1991 |
| details |
Midway |
Early Sabinian |
Missouri |
Frederiksen,N.O. Midwayan (Paleocene) pollen correlations in the eastern United States |
1991 |
| original |
Danian |
Thanetian |
Virginia |
Frederiksen,N.O. Paleogene sporomorph biostratigraphy, Northeastern Virginia. |
1979 |