| original |
Danian |
Thanetian |
Virginia |
Frederiksen,N.O. Paleogene sporomorph biostratigraphy, Northeastern Virginia. |
1979 |
| details |
Late Danian |
Late Thanetian |
Virginia |
Gibson,T.G. et al. Biostratigraphy of the Tertiary strata of the core. |
1980 |
| details |
Danian |
|
Maryland |
Frederiksen,N.O. Lower Tertiary pollen biostratigraphy Maryland and Virginia. (In: Cretaceous and Tertiary Stratigraphy, Paleontology and Structure, Southwestern Maryland and Northeastern Virginia. N.O.Frederiksen and K.Krafft, editors) |
1984 |
| details |
Thanetian |
|
Virginia |
Frederiksen,N.O. Lower Tertiary pollen biostratigraphy Maryland and Virginia. (In: Cretaceous and Tertiary Stratigraphy, Paleontology and Structure, Southwestern Maryland and Northeastern Virginia. N.O.Frederiksen and K.Krafft, editors) |
1984 |
| details |
Midway |
Early Sabinian |
Missouri |
Frederiksen,N.O. Midwayan (Paleocene) pollen correlations in the eastern United States |
1991 |
| details |
Danian |
Thanetian |
Virginia |
Frederiksen,N.O. Rates of floral turnover and diversity change in the fossil record. |
1991 |
| details |
Late Paleocene |
|
Georgia |
Frederiksen,N.O. Upper Paleocene and Lowermost Eocene Angisperm pollen biostratigraphy of the eastern Gulf coast and Virginia |
1998 |
| details |
Late Paleocene |
|
Alabama |
Frederiksen,N.O. Upper Paleocene and Lowermost Eocene Angisperm pollen biostratigraphy of the eastern Gulf coast and Virginia |
1998 |
| details |
Late Paleocene |
Early Eocene |
Mississippi |
Frederiksen,N.O. Upper Paleocene and Lowermost Eocene Angisperm pollen biostratigraphy of the eastern Gulf coast and Virginia |
1998 |
| details |
Late Paleocene |
Early Eocene |
Virginia |
Frederiksen,N.O. Upper Paleocene and Lowermost Eocene Angisperm pollen biostratigraphy of the eastern Gulf coast and Virginia |
1998 |
| details |
Selandian |
Thanetian |
Georgia |
Frederiksen,N.O. Pollen biostratigraphy of Lower Tertiary sediments from five cores from Screven and Burke Counties, Georgia. |
2001 |