| details |
Early Eocene |
Middle Eocene |
Poland |
Grabowska,I. Paleogene in Bore Hole Szczecin IG-1 in the light of spore and pollen analysis. |
1968 |
| details |
Paleocene |
Eocene |
Poland |
Grabowska,I. Stratigraphy of Palaeogene sediments in the Polish Lowlands in the light of research on microflora. |
1974 |
| details |
Paleogene |
Neogene |
Poland |
Grabowska,I. Flora of the Palaeogene and the Neogene. (In: Catalogue of Fossil. Part 3A. Cainozoic, Tertiary. J.Czerminski, editor) |
1977 |
| details |
Early Tertiary |
Danian |
Romania |
Givulescu,R. Fossil flora of Roumania. Second Supplement, Second Part. |
1974 |
| details |
Middle Ypresian |
|
Virginia |
Gibson,T.G. et al. Biostratigraphy of the Tertiary strata of the core. |
1980 |
| details |
Late Ypresian |
|
Virginia |
Frederiksen,N.O. Paleogene sporomorph biostratigraphy, Northeastern Virginia. |
1979 |
| details |
Paleocene |
Oligocene |
South Carolina |
Frederiksen,N.O. Paleogene sporomorphs from South Carolina and quantitative correlations with the Gulf Coast. |
1980 |
| details |
Ypresian |
|
Georgia |
Frederiksen,N.O. Lower Tertiary sporomorph biostratigraphy |
1980 |
| details |
Ypresian |
|
Alabama |
Frederiksen,N.O. Lower Tertiary sporomorph biostratigraphy |
1980 |
| details |
Eocene |
|
Alabama |
Frederiksen,N.O. et al. Paleocene-Eocene boundary in the eastern Gulf Coast. |
1982 |
| details |
Ypresian |
|
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 |
Middle Miocene |
|
Massachusetts |
Frederiksen,N.O. Stratigraphic, paleoclimatic and paleobiogeographic significance of Tertiary sporomorphs from Massachusetts |
1984 |
| details |
Late Sabinian |
|
USA(Gulf Coast) |
Frederiksen,N.O. Sporomorph biostratigraphy, floral changes, and paleoclimatology, Eocene and Earliest Oligocene of the eastern Gulf Coast. |
1988 |
| details |
Early Eocene |
|
Alabama |
Frederiksen,N.O. Upper Paleocene and Lowermost Eocene Angisperm pollen biostratigraphy of the eastern Gulf coast and Virginia |
1998 |
| details |
Early Eocene |
|
Georgia |
Frederiksen,N.O. Upper Paleocene and Lowermost Eocene Angisperm pollen biostratigraphy of the eastern Gulf coast and Virginia |
1998 |
| details |
Early Eocene |
|
Mississippi |
Frederiksen,N.O. Upper Paleocene and Lowermost Eocene Angisperm pollen biostratigraphy of the eastern Gulf coast and Virginia |
1998 |
| details |
Ypresian |
|
Virginia |
Frederiksen,N.O. Rates of floral turnover and diversity change in the fossil record. |
1991 |