| original |
Middle Eocene |
Early Oligocene |
Alabama |
Frederiksen,N.O. New Mid-Tertiary spores and pollen grains from Mississippi and Alabama |
1973 |
| original |
Middle Eocene |
Early Oligocene |
Mississippi |
Frederiksen,N.O. New Mid-Tertiary spores and pollen grains from Mississippi and Alabama |
1973 |
| details |
Jackson |
|
USA(Gulf of Mexico) |
Frederiksen,N.O. Affinities of Late Eocene spores and pollen grains from southeastern North America. |
1977 |
| details |
Late Thanetian |
Ypresian |
Virginia |
Frederiksen,N.O. Paleogene sporomorph biostratigraphy, Northeastern Virginia. |
1979 |
| 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 |
Late Thanetian |
Late Ypresian |
Virginia |
Gibson,T.G. et al. Biostratigraphy of the Tertiary strata of the core. |
1980 |
| details |
Early Danian |
|
Denmark |
Kedves,M. Palynological investigations on sediments of the Lower Danian (Fish Clay, Denmark).II. |
1980 |
| details |
Thanetian |
Ypresian |
Virginia |
Frederiksen,N.O. Rates of floral turnover and diversity change in the fossil record. |
1991 |
| details |
Late Paleocene |
Early Eocene |
Louisiana |
Gregory,W.A. et al. Distribution of pollen and spores in a subsurface marine Wilcox (Paleocene-Eocene) section in Southwest Louisiana |
1995 |
| details |
Maastrichtian |
|
Egypt |
Kedves,M. Upper Cretaceous spores from Egypt |
1995 |