| 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 |
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 |
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 |
Thanetian |
Lutetian |
Alabama |
Frederiksen,N.O. Lower Tertiary sporomorph biostratigraphy |
1980 |
| details |
Thanetian |
|
Alabama |
Frederiksen,N.O. Lower Tertiary sporomorph biostratigraphy |
1980 |
| details |
Claiborne |
Vicksburg |
Alabama |
Frederiksen,N.O. Middle Eocene to Early Oligocene plant communities of the Gulf Coast. (In: Communities of the Past. A.J.Boucot and W.B.N.Berry, editors) |
1981 |
| details |
Wilcox |
Claiborne |
Alabama |
Tschudy,R.H. Stratigraphic distribution of significant Eocene palynomorphs of the Mississippi Embayment. |
1973 |
| details |
Claiborne |
Jackson |
Alabama |
Tschudy,R.H. Stratigraphic distribution of significant Eocene palynomorphs of the Mississippi Embayment. |
1973 |
| details |
Late Paleocene |
Early Eocene |
Alabama |
Frederiksen,N.O. Upper Paleocene and Lowermost Eocene Angisperm pollen biostratigraphy of the eastern Gulf coast and Virginia |
1998 |
| details |
Oligocene |
|
Alabama |
Oboh,F.E. et al. Paleoecology of Oligocene palynofloras in the Vicksburg Group, eastern Gulf Coast. |
1994 |
| details |
Middle Albian |
Early Tertiary |
Alaska |
Witmer,R.J. et al. Biostratigraphic correlation of selected test wells of National Petroleum Reserve in Alaska |
1981 |
| details |
Early Miocene |
Middle Miocene |
Alaska |
Wolfe,J.A. Neogene floristic and vegetational history of the Pacific Northwest. |
1969 |
| details |
Early Miocene |
Middle Miocene |
Alaska |
Leopold,E.B. et al. A long pollen sequence of Neogene age, Alaska range. (In: Tertiary Quaternary Boundaries. T.A. Ager et al, editors) |
1994 |
| details |
Middle Miocene |
|
Alaska |
White,J.M. et al. Palynology, paleoclimatology and correlation of Middle Miocene Beds from Porcupine River, (Locality 90-1), Alaska. (In: Tertiary Quaternary Boundaries. T.A. Ager et al, editors) |
1994 |
| details |
Late Oligocene |
Early Miocene |
Alaska |
Fotyanova,L.I. Seldovian of Alaska and its analogues on the Far East. |
1984 |
| details |
Early Miocene |
Middle Miocene |
Alaska |
Fouch,T.D. et al. Miocene and Pliocene lacustrine and fluvial sequences, Upper Ramparts and Canyon Village, Porcupine River, east-central Alaska. |
1994 |
| details |
Neogene |
|
Alaska |
Vandergon,M.A. Microfossil compilation of Mesozoic and Cenozoic units Arctic National Wildlife Refuge, Northeastern Alaska. |
1986 |