| 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 |
Eocene |
|
Japan(Kyushu I.) |
Frederiksen,N.O. Sporomorphs from the Jackson Group, (Upper Eocene) and adjacent strata of Mississippi and western Alabama. |
1980 |
| details |
Paleocene |
Eocene |
USSR(Yakut ASSR) |
Kulkova,I.A. Palynological research of Eocene sediments of Yano-Indirgir Lowland |
1973 |
| original |
Jackson |
Vicksburg |
Mississippi |
Frederiksen,N.O. Stratigraphy and palynology of the Jackson Stage (Upper Eocene), and adjacent strata of Mississippi and Western Alabama. |
1967 |
| original |
Jackson |
Vicksburg |
Alabama |
Frederiksen,N.O. Stratigraphy and palynology of the Jackson Stage (Upper Eocene), and adjacent strata of Mississippi and Western Alabama. |
1967 |