| details |
Late Oligocene |
|
Vermont |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Miocene |
|
Texas |
Ebtehadj,K. Palynology of the subsurface Frio Formation, in Liberty and Chambers Counties, Texas. |
1969 |
| details |
Jackson |
|
USA(Gulf of Mexico) |
Frederiksen,N.O. Affinities of Late Eocene spores and pollen grains from southeastern North America. |
1977 |
| details |
Middle Eocene |
Late Eocene |
Mississippi |
Frederiksen,N.O. Sporomorphs from the Jackson Group, (Upper Eocene) and adjacent strata of Mississippi and western Alabama. |
1980 |
| details |
Middle Eocene |
Late Eocene |
Alabama |
Frederiksen,N.O. Sporomorphs from the Jackson Group, (Upper Eocene) and adjacent strata of Mississippi and western Alabama. |
1980 |
| details |
Eocene |
Oligocene |
South Carolina |
Frederiksen,N.O. Paleogene sporomorphs from South Carolina and quantitative correlations with the Gulf Coast. |
1980 |