| details |
Late Oligocene |
|
Vermont |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Early Eocene |
Early Pleistocene |
E.Germany(Potsdam) |
Krutzsch,W. Contribution to the spore-paleontology of the Pre-Upper Oligocene-Oligocene Continental and marine Tertiary sediments of Branden. |
1961 |
| details |
Early Miocene |
|
Vermont |
Traverse,A. Palynofloral geochronology of the Brandon Lignite of Vermont, USA. |
1994 |
| details |
Late Oligocene |
|
Vermont |
Traverse,A. Palynofloral geochronology of the Brandon Lignite of Vermont, USA. |
1994 |