| details |
Oligocene |
|
Vermont |
Traverse,A. et al. Micropaleontology of the Brandon Lignite, an Early Tertiary Coal in Central Vermont |
1953 |
| details |
Early Miocene |
|
W.Germany(N.Rhine) |
Neuy-Stolz,G. The flora of the Lower Rhine Basin during the formation of the main seam with special attention to the pollen and fungus remnants in the light layers. |
1958 |
| details |
Eocene |
Oligocene |
England |
Chandler,M.E.J. The Lower Tertiary floras of Southern England. 4. A summary and survey of findings in the light of recent botanical observatins. |
1964 |
| details |
Miocene |
|
Germany |
Leopold,E.B. Late Cenozoic palynology. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |