| original |
Middle Miocene |
|
Massachusetts |
Frederiksen,N.O. Stratigraphic, paleoclimatic and paleobiogeographic significance of Tertiary sporomorphs from Massachusetts |
1984 |
| original |
Eocene |
|
Canada(Arctic) |
Miall,A.D. Late Cretaceous and Tertiary Basin development and sedimentation, Arctic Islands;Chapter 15. (In: Geology of the Innuitian Orogen and Arctic Platform of Canada and Greenland -H.P.Trettin-Editor) |
1991 |
| original |
Late Eocene |
Early Oligocene |
Canada(British Columbia) |
Rouse,G.E. Paleocene palynomorph ranges in western and northern Canada. |
1977 |
| original |
Middle Eocene |
|
Colorado |
Wodehouse,R.P. Tertiary pollen II. The oil shales of the Eocene Green River Formation |
1933 |
| original |
Middle Eocene |
|
Utah |
Wodehouse,R.P. Tertiary pollen II. The oil shales of the Eocene Green River Formation |
1933 |