| details |
Paleocene |
Eocene |
North Dakota |
Kremp,G.O.W. et al. Some problems in the taxonomy of the Tertiary pollen and spores of North and South Dakota. |
1961 |
| details |
Paleocene |
Eocene |
South Dakota |
Kremp,G.O.W. et al. Some problems in the taxonomy of the Tertiary pollen and spores of North and South Dakota. |
1961 |
| details |
Eocene |
|
Burma |
Potonie,R. Study of spores of the Eocene Coal of Kalewa in Burma |
1960 |
| details |
Eocene |
|
Colorado |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Paleocene |
|
South Dakota |
Gerhard,J.E. Paleocene miospores from the Slim Buttes area, Harding County, South Dakota. |
1958 |
| 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 |