| original |
Middle Eocene |
|
Colorado |
Wodehouse,R.P. Tertiary pollen II. The oil shales of the Eocene Green River Formation |
1933 |
| details |
Middle Eocene |
|
Utah |
Wodehouse,R.P. Tertiary pollen II. The oil shales of the Eocene Green River Formation |
1933 |
| details |
Middle Eocene |
|
Colorado |
Nichols,D.J. North American and European species of Momipites ("Engelhardtia"), and related Genera. |
1973 |
| details |
Eocene |
|
USSR(Tuvinskaya A.O.) |
Rozenberg,L.I. To stratigraphy of Paleogene-Neogene sediments of Central and Western Tuva |
1979 |
| details |
Eocene |
|
North America |
Nichols,D.J. et al. Holotypes of the Wodehouse pollen species from the Green River Formation, (Eocene), of western North America. |
1980 |