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 |
details |
Paleocene |
|
South Dakota |
Gerhard,J.E. Paleocene miospores from the Slim Buttes area, Harding County, South Dakota. |
1958 |
details |
Eocene |
|
USA |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
details |
Eocene |
|
Wyoming |
Penny,J.S. Late Cretaceous and Early Tertiary palynology. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
details |
Eocene |
|
USA(Midwest) |
Nichols,D.J. Effects of updated evaluations of Wodehouse's holotypes on taxonomy and nomenclature |
1984 |