| 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 |
Early Pliocene |
Middle Pliocene |
Japan(Shikoku I.) |
Nakamura,J. Fossil pollen in the Nahari Lignite. |
1951 |
| 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 |
Middle Eocene |
|
Colorado |
Krutzsch,W. Atlas of Middle and Upper Tertiary dispersed spores and pollen as well as microplankton of northern Middle Europe 6. Coniferae pollen (Saccites and Inaperturates) |
1971 |
| details |
Miocene |
|
Poland |
Ziembinska-Tworzydlo,M. Palynological characteristics of the Neogene of Western Poland. |
1974 |