| 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 |
Eocene |
|
Colorado |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| 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 |
|
Wyoming |
Penny,J.S. Late Cretaceous and Early Tertiary palynology. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Campanian |
Maastrichtian |
Kansas |
Lammons,J.M. The palynology and paleoecology of the Pierre Shale, (Campanian - Maestrichtian), of northwestern Kansas and Environs. |
1969 |
| details |
Lutetian |
|
California |
Frederiksen,N.O. et al. Middle Eocene palynomorphs from San Diego, California;Part I:Introduction, spores and Gymnosperm pollen. |
1983 |
| details |
Nd |
|
China(Guizhou) |
Lei,Z.-Q. Tertiary sporo-pollen assemblage of Zhujiangkou, (Pearl River North), Basin and it stratigraphic significance. |
1985 |
| details |
Egerian |
Sarmatian |
Hungary |
Nagy,E. Sporomorphs of the Neogene in Hungary |
1985 |
| details |
Eocene |
|
China(Kwangtung) |
Jiang,D.-X. Spores and pollen in oils as indicators of lacustrine source rocks. (In: Lacustrine Petroleum source rocks. A.J.Fleet et al, editors) |
1988 |
| details |
Late Eocene |
Early Oligocene |
Pacific(E.China Sea) |
Lei,Z.-Q. The existence of Paleogene sediments in East China Sea Basin by palynological evidence. |
1989 |
| details |
Egerian |
Middle Karpathian |
Hungary |
Nagy,E. A comprehensive study of Neogene sporomorphs in Hungary |
1992 |
| details |
Middle Eocene |
|
China(Kwangsi) |
Jiang,D.-X. et al. Spores and pollen from crude oils of Weizhou Oilfield in Beibu Gulf of South China Sea. |
1999 |