| details |
Middle Eocene |
|
Wyoming |
Leopold,E.B. et al. Development and affinites of Tertiary floras in the Rocky Mountains |
1972 |
| details |
Early Pliocene |
|
Wyoming |
Leopold,E.B. et al. Development and affinites of Tertiary floras in the Rocky Mountains |
1972 |
| details |
Early Eocene |
Middle Eocene |
Wyoming |
Fisk,L.H. et al. Plant microfossils from the Yellowstone Fossil Forests: Preliminary report. |
1974 |
| details |
Paleocene |
Eocene |
Wyoming |
Tschudy,R.H. Pollen changes near the Fort Union-Wasatch boundary, Powder River Basin. |
1976 |
| details |
Late Paleocene |
|
Wyoming |
Blackstone,D.L. Late Cretaceous and Cenozoic history of Laramie Basin Region, South-East Wyoming. |
1975 |
| details |
Eocene |
|
Wyoming |
Fisk,L.H. Palynology and paleoecology of the Eocene "Fossil Forest" of Yellowstone National Park, Wyoming, USA. |
1976 |
| details |
Torrejonian |
Tiffanian |
Wyoming |
Manchester,S.R. et al. Reproductivity and vegetative morphology of Polyptera (Juglandaceae) from the Paleocene of Wyoming and Montana |
1997 |
| details |
Paleocene |
|
Wyoming |
Flores,R.M. Geological and geomorphic controls of Coal development in some Tertiary Rocky Mountain Basins, USA |
1993 |
| details |
Pannonian |
|
Yugoslavia |
Budnar-Tregubov,A. Micropaleobotanical research of the coals from Locevje and Kanizarnica in Slovenia. |
1961 |
| details |
Early Pliocene |
|
Yugoslavia |
Pantic,N.K. et al. The Lower Pliocene swamp vegetation of the Kolubara Bay and the genesis of the Coal Seam. |
1967 |
| details |
Early Pliocene |
|
Yugoslavia |
Ercegovac,M. Palynologic and petrologic characteristics and the genesis of Coal in the Kreka Basin. |
1970 |