| details |
Tertiary |
|
W.Germany(Rhineland) |
Thiergart,F. Pollen floras of the Tertiary Brown Coals of the Lower Rhine Valley. |
1950 |
| details |
Reuverian |
|
W.Germany(Schleswig) |
Thomson,P.W. The age problem of the Brown Coal Bed from the Red Cliff of Sylt Island. |
1955 |
| details |
Middle Eocene |
|
Wyoming |
Bradley,W.H. Geology of the Green River Formation and associate Eocene rocks in Southwestern Wyoming and adjacent parts of Colorado and Utah. |
1964 |
| details |
Maastrichtian |
|
Wyoming |
Kauffman,E.G. A brackish-water biota from the Upper Cretaceous Harebell Formation of Northwestern Wyoming |
1973 |
| details |
Nd |
|
Wyoming |
Blackstone,D.L. Late Cretaceous and Cenozoic history of Laramie Basin Region, South-East Wyoming. |
1975 |
| 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 |
Late Neogene |
|
Yugoslavia |
Pantic,N.K. et al. Supplement to the knowledge of the Pliocene flora of Macedonia. |
1956 |