| details |
Oligocene |
|
USSR(Kamchatka Oblast) |
Brattseva,G.M. Spores and pollen. (In: Atlas of fauna and flora of the Neogene sediments of the Far East. V.V.Menner, editor) |
1984 |
| 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 |
Middle Eocene |
|
Utah |
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 |
Reuverian |
|
Germany |
Altehenger,A. Floral evidence of climatic variations in the Middle-Pliocene of the Reuver Stage |
1959 |