| details |
Nd |
|
Nd |
Frederiksen,N.O. Sporomorph biostratigraphy, floral changes, and paleoclimatology, Eocene and Earliest Oligocene of the eastern Gulf Coast. |
1988 |
| details |
Early Eocene |
|
USSR(Rostov) |
Mikhelis,A.A. Characteristic of pollen and spores and separation of Paleogene sections of the Azov Massive |
1976 |
| details |
Middle Eocene |
Late Eocene |
USSR(Yakut ASSR) |
Kulkova,I.A. The Eocene climatic optimum of northern Asia. (In: Climates of the Earth in the Geological Past. A.A.Velichko and A.L.Chepalyga, editors) |
1987 |
| details |
Late Oligocene |
Middle Miocene |
Delaware |
Groot,J.J. Plant microfossils of the Calvert Formation of Delaware. |
1992 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Eocene |
|
USSR(Yakut ASSR) |
Kulkova,I.A. Correlation of the Eocene flora of the Jan-Indigirka Lowland Wi Coeval floras of the North Hemisphere. |
1971 |