| details |
Middle Eocene |
|
Germany |
Krutzsch,W. Toward the knowledge and significance of abnormal development of fossil pollen and spores. |
1956 |
| details |
Eocene |
|
Germany |
Krutzsch,W. Stratigraphic or botanic importance of new spore and pollen forms from the German Tertiary. |
1962 |
| details |
Miocene |
|
Germany |
Krutzsch,W. Stratigraphic or botanic importance of new spore and pollen forms from the German Tertiary. |
1962 |
| details |
Aquitanian |
|
France |
Sittler,C. Evidences of Temperature Increase at the Oligocene-Miocene boundary. |
1967 |
| details |
Eocene |
|
France |
Reissinger,A. Pollen analysis extended to all sedimentary rocks of the geological past. |
1950 |
| details |
Paleocene |
|
China(Liaoning) |
Sung,T.C. et al. The Paleocene spores and pollen grains from the Fushun Coalfield, Northeast China. |
1976 |