| details |
Middle Eocene |
Middle Oligocene |
Romania |
Olaru,L. Research on the stratigraphical distribution of microflora in the Paleogene flysch situated between the Bistrita and Totus Rivers. |
1978 |
| original |
Middle Eocene |
|
W.Germany(Hesse) |
Krutzsch,W. Micropaleontologic (spore paleontology), investigation of the Brown Coal of the Geiseltal. |
1959 |
| details |
Middle Eocene |
|
W.Germany(Hesse) |
Li,M.-Y. et al. Some Cretaceous-Tertiary palynological assemblages from the Yangtze-Han River Plain. |
1978 |
| details |
Middle Eocene |
|
W.Germany(Hesse) |
Song,Z.-C. et al. Cretaceous-Tertiary palynological assemblages from Jiangsu. |
1981 |