| details |
Oligocene |
Middle Miocene |
W.Germany(N.Rhine) |
Stolz,G. Plant ecosystem of the Rhine Browncoal and their succession in special reference to the Bright Layers. |
1954 |
| details |
Tertiary |
|
USSR(Caucasus) |
Gladkova,A.N. Flora of Maikop deposits of northern Caucasus from data of spore-pollen analysis. (In: Palaeobotanical Symposium) |
1953 |
| details |
Early Pliocene |
Middle Pliocene |
Japan(Kochi Pref.) |
Katto,J. et al. Stratigraphical and paleontological studies of the Tonohama Group, Kochi Prefecture, Japan. |
1953 |
| details |
Early Miocene |
Middle Miocene |
Japan(Shimane Pref.) |
Katto,J. et al. Stratigraphical and palynological studies of the Shimane Coal Field |
1952 |