| details |
Oligocene |
|
Japan(Kyushu I.) |
Takahashi,K. Preliminary note on the problem of the Ootsuji and the Ashiya Stage of the Early Tertiary of Kyushu |
1960 |
| original |
Late Oligocene |
|
Japan(Kyushu I.) |
Takahashi,K. Pollen and spores of Western Japanese Lower Tertiary and Miocene. Part 1 |
1961 |
| original |
Early Tertiary |
Miocene |
Japan(Kyushu I.) |
Takahashi,K. Pollen and spores of Western Japanese Lower Tertiary and Miocene. Part 2 |
1961 |
| details |
Oligocene |
|
Japan(Kyushu I.) |
Takahashi,K. Palynological stratigraphic study in Joban Coalfield |
1962 |
| details |
Late Oligocene |
Early Miocene |
Japan(Fukushima Pref.) |
Takahashi,K. Paleogene pollen assemblages and zonation of Japan |
1983 |