| original |
Middle Miocene |
Late Miocene |
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 |
Eocene |
|
Japan(Osaka Pref.) |
Takahashi,K. Pollen types from the Eocene coal seams of Ishizuchi |
1962 |
| details |
Oligocene |
|
Japan(Hokkaido I.) |
Tokunaga,S. et al. Pollen analyses of the principal Coal Seams in the Shakubetsu and Ponki areas, the western part of the Kushiro Coal Field, Hokkido. |
1964 |