| original |
Oligocene |
|
W.Germany(N.Rhine) |
Takahashi,K. et al. Paleogene sporomorphs of the Bergish Area, (West Germany). |
1982 |
| details |
Early Pliocene |
|
Japan(Fukuoka Pref.) |
Takahashi,K. Palynostratigraphic study of the coal-bearing formation in Iki Island. |
1988 |
| details |
Santonian |
|
Japan(Iwate Pref.) |
Takahashi,K. et al. Palynomorphs from the Santonian Uge Member of the Taneichi Formation, Northeast Japan. |
1990 |
| details |
Danian |
|
Japan(Hokkaido I.) |
Takahashi,K. Palynologic study of the Akkeshi and Tokotan Formations of the Nemuro Group, Eastern Hokkaido |
1991 |
| details |
Danian |
|
Japan(Hokkaido I.) |
Takahashi,K. Palynostratigraphic study of the Kiritappu Formation at Kiritappu and in Yururi Island, eastern Hokkaido |
1991 |
| details |
Maastrichtian |
|
Japan(Hokkaido I.) |
Takahashi,K. Palynomorph assemblage of the Tokotan Formation at Konbumori, Nemuro City, Eastern Hokkaido. |
1991 |