| details |
Santonian |
|
Japan(Iwate Pref.) |
Takahashi,K. Stratigraphic and geographic distribution of Triprojectacites pollen group in the Late Cretaceous and the Early Tertiary. |
1981 |
| details |
Maastrichtian |
Paleocene |
Alaska |
Takahashi,K. Stratigraphic and geographic distribution of Triprojectacites pollen group in the Late Cretaceous and the Early Tertiary. |
1981 |
| details |
Santonian |
|
Japan(Iwate Pref.) |
Takahashi,K. et al. Palynomorphs from the Santonian Uge Member of the Taneichi Formation, Northeast Japan. |
1990 |
| details |
Early Danian |
|
Japan(Hokkaido I.) |
Takahashi,K. et al. Palynologic study of Kawaruppu K/T Boundary samples in eastern Hokkaido |
1992 |