| original |
Maastrichtian |
|
Japan(Hokkaido I.) |
Takahashi,K. Some Cretaceous palynomorphs from the Upper Cretaceous sediments of Hokkaido. |
1970 |
| details |
Late Maastrichtian |
|
Japan(Hokkaido I.) |
Takahashi,K. Distribution and change of the Upper Cretaceous and Lower Paleogene microflora in Circum-Pacific Regions and Siberia. |
1970 |
| details |
Maastrichtian |
|
Japan(Hokkaido I.) |
Takahashi,K. Stratigraphic and geographic distribution of Triprojectacites pollen group in the Late Cretaceous and the Early Tertiary. |
1981 |
| details |
Late Cretaceous |
|
China(NE.China) |
Zhou,S.-F. The Cretaceous and Tertiary Aquilapolles in China. |
1986 |
| details |
Maastrichtian |
Danian |
Japan(Hokkaido I.) |
Takahashi,K. et al. Palynostratigraphic investigation of the Akkeshi and Tokotan Formation of the Nemuro Group |
1990 |
| details |
Maastrichtian |
|
Japan(Hokkaido I.) |
Takahashi,K. Palynologic study of the Akkeshi and Tokotan Formations of the Nemuro Group, Eastern Hokkaido |
1991 |
| details |
Maastrichtian |
Danian |
Japan(Hokkaido I.) |
Takahashi,K. Palynologic study of the Akkeshi and Tokotan Formations of the Nemuro Group, Eastern Hokkaido |
1991 |
| details |
Late Maastrichtian |
Early Danian |
Japan(Hokkaido I.) |
Takahashi,K. et al. Palynologic study of Kawaruppu K/T Boundary samples in eastern Hokkaido |
1992 |