| details |
Campanian |
Maastrichtian |
Alaska |
Takahashi,K. Stratigraphic and geographic distribution of Triprojectacites pollen group in the Late Cretaceous and the Early Tertiary. |
1981 |
| details |
Campanian |
Maastrichtian |
Worldwide |
Takahashi,K. Stratigraphic significance of Triprojecate, Oculata, and Callistopollenites pollen Groups in the Late Upper Cretaceous and Early Palaeogene. |
1982 |
| details |
Campanian |
Maastrichtian |
Alaska |
Takahashi,K. Stratigraphic significance of three important pollen Groups in the Late Upper Cretaceous and Early Palaeogene |
1984 |
| details |
Campanian |
Maastrichtian |
Alaska |
Takahashi,K. Stratigraphic significance of Triprojectate, Oculata and Callistopollenites pollenites Groups in the Late Upper Cretaceous and Early Palaeogene |
1986 |