| details |
Maestrichtian |
Eocene |
Alaska(North Slope) |
Frederiksen,N.O. et al. Palynological dating of Upper Cretaceous to Middle Eocene strata in the Sagavanirktok and Canning Formation, North Slope of Alaska. |
1998 |
| details |
Maastrichtian |
Paleocene |
Alaska |
Takahashi,K. Stratigraphic and geographic distribution of Triprojectacites pollen group in the Late Cretaceous and the Early Tertiary. |
1981 |
| details |
Maastrichtian |
Eocene |
Alaska |
Takahashi,K. Stratigraphic significance of three important pollen Groups in the Late Upper Cretaceous and Early Palaeogene |
1984 |
| details |
Maastrichtian |
Eocene |
Alaska |
Takahashi,K. Stratigraphic significance of Triprojectate, Oculata and Callistopollenites pollenites Groups in the Late Upper Cretaceous and Early Palaeogene |
1986 |