details |
Campanian |
Eocene |
Montana |
Takahashi,K. Stratigraphic significance of Triprojectate, Oculata and Callistopollenites pollenites Groups in the Late Upper Cretaceous and Early Palaeogene |
1986 |
details |
Campanian |
Maastrichtian |
South Dakota |
Takahashi,K. Stratigraphic significance of Triprojectate, Oculata and Callistopollenites pollenites Groups in the Late Upper Cretaceous and Early Palaeogene |
1986 |
details |
Maastrichtian |
|
Colorado |
Takahashi,K. Stratigraphic significance of Triprojectate, Oculata and Callistopollenites pollenites Groups in the Late Upper Cretaceous and Early Palaeogene |
1986 |
details |
Maastrichtian |
Eocene |
USA(Gulf Coast) |
Takahashi,K. Stratigraphic significance of Triprojectate, Oculata and Callistopollenites pollenites Groups in the Late Upper Cretaceous and Early Palaeogene |
1986 |