| details |
Late Campanian |
|
Montana |
Tschudy,B.D. Palynology of the Upper Campanian, (Cretaceous) Judith River Formation, north-central Montana. |
1973 |
| details |
Late Campanian |
|
Wyoming |
Tschudy,B.D. Palynology of the Upper Campanian, (Cretaceous) Judith River Formation, north-central Montana. |
1973 |
| details |
Campanian |
|
Montana |
Takahashi,K. Stratigraphic and geographic distribution of Triprojectacites pollen group in the Late Cretaceous and the Early Tertiary. |
1981 |
| details |
Campanian |
|
South Dakota |
Takahashi,K. Stratigraphic and geographic distribution of Triprojectacites pollen group in the Late Cretaceous and the Early Tertiary. |
1981 |
| details |
Campanian |
|
Wyoming |
Takahashi,K. Stratigraphic and geographic distribution of Triprojectacites pollen group in the Late Cretaceous and the Early Tertiary. |
1981 |
| details |
Campanian |
|
Colorado |
Takahashi,K. Stratigraphic and geographic distribution of Triprojectacites pollen group in the Late Cretaceous and the Early Tertiary. |
1981 |
| details |
Campanian |
|
Worldwide |
Takahashi,K. Stratigraphic significance of Triprojecate, Oculata, and Callistopollenites pollen Groups in the Late Upper Cretaceous and Early Palaeogene. |
1982 |
| details |
Late Campanian |
|
USA(Rocky Mountains) |
Nichols,D.J. et al. Cretaceous palynomorph biozones for the Central and northern Rocky Mountain Region of the United States. |
1982 |
| details |
Campanian |
|
Montana |
Takahashi,K. Stratigraphic significance of three important pollen Groups in the Late Upper Cretaceous and Early Palaeogene |
1984 |
| details |
Campanian |
|
Wyoming |
Takahashi,K. Stratigraphic significance of three important pollen Groups in the Late Upper Cretaceous and Early Palaeogene |
1984 |
| details |
Campanian |
|
South Dakota |
Takahashi,K. Stratigraphic significance of three important pollen Groups in the Late Upper Cretaceous and Early Palaeogene |
1984 |
| details |
Campanian |
|
Colorado |
Takahashi,K. Stratigraphic significance of three important pollen Groups in the Late Upper Cretaceous and Early Palaeogene |
1984 |
| details |
Late Maastrichtian |
Early Paleocene |
Canada(Alberta) |
Jerzykiewicz,T. et al. The Cretaceous-Tertiary boundary in the Central Alberta Foothills. I. Stratigraphy. |
1986 |
| details |
Campanian |
|
Montana |
Takahashi,K. Stratigraphic significance of Triprojectate, Oculata and Callistopollenites pollenites Groups in the Late Upper Cretaceous and Early Palaeogene |
1986 |
| details |
Campanian |
|
Wyoming |
Takahashi,K. Stratigraphic significance of Triprojectate, Oculata and Callistopollenites pollenites Groups in the Late Upper Cretaceous and Early Palaeogene |
1986 |
| details |
Campanian |
|
South Dakota |
Takahashi,K. Stratigraphic significance of Triprojectate, Oculata and Callistopollenites pollenites Groups in the Late Upper Cretaceous and Early Palaeogene |
1986 |
| details |
Campanian |
|
Colorado |
Takahashi,K. Stratigraphic significance of Triprojectate, Oculata and Callistopollenites pollenites Groups in the Late Upper Cretaceous and Early Palaeogene |
1986 |