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 |
Middle Maastrichtian |
Late Maastrichtian |
North Dakota |
Artzner,D.G. Palynology of a Volcanic Ash in the Fox Hills Formation, (Maestrichtian), of Emmons, Morton, and Sioux Counties, North Dakota. |
1974 |
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 |
Maastrichtian |
|
Colorado |
Takahashi,K. Stratigraphic and geographic distribution of Triprojectacites pollen group in the Late Cretaceous and the Early Tertiary. |
1981 |
details |
Maastrichtian |
|
Canada(Arctic) |
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 |
Early Campanian |
Middle Maastrichtian |
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 |
|
South Dakota |
Takahashi,K. Stratigraphic significance of three important pollen Groups in the Late Upper Cretaceous and Early Palaeogene |
1984 |
details |
Maastrichtian |
|
Canada(Arctic) |
Takahashi,K. Stratigraphic significance of three important pollen Groups in the Late Upper Cretaceous and Early Palaeogene |
1984 |
details |
Maastrichtian |
|
Colorado |
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 |
Late Cretaceous |
|
North America |
Falabee,M.J. Finestructure of Tripojectate pollen |
1986 |
details |
Late Cretaceous |
|
USSR(Siberia) |
Falabee,M.J. Finestructure of Tripojectate pollen |
1986 |