| details |
Late Campanian |
|
Alaska(Peninsula) |
Wiggins,V.D. Fossil Oculata pollen from Alaska. |
1976 |
| original |
Campanian |
|
Alaska(Peninsula) |
Wiggins,V.D. Fossil Oculata pollen from Alaska. |
1976 |
| details |
Middle Maastrichtian |
Late Maastrichtian |
Alaska(North Slope) |
Frederiksen,N.O. Pollen zonation and correlation of Maastrichtian marine beds and associated strata, Ocean Point Dinosaur locality, North Slope, Alaska. (In: Evolution of Sedimentary Basins. A.C.Hoffman, Project Coordinator) |
1990 |
| original |
Late Maastrichtian |
|
Alaska(North Slope) |
Wiggins,V.D. Fossil Oculata pollen from Alaska. |
1976 |
| details |
Campanian |
|
Alaska |
Takahashi,K. Stratigraphic and geographic distribution of Triprojectacites pollen group in the Late Cretaceous and the Early Tertiary. |
1981 |
| details |
Campanian |
|
Alaska |
Takahashi,K. Stratigraphic significance of three important pollen Groups in the Late Upper Cretaceous and Early Palaeogene |
1984 |
| details |
Campanian |
|
Alaska |
Takahashi,K. Stratigraphic significance of Triprojectate, Oculata and Callistopollenites pollenites Groups in the Late Upper Cretaceous and Early Palaeogene |
1986 |