| details |
Maastrichtian |
|
Canada(Alberta) |
Stanley,E.A. The stratigraphical, biogeographical, paleoautecological and evolutionary significance of the fossil pollen Group Triprojectacites. |
1970 |
| details |
Maastrichtian |
|
North Dakota |
Bergad,R.D. Palynology of the Hell Creek Formation (Maastrichtian) in South-Central North Dakota. |
1974 |
| details |
Maastrichtian |
|
Canada(Alberta) |
Takahashi,K. Stratigraphic and geographic distribution of Triprojectacites pollen group in the Late Cretaceous and the Early Tertiary. |
1981 |
| details |
Maastrichtian |
|
Canada(Saskatchewan) |
Takahashi,K. Stratigraphic and geographic distribution of Triprojectacites pollen group in the Late Cretaceous and the Early Tertiary. |
1981 |
| details |
Maastrichtian |
|
North Dakota |
Skvarla,J.J. et al. Fossil pollen ultrastructure by transmission imaging in a Scanning Electron Microscope, (SEM). |
1988 |
| details |
Late Cretaceous |
Early Tertiary |
North America |
Farabee,M.J. Triprojectate fossil pollen genera. |
1990 |
| details |
Maastrichtian |
|
North Dakota |
Kedves,M. Transmission electron microscopy of the fossil angiosperm exines. |
1990 |