| details |
Santonian |
Early Campanian |
Canada(Alberta) |
Jarzen,D.M. et al. Evolutionary significance and botanical relationships of Cretaceous angiosperm pollen in the Western Canadian Interor. |
1975 |
| details |
Early Campanian |
Middle Campanian |
Canada(Alberta) |
Jarzen,D.M. et al. Evolutionary significance and botanical relationships of Cretaceous angiosperm pollen in the Western Canadian Interor. |
1975 |
| details |
Maastrichtian |
|
Wyoming |
Farabee,M.J. et al. Stratigraphic palynology of the lower part of the Lance Formation, (Maestrichtian) of Wyoming. |
1986 |
| details |
Nd |
|
Nd |
Farabee,M.J. Botanical affinities of some Triprojectacites fossil pollen |
1991 |
| details |
Nd |
|
Nd |
Farabee,M.J. Morphology of Triprojectate fossil pollen: form and distribution in space and time. |
1993 |
| details |
Danian |
|
Texas |
Evitt,W.R. Maestrichtian Aquilapollenites in Texas, Maryland, and New Jersey. |
1973 |
| details |
Maastrichtian |
|
North Dakota |
Bergad,R.D. Palynology of the Hell Creek Formation (Maastrichtian) in South-Central North Dakota. |
1974 |