| original |
Cretaceous |
|
Wyoming |
Tschudy,R.H. Normapolles pollen from Aquilapollenites Province, Western United States |
1980 |
| original |
Campanian |
|
New Mexico |
Tschudy,R.H. Normapolles pollen from Aquilapollenites Province, Western United States |
1980 |
| original |
Santonian |
|
New Mexico |
Tschudy,R.H. Normapolles pollen from Aquilapollenites Province, Western United States |
1980 |
| original |
Maastrichtian |
|
Utah |
Nichols,D.J. et al. Palynostratigraphic framework for the Cretaceous (Albian-Maestrichtian), of the overthrust Belt of Utah and Wyoming. |
1982 |
| original |
Late Campanian |
|
Colorado |
Newman,K.R. Biostratigraphic correlation of Cretaceous-Tertiary Boundary Rio Colorado to San Juan Basin, New Mexico. (In: The Cretaceous-Tertiary Boundary in the San Juan and Raton Basins, New Mexico and Colorado. J.E. Fassett and J.K.Rigby, editors) |
1987 |