| original |
Maastrichtian |
|
Canada(Alberta) |
Srivastava,S.K. Assorted angiosperm pollen from the Edmonton Formation, (Maestrichtian), Alberta, Canada. |
1969 |
| details |
Maastrichtian |
|
Canada(Alberta) |
Srivastava,S.K. Pollen biostratigraphy and paleoecology of the Edmonton Formation, (Maestrichtian), Alberta, Canada. |
1970 |
| details |
Late Albian |
|
Utah |
Tschudy,R.H. et al. Palynological evaluation of Cedar Mountain and Burro Canyon Formations, Colorado Plateau. |
1984 |
| details |
Nd |
|
Nd |
Ravn,R.L. Miospores from the Muddy Sandstone, (Upper Albian), Wind River Basin, Wyoming, USA. |
1995 |