| details |
Cretaceous |
|
Colorado |
Tschudy,R.H. et al. Disruption of the terrestrial plant ecosystems at the Cretaceous - Tertiary boundary, Western Interior. |
1984 |
| details |
Cretaceous |
|
New Mexico |
Tschudy,R.H. et al. Disruption of the terrestrial plant ecosystems at the Cretaceous - Tertiary boundary, Western Interior. |
1984 |
| details |
Cretaceous |
|
Montana |
Tschudy,R.H. et al. Disruption of the terrestrial plant ecosystems at the Cretaceous - Tertiary boundary, Western Interior. |
1984 |
| details |
Late Maastrichtian |
|
New Mexico |
Pillmore,C.L. et al. Field guide and discussions of coal deposits, depositional environments, and the Cretaceous-Tertiary boundary, Southern Raton Basin: Field Trip 3. |
1984 |
| details |
Late Cretaceous |
Paleocene |
Venezuela |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
| details |
Late Cretaceous |
Paleocene |
USA |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
| details |
Late Cretaceous |
|
Mississippi |
Potonie,R. Synopsis of the genera of the sporae dispersae.Part 7 |
1975 |
| original |
Late Campanian |
Early Paleocene |
Mississippi |
Tschudy,R.H. Two new pollen genera (Late Cretaceous and Paleocene), with possible affinity to the Illiciaceae. |
1970 |