| original |
Maastrichtian |
|
Montana |
Oltz,D.F. Numerical analyses of palynological data from Cretaceous and Early Tertiary sediments in East Central Montana. |
1969 |
| details |
Maastrichtian |
|
Canada(Alberta) |
Srivastava,S.K. Genus Sigmopollis from the Maestrichtian Scollard Formation, Alberta, (Canada), and its algal affinity. |
1984 |
| details |
Late Cretaceous |
Paleocene |
Montana |
Oltz,D.F. Cluster analyses of Late Cretaceous-Early Tertiary pollen and spores |
1971 |
| details |
Late Cretaceous |
|
Montana |
Oltz,D.F. Cluster analyses of Late Cretaceous-Early Tertiary pollen and spores |
1971 |