| original |
Late Cretaceous |
Paleocene |
Montana |
Norton,N.J. Palynology of the Upper Cretaceous and Lower Tertiary in the type locality of the Hell Creek Formation |
1965 |
| original |
Late Cretaceous |
Early Tertiary |
Montana |
Norton,N.J. et al. Palynology of the Upper Cretaceous and Lower Tertiary in the type locality of the Hell Creek Formation, Montana, USA. |
1969 |
| details |
Maastrichtian |
Paleocene |
Montana |
Oltz,D.F. Numerical analyses of palynological data from Cretaceous and Early Tertiary sediments in East Central Montana. |
1969 |
| 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 |
| details |
Maastrichtian |
|
North Dakota |
Bergad,R.D. Palynology of the Hell Creek Formation (Maastrichtian) in South-Central North Dakota. |
1974 |
| details |
Maastrichtian |
Paleocene |
Montana |
Jarzen,D.M. The fossil pollen record of the Pandanaceae |
1983 |
| details |
Late Maastrichtian |
Early Paleocene |
Canada(Alberta) |
Sweet,A.R. The Cretaceous-Tertiary boundary in the Central Alberta Foothills. II. Miospore and pollen taxonomy. |
1986 |
| details |
Late Maastrichtian |
Early Paleocene |
Canada(Saskatchewan) |
Sweet,A.R. The Cretaceous-Tertiary boundary in the Central Alberta Foothills. II. Miospore and pollen taxonomy. |
1986 |