| original |
Late Cretaceous |
|
South Dakota |
Stanley,E.A. Upper Cretaceous and Paleocene plant microfossils and Paleocene dinoflagellates and hystrichosphaerids from northwestern South Dakota. |
1965 |
| details |
Maastrichtian |
|
South Dakota |
Takahashi,K. Pollen and spore floras of the Upper Cretaceous and the Lower Paleocene in the Aquilapollenites Province and their Stratigaphic investigation |
1967 |
| details |
Late Cretaceous |
|
South Dakota |
Srivastava,S.K. Upper Cretaceous palynology-A review |
1967 |
| details |
Maastrichtian |
Paleocene |
Montana |
Oltz,D.F. Numerical analyses of palynological data from Cretaceous and Early Tertiary sediments in East Central Montana. |
1969 |
| details |
Maastrichtian |
|
USA |
Takahashi,K. Distribution and change of the Upper Cretaceous and Lower Paleogene microflora in Circum-Pacific Regions and Siberia. |
1970 |
| details |
Late Cretaceous |
Paleocene |
Montana |
Oltz,D.F. Cluster analyses of Late Cretaceous-Early Tertiary pollen and spores |
1971 |
| details |
Maastrichtian |
Danian |
Canada(NWT,Franklin) |
Hopkins,W.S. Cretaceous and/or Tertiary Rocks, Northern Somerset Island, District of Franklin. |
1971 |
| details |
Maastrichtian |
|
North Dakota |
Bergad,R.D. Palynology of the Hell Creek Formation (Maastrichtian) in South-Central North Dakota. |
1974 |
| details |
Maastrichtian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |