| details |
Paleocene |
|
Montana |
Norton,N.J. Palynology of the Upper Cretaceous and Lower Tertiary in the type locality of the Hell Creek Formation |
1965 |
| details |
Early Paleocene |
|
North America |
Chlonova,A.F. The stratigraphic importance of some morphological types of spores and pollen as seen from the example of Upper Cretaceous deposits in the eastern part of the West Siberian Lowand. (Taxonomy and Methods for the Study of Fossl Pollen and Spores. V.N. Saks and A.F. Khlonova, editors) |
1964 |
| original |
Late Cretaceous |
|
South Dakota |
Stanley,E.A. A new sporomorph genus from northwestern South Dakota. |
1961 |
| details |
Late Cretaceous |
Early Paleocene |
South Dakota |
Stanley,E.A. Upper Cretaceous and Lower Tertiary sporomorphae from Northwestern South Dakota. |
1961 |