| original |
Cenomanian |
|
Minnesota |
Pierce,R.L. Lower Upper Cretaceous plant microfossils from Minnesota. |
1961 |
| 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 |
Late Cretaceous |
|
Minnesota |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Early Paleocene |
|
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 |
Late Cretaceous |
|
Japan(Hokkaido I.) |
Miki,A. Late Cretaceous pollen and spore floras of northern Japan composition and interpretation. |
1977 |
| details |
Middle Albian |
Late Albian |
Canada(British Columbia) |
Read,P.B. Geology and industrial minerals of the Tertiary Basins, South-Central British Columbia. Appendix A. Descriptions of fossil localities. |
2000 |