original |
Cenomanian |
|
Minnesota |
Pierce,R.L. Lower Upper Cretaceous plant microfossils from Minnesota. |
1961 |
details |
Cenomanian |
|
Kansas |
Farley,M.B. et al. Correlation between miospores and depositional environments of the Dakota Formation (Mid-Cretaceous) of North Central Kansas and adjacent Nebraska, USA. |
1986 |
details |
Cenomanian |
|
Nebraska |
Farley,M.B. et al. Correlation between miospores and depositional environments of the Dakota Formation (Mid-Cretaceous) of North Central Kansas and adjacent Nebraska, USA. |
1986 |