| original |
Cenomanian |
|
Minnesota |
Pierce,R.L. Lower Upper Cretaceous plant microfossils from Minnesota. |
1961 |
| details |
Late Cretaceous |
|
Minnesota |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Nd |
|
Nd |
PacltovŠ,B. Palynological study of angiospermae from the Peruc Formation (?Albian -Lower Cenomanian) of Bohemia. |
1971 |
| details |
Late Albian |
Cenomanian |
Canada(Arctic) |
Burden,E.T. et al. Palynology of Cretaceous and Tertiary strata, northeast Baffin Island, Northwest Territories Canada; Implications for the history of rifting in Baffin Bay |
1991 |