| original |
Cenomanian |
|
Mississippi |
Phillips,P.P. et al. A study of the Lower and Middle Cretaceous spores and pollen from the southeastern United States. 6. Spores. |
1971 |
| details |
Early Cretaceous |
|
Oklahoma |
Wingate,F.H. Palynology of the Denton Shale (Lower Cretaceous), of southeastern Oklahoma. |
1974 |
| details |
Cenomanian |
|
South Africa |
McLachlan,I.R. et al. Preliminary palynological results |
1978 |
| details |
Late Albian |
|
Oklahoma |
Wingate,F.H. Plant microfossils from the Denton Shale Member of the Bokchito Formation, (Lower Cretaceous, Albian) in Southern Oklahoma. |
1980 |