original |
Late Cretaceous |
|
Colorado |
Kidson,E.J. Palynology and paleoecology of the Buck Tongue of the Mancos Shale, (Upper Cretaceous), from East Central Utah and Western Colorado. |
1971 |
original |
Late Cretaceous |
|
Utah |
Kidson,E.J. Palynology and paleoecology of the Buck Tongue of the Mancos Shale, (Upper Cretaceous), from East Central Utah and Western Colorado. |
1971 |
original |
Albian |
|
Louisiana |
Phillips,P.P. et al. A study of the Lower and Middle Cretaceous spores and pollen from the southeastern United States. 6. Spores. |
1971 |