| original |
Cenomanian |
|
Arizona |
Agasie,J.M. Late Cretaceous palynomorphs from northeastern Arizona. |
1969 |
| details |
Late Cretaceous |
|
Arizona |
Romans,R.C. Palynology of some Upper Cretaceous Coals of Black Mesa, Arizona |
1969 |
| details |
Cenomanian |
Coniacian |
Wyoming |
Griggs,P.H. Stratigraphy and palynology of the Frontier Formation, Big Horn Basin, Wyoming |
1970 |
| details |
Early Cenomanian |
Late Turonian |
Japan(Hokkaido I.) |
Miki,A. Late Cretaceous pollen and spore floras of northern Japan composition and interpretation. |
1977 |
| details |
Middle Cenomanian |
|
Iowa |
Ravn,R.L. et al. The Mid-Cretacous boundary in the western interior seaway, central United States: Implications of palynostratigraphy from the type Dakota Formation. (In: Perspectives on the eastern Margin of the Cretaceous Western Interior Basin. G.W. Shurr et al, editors) |
1994 |
| details |
Late Albian |
|
Wyoming |
Ravn,R.L. Miospores from the Muddy Sandstone, (Upper Albian), Wind River Basin, Wyoming, USA. |
1995 |
| details |
Middle Cenomanian |
|
Iowa |
Ravn,R.L. et al. The palynostratigraphy of the Dakota Formation, (?Late Albian-Cenomanian) in its type area, northwestern Iowa and northeastern Nebraska, USA. |
1995 |