details |
Late Albian |
Cenomanian |
Mali |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |
details |
Late Albian |
Cenomanian |
Niger |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |
details |
Late Albian |
Cenomanian |
Nigeria |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |
details |
Late Albian |
Cenomanian |
Togo |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |
details |
Early 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 |
Early Cenomanian |
Middle Cenomanian |
France(Dordogne) |
Fechner,G.G. et al. Sedimentology, paleontology and palynology of the Cenomanian deposits North of Simeyrols, Dodogne France |
1989 |
details |
Barremian |
Albian |
Alaska |
Timmcke,T.A. Palynolgoy of the Lower Cretaceous Pebble Shale Unit, Point Barrow, Alaska. |
1981 |
details |
Albian |
Cenomanian |
USA |
Srivastava,S.K. Stratigraphic ranges of selected spores and pollen from the Fredericksburg Group, (Albian), of the southern United States. |
1979 |