| details |
Kimmeridgian |
Purbeckian |
Egypt |
Saad,S.I. et al. Palynological studies in Nubia Sandstone from Kharga Oasis. |
1976 |
| details |
Late Oligocene |
Miocene |
India(Tripura) |
Kar,R.K. Palynology of Miocene and Mio-Pliocene sediments of north-east India. (In: Current Perspectives in Palynological Research. S.Chanda, editor) |
1990 |
| details |
Late Albian |
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 |
Early Cenomanian |
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 |
| details |
Maestrichtian |
Danian |
South Carolina |
Hargrove,D.C. et al. Palynology of the Maestrichtian/Danian boundary at Savannah River Site, South Carolina. |
1997 |
| details |
Maestrichtian |
Danian |
South Carolina |
Hargrove,D.C. et al. Palynology of the Maestrichtian/Danian boundary at Savannah River Site, South Carolina. |
1997 |
| details |
Cenomanian |
Coniacian |
Wyoming |
Griggs,P.H. Stratigraphy and palynology of the Frontier Formation, Big Horn Basin, Wyoming |
1970 |
| details |
Late Albian |
Cenomanian |
Nebraska |
Ravn,R.L. The spore and pollen succession of the type Dakota Formation, (?Late Albian -Cenomanian), of the North Central United States; Comparisons and lithostratigraphic implications. |
1990 |
| details |
Late Albian |
Cenomanian |
South Dakota |
Ravn,R.L. The spore and pollen succession of the type Dakota Formation, (?Late Albian -Cenomanian), of the North Central United States; Comparisons and lithostratigraphic implications. |
1990 |
| details |
Late Albian |
Cenomanian |
Iowa |
Ravn,R.L. The spore and pollen succession of the type Dakota Formation, (?Late Albian -Cenomanian), of the North Central United States; Comparisons and lithostratigraphic implications. |
1990 |
| details |
Late Albian |
Cenomanian |
Utah |
May,F.E. et al. Palynology of the Dakota Sandstone (Middle Cretaceous) near Bryce Canyon National Park, southern Utah. |
1973 |
| 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 |
| details |
Late Albian |
Cenomanian |
Iowa |
Ravn,R.L. The spore and pollen succession of the type Dakota Formation (?Late Albian - Cenomanian) of the north central United States; comparisions and lithostratigraphic implications. |
1991 |
| details |
Late Albian |
Cenomanian |
Nebraska |
Ravn,R.L. The spore and pollen succession of the type Dakota Formation (?Late Albian - Cenomanian) of the north central United States; comparisions and lithostratigraphic implications. |
1991 |
| details |
Late Albian |
Cenomanian |
South Dakota |
Ravn,R.L. The spore and pollen succession of the type Dakota Formation (?Late Albian - Cenomanian) of the north central United States; comparisions and lithostratigraphic implications. |
1991 |
| details |
Early Cenomanian |
|
Iowa |
Ravn,R.L. et al. Palynology of Upper Dakota Formation lignites from northwestern Iowa and northeastern Nebraska. |
1981 |
| details |
Middle Cenomanian |
|
Canada(Alberta) |
Singh,C. Cenomanian microfloras of the Peace River area Northwestern Alberta |
1983 |