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 |
Late Cenomanian |
|
Canada(Alberta) |
Singh,C. Stratigraphic significance of Early angiosperm pollen in the Mid-Cretaceous strata of Alberta. |
1975 |
details |
Late Cretaceous |
|
Arizona |
Romans,R.C. Palynology of some Upper Cretaceous Coals of Black Mesa, Arizona |
1975 |
details |
Cenomanian |
|
Arizona |
Canright,J.E. et al. Biostratigraphy of some Cretaceous microfloras from Arizona. |
1979 |
details |
Early Cenomanian |
|
Iowa |
Ravn,R.L. et al. Palynology of Upper Dakota Formation lignites from northwestern Iowa and northeastern Nebraska. |
1981 |
details |
Cenomanian |
|
Iowa |
Ravn,R.L. Preliminary observations on the palynology of Upper Dakota Formation Lignites in Northwest Iowa and Northeast Nebraska. (In: Cretaceous stratigraphy and sedimentation in Northwest Iowa, Northeast Nebraska and Southeast South Dakota) |
1981 |
details |
Cenomanian |
|
Nebraska |
Ravn,R.L. Preliminary observations on the palynology of Upper Dakota Formation Lignites in Northwest Iowa and Northeast Nebraska. (In: Cretaceous stratigraphy and sedimentation in Northwest Iowa, Northeast Nebraska and Southeast South Dakota) |
1981 |
details |
Late Albian |
Cenomanian |
USA(Rocky Mountains) |
Nichols,D.J. et al. Cretaceous palynomorph biozones for the Central and northern Rocky Mountain Region of the United States. |
1982 |
details |
Middle Cenomanian |
|
Canada(Alberta) |
Singh,C. Cenomanian microfloras of the Peace River area Northwestern Alberta |
1983 |
details |
Santonian |
|
Japan(Iwate Pref.) |
Takahashi,K. et al. Palynomorphs from the Santonian Uge Member of the Taneichi Formation, Northeast Japan. |
1990 |
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 |
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 |
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 |
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 |