| details |
Early Cretaceous |
|
India(Tamil Nadu) |
Venkatachala,B.S. et al. Stratigraphic implication of Late Gondwana floras in the east coast. (In: Concepts, limits and extension of the Indian Gondwana. B.S.Venkatachala and H.K.Maheshwari, editors) |
1988 |
| details |
Early Cenomanian |
|
Iowa |
Witzke,B.J. et al. The Dakota Formation in Iowa and the type area. (In: Perspectives on the eastern Margin of the Cretaceous Western Interior Basin. G.W. Shurr et al, editors) |
1994 |
| 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 |
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 |
|
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 |
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 |
Santonian |
|
Iraq |
Al-Ameri,T.K. et al. Palynostratigraphy of Unit 1 of the Cretaceous Suwais Red Beds, Choarta, Northeast Iraq. |
1989 |
| details |
Neocomian |
Albian |
Maryland |
Srivastava,S.K. Microspores from the Fredericksburgh Group (Albian) of the southern United States. |
1975 |
| details |
Nd |
|
Nd |
Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) |
1983 |
| original |
Nd |
|
Nd |
Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) |
1983 |
| 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 |
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 |
Valanginian |
Albian |
North America |
Burden,E.T. et al. Illustrated key to genera of Lower Cretaceous terrestrial palynomorphs, (excluding megaspores), of Western Canada. (Stratigraphic ranges and sample locations taken from E.T.Burden,1982 - Lower Cretaceous terrestrial palynomorph biostratigraphy of the McMurray Formation, northeastern Alberta, Unpub.Phd Thesis) |
1989 |
| details |
Middle Albian |
|
Oklahoma |
Srivastava,S.K. Stratigraphic ranges of selected spores and pollen from the Fredericksburg Group, (Albian), of the southern United States. |
1981 |
| details |
Middle Albian |
|
Oklahoma |
Srivastava,S.K. Microspores from the Fredericksburgh Group (Albian) of the southern United States. |
1975 |
| details |
Late Valanginian |
Middle Barremian |
Portugal |
Batten,D.J. et al. Stratigraphic significance of selected Late Jurassic and Cretaceous miospores in Northwest Europe. (In: Pollen and Spore Biostratigraphy of the Phanerozoic in Northwest Europe) |
1984 |
| 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 |