| details |
Late Campanian |
|
Montana |
Tysdal,R.G. et al. Biostratigraphic correlation of Santonian and Campanian Formations in the northwestern part of Yellowstone National Park, and the Madison range and Livingston Area of Southwestern Montana. (In: Contributions to Late Cretaceous stratigraphy and paleontology, Western Montana. T.S.Dyman, editor) |
1991 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Maastrichtian |
|
Utah |
Fouch,T.D. et al. Chart showing lithology, mineralogy and paleontology on the nonmarine North Horn Formation and Flagstaff Member of the Green River Formation Price Canyon, Central Utah. A principal. |
1987 |
| details |
Campanian |
Maastrichtian |
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 |
Maastrichtian |
|
Canada(Saskatchewan) |
Srivastava,S.K. The Cretaceous megaspore genus Ghoshispora. |
1978 |
| details |
Late Cretaceous |
|
China |
Anonymous On the discovery of Balmeisporites from Daging oil-Field and its significance. |
1976 |
| details |
Late Cretaceous |
|
China(Hopei) |
Anonymous Institiue of Scientific research and designing-Daqing oil Field. on the discovery of Balmeiporites from Daqing oil Field and its signifiance. |
1976 |
| details |
Maastrichtian |
|
North Dakota |
Bergad,R.D. Palynology of the Hell Creek Formation (Maastrichtian) in South-Central North Dakota. |
1974 |
| details |
Campanian |
|
Montana |
Bergad,R.D. North American species of the Cretaceous megaspores Balmeisporites and Monophyllosporites. |
1973 |
| details |
Campanian |
Maastrichtian |
Canada(Alberta) |
Gunther,P.R. et al. Megaspores and other palynomorphs of the Brazeau Formation (Upper Cretaceous) Nordegg area, Alberta, Canada. |
1972 |
| original |
Maastrichtian |
|
Canada(Saskatchewan) |
Srivastava,S.K. et al. Megaspores of the genus Balmeisporites from the Upper Cretaceous of Alberta and Saskatchewan, Canada. |
1969 |
| details |
Late Cretaceous |
|
Canada |
Srivastava,S.K. Upper Cretaceous palynology-A review |
1967 |