| details |
Middle Campanian |
Late Campanian |
Canada(Saskatchewan) |
Eberth,D.A. et al. Stratigraphy, sedimentology and vertebrate paleontology of the Judith River Formation (Campanian) near Muddy Lake, westcentral Saskatchewan. |
1990 |
| details |
Late Campanian |
|
Canada(Alberta) |
Jerzykiewicz,T. et al. Sedimentological and palynological evidence of regional climatic changes in the Campanian to Paleocene sediments of the Rocky Mountain Foothiils, Canada |
1988 |
| details |
Middle Senonian |
|
China(Manchuria) |
Yu,J. et al. Cretaceous palynological assemblages from the District South of the Songhua River. |
1983 |
| details |
Cretaceous |
|
USSR |
Boytsova,E.P. et al. Miospores of some ancient plants in the USSR. |
1979 |
| details |
Maastrichtian |
|
Texas |
Kumar,A. Palynostratigraphy and palaeoecology of the Navarro Group, (Maestrichtian), of Texas, USA. |
1979 |
| details |
Maestrichtian |
|
Canada(Alberta) |
Boytsova,E.P. et al. Miospores of some ancient plants in the USSR. |
1979 |
| details |
Maastrichtian |
|
Canada(Alberta) |
Snead,R.G. Microfloral diagnosis of the Cretaceous-Tertiary boundary, Central Alberta. |
1969 |
| original |
Maestrichtian |
|
Canada(Alberta) |
Srivastava,S.K. Ephedralean pollen from the Upper Cretaceous Edmonton Formation of Alberta, (Canada), and their paleoecological significance. |
1968 |
| details |
Maastrichtian |
|
Canada(Alberta) |
Srivastava,S.K. Upper Cretaceous palynology-A review |
1967 |