| original |
Senonian |
Danian |
USSR(Tomskaya Oblast) |
Kondinskaya,L.I. Fossil spores of Water ferns in Upper Cretaceous and Paleogene Deposts of West Siberian Lowland |
1966 |
| details |
Campanian |
Maastrichtian |
Canada(Alberta) |
Gunther,P.R. et al. Megaspore palynology of the Brazeau Formation (Upper Cretaceous), Nordegg area, Alberta. |
1970 |
| 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 |
| details |
Maastrichtian |
|
North Dakota |
Bergad,R.D. North American species of the Cretaceous megaspores Balmeisporites and Monophyllosporites. |
1973 |
| details |
Maastrichtian |
|
North Dakota |
Bergad,R.D. Palynology of the Hell Creek Formation (Maastrichtian) in South-Central North Dakota. |
1974 |
| details |
Campanian |
|
Canada(Alberta) |
Wall,J.H. et al. A Late Cretaceous microfossil assemblage from the Buffalo Head Hills North-Central Alberta. |
1975 |
| details |
Senonian |
Danian |
USSR(Tomskaya Oblast) |
Srivastava,S.K. The Cretaceous megaspore genus Ghoshispora. |
1978 |
| details |
Early Campanian |
Middle Campanian |
Canada(NWT,Mackenzie) |
Yorath,C.J. et al. Cretaceous and Tertiary stratigraphy and paleogeography northern Interior Plains, District of MacKenzie. |
1981 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Santonian |
|
Russia(Urals) |
Amon,E.O. et al. An essay on regional geology and stratigraphy of the Upper Cretaceous deposits of southern Urals Territories. |
1997 |