| details |
Valanginian |
|
England |
Hughes,N.F. Paleontological evidence for the age of the English Wealden. |
1958 |
| details |
Valanginian |
|
Germany |
Hughes,N.F. Paleontological evidence for the age of the English Wealden. |
1958 |
| details |
Campanian |
Maastrichtian |
Canada(Alberta) |
Gunther,P.R. et al. Megaspore palynology of the Brazeau Formation (Upper Cretaceous), Nordegg area, Alberta. |
1970 |
| details |
Albian |
|
Canada(NWT,Mackenzie) |
Brideaux,W.W. et al. Biostratigraphic determinations from the subsurface of the District of Franklin and MacKenzie and the Yukon Teritory |
1976 |
| details |
Early Cretaceous |
|
India(Andhra Pradesh) |
Sharma,K.D. et al. Palynology of the Early Cretaceous sediments from the subsurface of Godavari-Krishna Basin, Andhya Pradesh, south India. |
1977 |
| details |
Late Jurassic |
Early Cretaceous |
USSR |
Petrosyants,M.A. A study of microfossils for revealing old sedimentation environment |
1984 |
| details |
Hauterivian |
Aptian |
Poland |
Mamczar,J. Megaspores. (In: Atlas of Guide and Characteristic Fossils. L.Malinawska, editor) |
1989 |
| details |
Nd |
|
Nd |
Kedves,M. Tranmission Electron Microscopy of the Fossil Spores. |
1996 |