| details |
Late Albian |
Turonian |
USSR(Yakut ASSR) |
Samoilovich,S.R. Palynological characterization of the Upper Cretaceous deposits in Western Yakutia. (In: Questions of Phytostratigraphy. S.R.Samoilovich et al, editors) |
1977 |
| details |
Maastrichtian |
|
Canada(Alberta) |
Srivastava,S.K. Systematic description of some spores from the Edmonton Formation (Maestrichtian), Alberta, Canada. |
1972 |
| details |
Givetian |
|
USSR(Vologda) |
Srivastava,S.K. Systematic description of some spores from the Edmonton Formation (Maestrichtian), Alberta, Canada. |
1972 |