| 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 |
Late Albian |
Maastrichtian |
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 |
Meotian |
Gurian |
Georgian |
Shatilova,I.I. et al. The genus Pteris L. in the Neogene deposits of Western Georgia |
1996 |
| details |
Oligocene |
|
USSR(Pavlodarskaya) |
Zaklinskaya,E.D. Material on the history of the flora and vegetation of the Paleogene of northern Kazakhstan in the area of Pavlodar Pr-Irtish. |
1953 |