| details |
Middle Jurassic |
|
USSR(Belorussian SSR) |
Markovich,E.M. et al. On the significance of paleobotanical analysis by study of tectonically violated coal-bearing areas, (with the Chervonooziorskaya area, Pripiat Depression, as example). |
1972 |
| details |
Early Cretaceous |
|
China(Kansu) |
Hsм,J. et al. Sporo-pollen assemblage and geological age of the Lower Xinminbu Formation of Chiuchuan, Kansu, (Gansu). |
1974 |
| details |
Late Jurassic |
|
USSR(Kazakh SSR) |
Murakhovskaya,E.I. et al. Upper Cretaceous deposits in Semipalatinskaya Pre-Irtyshskoye and the Pecularities of their pollen and spore contents. |
1976 |
| details |
Middle Bathonian |
Late Bathonian |
USSR(Kazakh SSR) |
Kalugin,V.K. et al. On the age of the Middle and Upper boundary of Mangyshlak. (In: Palynological Studies. Collected Articles. S.R.Samoilovich, editor) |
1976 |