| details |
Aptian |
Albian |
USSR(Ukrainian SSR) |
Voronova,M.A. Early Cretaceous miospores of the Ukraine |
1984 |
| details |
Berriasian |
Valanginian |
USSR(Kazakh SSR) |
Smirnova,S.B. et al. Differentiation of Jurassic and Lower Cretaceous sediments of the northern Buzachinskoe Uplift on the basis of palynological data |
1982 |
| details |
Cenomanian |
Turonian |
USSR(Kazakh SSR) |
Smirnova,S.B. et al. Mezo-Cenozoic palynostratigraphy of the Central Caspian. |
1986 |
| details |
Valanginian |
|
USSR(Kazakh SSR) |
Smirnova,S.B. et al. Palynological features of the Valanginian in Western Karatau, (Mangyshlak). |
1978 |
| details |
Aptian |
|
USSR(Moscow) |
Krutzsch,W. Micropaleontologic (spore paleontology), investigation of the Brown Coal of the Geiseltal. |
1959 |