| details |
Early Aptian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. et al. On the stratigraphy of Lower Cretaceous sections from Bauxite concentrations on the Ukrainian Shield and in the Pre-Black Sea Basin |
1973 |
| details |
Aptian |
Albian |
USSR(Ukrainian SSR) |
Voronova,M.A. Form genus Murosporoides (Somers) M.Voronova Mesophyte miospore. (In: Systematics and evolution of ancient flora in the Ukraine.Y.V.Teslenko, editor) |
1982 |
| original |
Aptian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. Stratigraphic subdivision of Lower Cretaceous sediments of the Dnieper-Donets Basin, based on palynology. |
1971 |
| details |
Aptian |
|
USSR(Kazakh SSR) |
Fedorova-Shakhmundes,V.A. The importance of Asbeckiasporites, V.D.Brelie, 1964 to stratigraphy and paleogeogreaphy of Lower Cretaceous deposits. (In: Palynological Studies. Collected Articles. S.R.Samoilovich, editor) |
1976 |