| details |
Valanginian |
Hauterivian |
USSR(Ukrainian SSR) |
Yanovskaya,G.G. Palynological evidence for age determination of the Vishnevskay Series in the Dniester-Prut Interfluve. (In: Palynological Studies of Sedimentary Deposits in the Ukraine and adjacent Regions. Y.V.Teslenko, editor) |
1976 |
| details |
Early Cretaceous |
|
USSR(Siberia) |
Zakharov,V.A. et al. Cretaceous System. (In: The Phanerozoic of Siberia (Mesozoic-Cenozoic). Volume 2. I.S.Tsitovich, editor) |
1984 |
| details |
Aalenian |
Bajocian |
USSR(Kazakh SSR) |
Zhiltsova,N.N. et al. Separation of Middle Jurassic deposits of the central and western parts of the Caspian Depression according to palynological data. (In: Sporen and Pollen in Oils and Deposits of Oil and Gas-Bearing Regions of the USSR.) |
1971 |