details |
Early Albian |
Middle Albian |
USSR |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |
details |
Aptian |
Albian |
USSR(Krasnoyarsk Kray) |
Kurnosova,G.N. Spore-pollen complexes from Mesozoic deposits opened up by exploratory boreholes of Belogorsk, Kassa and Eloguisk in the Egion of Krasnoyarsk |
1960 |
details |
Malm |
|
USSR(Krasnoyarsk Kray) |
Kurnosova,G.N. Spore-pollen complexes from Mesozoic deposits opened up by exploratory boreholes of Belogorsk, Kassa and Eloguisk in the Egion of Krasnoyarsk |
1960 |
details |
Hauterivian |
Barremian |
USSR(Krasnoyarsk Kray) |
Kurnosova,G.N. Spore-pollen complexes from Mesozoic deposits opened up by exploratory boreholes of Belogorsk, Kassa and Eloguisk in the Egion of Krasnoyarsk |
1960 |
details |
Hauterivian |
Barremian |
USSR(Siberia) |
Chlonova,A.F. Palynological characteristics of Cretaceous Layers in Siberia and the Far East. |
1971 |
details |
Early Hauterivian |
Late Hauterivian |
USSR(Kazakh SSR) |
Shakhmundes,V.A. Stratigraphy of Hauterivian deposits in northern Pre-Caspian based on palynology. (In: Palynology in Petroleum Geology. N.M.Ivanova, editor) |
1971 |