| details |
Aalenian |
Bajocian |
USSR(Uzbek SSR) |
Barkhatnaya,I.N. et al. Spore-pollen characteristics of Jurassic deposits, Western Uzbekistan. (In: Fossil Spores and Pollen of Plants and their Significance for their Stratigraphic Subdivivision of Oil and Gas Bearing Series of Precambrian, Paleozoic and Mesozoic rocks in the European and Central Asian Regions of the USSR. S.V.Semikhatovoi, V.P.Grichuka, and K.A.Bolkhovitina, editors) |
1967 |
| details |
Hauterivian |
Barremian |
USSR(WSL) |
Markova,L.G. The history of development of the Early Cretaceous flora from the Western Siberian Lowlands (Based on palynological facts). |
1971 |
| details |
Bajocian |
Bathonian |
USSR(Kazakh SSR) |
Prosviryakova,Z.P. The Jurassic flora of the Mangyshlak Peninsula and its stratigraphic significance |
1966 |
| 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 |