| details |
Albian |
Cenomanian |
USSR(WSL) |
Markova,L.G. et al. Correlation of Continental Cenomanian Layers of some Southern Regions in the Western Siberian Lowlands, based on paleobotanical facts. |
1967 |
| details |
Aalenian |
Late Jurassic |
USSR(Siberia) |
Romanovskaya,G.M. Triassic and Jurassic spore-pollen assemblages of the Asiatic Part of the USSR (from the Urals to Yenesie). (In: Stratigraphy and Paleontology of Mesozoic and Paleogene-Neogene Continental deposits of the Asiatic Part of the USSR.) |
1967 |
| details |
Aalenian |
Late Albian |
USSR(Kazakh SSR) |
Alekseeva,V.I. Stages of flora development during Jurassic and Early Cretaceous in the eastern part of North Pre-Caspian with reference to palynological evidence. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Aalenian |
|
USSR(Ukrainian SSR) |
Semenova,E.V. Spore-pollen complexes of Triassic (Ret), and Lower and Middle Jurassic of the northwestern part of the Donetz Basin. (In: The Importance of Palynological Analysis for the Stratigraphic and Paleofloristic Investigations. M.I. Nejshtadt, editor. Papers for the Second International Palynology Conference., Utrecht,1966) |
1966 |