| details |
Bajocian |
|
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 |
| details |
Hauterivian |
Barremian |
USSR(WSL) |
Voitsel,Z.A. et al. Palynological characteristics of Berraisian (?), Valanginian and Hauter-Barremian deposits of the Ob-Irtysh Interfluve. (In: Paleopalynology Material of Central Siberia. L.E.Markova, editor) |
1971 |
| details |
Campanian |
Maastrichtian |
USSR(Yamalo-Nenets) |
Bondarenko,N.M. Palynological basis of stratigraphic differential on of Upper Cretaceous deposits discovered in bore holes from drill cores of the Ob Bay District. (In: Paleontology and Biostratigraphy of the Soviet Arctic. #2. N.A.Shvedov, editor) |
1961 |