| details |
Middle Jurassic |
|
USSR(Ukrainian SSR) |
Semenova,E.V. Palynological characteristic of Jurassic deposits of the North-Western Pary of the Donetsk Basin |
1966 |
| 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 |