| details |
Aptian |
|
USSR(Moscow) |
Timoshina,N.A. The biostratigraphic significance of fern spores to Jurassic deposits of Western Kazakhstan. (In: Palynological investigations of Paleozoic and Mesozoic deposits of northern USSR and Precaspian) |
1985 |
| details |
Middle Bathonian |
Late Bathonian |
USSR(Mangyshlak ASSR) |
Timoshina,N.A. The biostratigraphic significance of fern spores to Jurassic deposits of Western Kazakhstan. (In: Palynological investigations of Paleozoic and Mesozoic deposits of northern USSR and Precaspian) |
1985 |
| details |
Bathonian |
|
USSR(Kazakh SSR) |
Timoshina,N.A. et al. New data on the palynostratigraphy of the Jurassic sediments beneath the Mangyshlak |
1985 |