| details |
Aptian |
Early Albian |
USSR(Trans-Urals) |
Boytsova,E.P. Lower Cretaceous spore-pollen complexes of the Central Asia Trans-Urals. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Aalenian |
Bathonian |
USSR(Kazakh SSR) |
Prosviryakova,Z.P. The Jurassic flora of the Mangyshlak Peninsula and its stratigraphic significance |
1966 |
| details |
Aalenian |
Bathonian |
USSR(Far East) |
Korotkevich,V.D. Palynologic characteristics of the marine Jurassic and Lower Cretaceous sediments discovered in wells of Tyumatine and Ulakhan-Yruakhsk Uchastkakh (Lena-Olenek Region). |
1963 |