| details |
Aptian |
Cenomanian |
USSR(Kazakh SSR) |
Kruchinina,N.V. et al. Palynostratigraphyof Cretaceous deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |
| details |
Aptian |
|
USSR(Moscow) |
Krutzsch,W. Micropaleontologic (spore paleontology), investigation of the Brown Coal of the Geiseltal. |
1959 |
| details |
Albian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. et al. On the question of developing entomorphs on Early Cretaceous plants. (In: Systematics and evolution of ancient flora in the Ukraine.Y.V.Teslenko, editor) |
1982 |
| details |
Albian |
|
Hungary |
Csaszar,G. The Middle Cretaceous in Hungary in Mid-Cretaceous events |
1976 |