| details |
Late Turonian |
Early Senonian |
USSR(Kazakh SSR) |
Polumiskova,K.A. et al. Changes in floras during the Upper Cretaceous and Paleogene Tim the Territory of Kazakhstan. (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 |
Late Aptian |
Early Cenomanian |
Atlantic Ocean |
Habib,D. Middle Cretaceous palynomorphs in a deep-sea core from the seismic reflector Horizon A outcrop area. |
1969 |
| details |
Cenomanian |
|
USSR(Urals) |
Papulov,G.N. Change of floras at the Early-Late Cretaceous boundary of the Urals as revealed by palynological evidence. |
1971 |
| details |
Campanian |
Paleocene |
USSR(Kazakh SSR) |
Blyakhova,S.M. Palynology and stratigraphy of Cretaceous and Paleogene boundary deposits of Southern Kazakhstan. |
1976 |