| details |
Cenomanian |
Santonian |
USSR(Kazakh SSR) |
Komarova,N.I. Pollen of the form genus Kuprianipollis, and its significance for starting of the Upper Cretaceous. (In: Paleomikrofitologicheskie issledovaniya dlya tselei stratigrafii. L.A. Panova, editor.) |
1980 |
| details |
Santonian |
Campanian |
USSR(Leningrad) |
Levina,A.P. et al. The Continental Santonian and Campanian Boksitogorsk deposits on the Western Slopes of the Tyrgaiskogo Trough |
1983 |
| details |
Cenomanian |
|
USSR(Kazakh SSR) |
Kruchinina,N.V. et al. Palynostratigraphyof Cretaceous deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |