| details |
Maastrichtian |
Danian |
USSR(WSL) |
Bondarenko,N.M. Palynological basis for the stratigraphy of the Upper Cretaceous deposits in the Basin of the River Bol'shaya Layda (Ust-Enisey area) |
1965 |
| details |
Senonian |
|
USSR(Far East) |
Bityutskaya,P.I. et al. Age of Cretaceous Volcanic rocks of the Okhotsk-Chukotka Volcanic Belt |
1979 |
| details |
Late Campanian |
Maastrichtian |
USSR(Sakhalin Oblast) |
Bityutskaya,P.I. et al. The significance of the palynological method for the subdivision of the Cretaceous deposits of the North-Western part of the Pacific biogeographic area. (In: Palynology, Method and Stratigraphy) |
1973 |