| original |
Late Campanian |
Danian |
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 |
| original |
Maastrichtian |
Paleocene |
USSR(Sakhalin Oblast) |
Budrin,V.S. et al. The age of Cretaceous and Paleogene boundary deposits in Sakhalin. (In: Palynology, Method and Stratigraphy) |
1973 |
| original |
Maastrichtian |
|
Canada(Yukon) |
Rouse,G.E. et al. Palynological Zonation of Cretaceous and Early Tertiary rocks of the Bonnet Plume Formation, northeastern Yukon, Canada. |
1972 |