| details |
Late Cretaceous |
Early Tertiary |
North America |
Kedves,M. et al. Problems of Cretaceous-Palaeogene palaeophytogeographical Regions based on palynological results 2. |
1970 |
| details |
Late Cretaceous |
Early Tertiary |
USSR(Siberia) |
Kedves,M. et al. Problems of Cretaceous-Palaeogene palaeophytogeographical Regions based on palynological results 2. |
1970 |
| details |
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 |
| details |
Late Maastrichtian |
|
North America |
Nichols,D.J. et al. Palynological evidence of effects of the terminal Cretaceous event on terrestrial floras in Western North America. (In: Extinction events in earth history. IGCP, Proceeding of Project 216. E.G.Kauffman and O.H.Walliser, editors) |
1990 |
| details |
Late Cretaceous |
Early Paleocene |
Argentina(Salta) |
Marquillas,R. et al. The K/T boundary prospecting in the Northwest Basin, Argentina. |
2003 |