| details |
Early Tertiary |
|
USSR(Yakut ASSR) |
Fradkina,A.F. et al. Paleogene spore-pollen complexes of Western Yakutija. (In: Contributions to Paleophytology of Siberia. A.F.Khlonova, editor) |
1976 |
| original |
Ypresian |
Lutetian |
Morocco |
Mohr,B.A.R. et al. An Eocene microfloral assemblage, (sporomorphs and dinocysts) of the south Atlas Border Zone west of Boumalne du Dades, (Morocco). |
1986 |
| details |
Early Paleocene |
|
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 |