| original |
Eocene |
|
USSR(Yakut ASSR) |
Kulkova,I.A. Eocene flora of Iana-Indigirska Lowland and its comparison with Synchronous floras of other Territories of the northern Hemisphere. (In: Cenozoic Flora of Siberia According to Palynological Data. V.N.Sacks and V.S.Volkova, editors) |
1971 |
| original |
Late Cretaceous |
Early Paleogene |
China(Yunnan) |
Sung,T.C. et al. Mesozoic and Early Paleogene sporo-pollen assemblages from Yunnan, China. Part II. Early Upper Cretaceous assemblages from Lufeng and Mouding and late Upper Cretaceous-early Paleogene assemblage from Mengla, Yunnan. (In: Mesozoic Fossils from Yunnan) |
1976 |
| original |
Middle Eocene |
Early Oligocene |
Canada(Yukon) |
Ridgway,K.D. et al. Climatically induced floristic changes across the Eocene - Oligocene transition in the northern high latitudes, Yukon Territory, Canada. |
1995 |