| details |
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 |
| details |
Late Oligocene |
Early Miocene |
USSR(Yakut ASSR) |
Fradkina,A.F. et al. Late Oligocene and Miocene flora of the Aldan Basin and its comparison with floras of North-East USSR and Alaska. (In: Cenozoic Flora of Siberia According to Palynological Data. V.N.Sacks and V.S.Volkova, editors) |
1971 |
| details |
Late Tertiary |
|
USSR(Yakut ASSR) |
Rybakova,N.O. Spore pollen complexes from the Neogene of Arctic Yakut |
1973 |
| details |
Miocene |
|
W.Germany(Rhineland) |
Burgh,J.Van Der et al. Possibilities of correlating wood and pollen data from the Rhenish Browncoal. |
1967 |
| details |
Middle Eocene |
Pleistocene |
Worldwide |
Muller,J. Fossil pollen records of extant angiosperms. |
1981 |