| details |
Middle Eocene |
Late Eocene |
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 Eocene |
|
USSR(Yakut ASSR) |
Kulkova,I.A. Pistillipollenites mcgregorii Rouse, 1962 pollen in the Eocene of Yakutia. |
1968 |
| details |
Late Eocene |
|
USSR(Yamalo-Nenets) |
Lyubomirova,K.A. The palynological characteristics of the Chegansk horizon of North West Siberia. (In: Palynological Studies. Collected Articles. S.R.Samoilovich, editor) |
1976 |