| details |
Eocene |
|
USSR(Yakut ASSR) |
Tomskaya,A.I. Palynology of Cenozoic deposits of Yakut. |
1981 |
| details |
Tertiary |
|
USSR(Yakut ASSR) |
Tomskaya,A.I. Resemblance of Cenozoic floras of Yakutia and North America. (In: Beringia in the Cenozoic Era. V.L.Kontrimavichus, editor) |
1985 |
| details |
Middle Oligocene |
Late Oligocene |
USSR(Yakut ASSR) |
Fradkina,A.F. The geological sections and their palynological characteristics. (In: Palynoflora of the Neogene of Northeast Asia. (Yakut, Priokhotsk, Chukotka, Kamchatka. A.F.Fradkina) |
1983 |
| details |
Late Oligocene |
|
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 Oligocene |
|
Vermont |
Traverse,A. The nomenclatural problem of plant microfossil species belonging to extant genera. |
1957 |
| details |
Oligocene |
Miocene |
W.Germany(Rhineland) |
Thomson,P.W. The stratigraphic significance of the sporomorphs. |
1952 |
| details |
Late Neogene |
Pleistocene |
Worldwide |
Muller,J. Fossil pollen records of extant angiosperms. |
1981 |