| details |
Oligocene |
|
USSR(Primorsk Kray) |
Sedova,I.M. Oligocene spore-pollen complexes of Southern Primorsk of the (Soviet) Far East |
1956 |
| details |
Paleocene |
Early Eocene |
Washington |
Griggs,P.H. Stratigraphic significance of fossil pollen and spores of the Chuckanut Formation, northwest Washington. |
1965 |
| details |
Rhaetian |
|
USSR(Ukrainian SSR) |
Semenova,E.V. On the boundary between Triassic and Jurassic in the North-West Margin of Donbas according to data of spore-pollen analysis |
1965 |
| details |
Ufimian |
|
USSR(Komi ASSR) |
Chalyshev,V.I. et al. The boundary of the Permian and Triassic in the Red-Colored deposits of northern Priural |
1965 |
| details |
Valanginian |
|
USSR(WSL) |
Mchedlishvili,N.D. Lower Cretaceous flora of the northwestern part of the Western Siberian Lowland. (In: Palynology in Petroleum Geology. N.M.Ivanova, editor) |
1971 |