| details |
Oligocene |
|
USSR(Primorsk Kray) |
Sedova,I.M. Oligocene spore-pollen complexes of Southern Primorsk of the (Soviet) Far East |
1956 |
| details |
Oligocene |
Miocene |
USSR(Primorsk Kray) |
Sedova,M.A. Oligocene and Miocene flora and vegetation of Primorsk Region according to palynological analyses. |
1957 |
| 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 |
Early Triassic |
|
USSR(Yakut ASSR) |
Skripina,G.F. Evolution of vegetation of Yakutia in the Triassic; Palynologic data. (In: Life on Ancient Continents: Its Establishment and Expansion.) |
1981 |
| details |
Early Kazanian |
|
USSR(European) |
Zoricheva,A.I. et al. Spore-pollen complexes of Upper Permian deposits of various Regions of the North of the European part of the USSR. |
1954 |