| details |
Early Eifelian |
|
USSR(Kemerovskaya) |
Chibrikova,E.V. et al. Correlation and age of the lower horizons of the Devonian of the Western Slopes of the Southern Urals, Priuralia and the Kuznetskii Coal Basin according to plant microfossils. |
1971 |
| details |
Late Frasnian |
|
USSR(Nenets Nat.Okrug) |
Sennova,V.F. Spore-pollen assemblages of the Upper Devonian of the Timan-Pechora Province. |
1972 |
| details |
Emsian |
|
USSR(Ukrainian SSR) |
Lomayeva,E.T. The Early Devonian microfossil assemblages from a core of the Kamensko-Bugskaya Well No.4 |
1976 |
| details |
Late Emsian |
Early Eifelian |
USSR(Urals) |
Chibrikova,E.V. et al. Stratigraphy and correlation of Lower and Middle Devonian deposits of the USSR based on palynological data. (Materials of the Palynological Colloquim Held in Ukhta, Oct.1973). (In: Geology and hydrocarbons of the North-East of the European part of the USSR) |
1977 |