| original |
Late Emsian |
Early Eifelian |
USSR(Yaroslav) |
Umnova,V.T. New species of spores in Dopyarnusk deposits of the Devonian (Upper Emsian?-Lower Eifelian?). (In: Palynological investigations in Belorussia and other Regions of the USSR. V.K.Golubzov et al, editors) |
1971 |
| original |
Late Emsian |
Early Eifelian |
USSR(Yaroslav) |
Umnova,V.T. New spore species from Devonian Dopvarnuskikh deposits (Late-Emsian-Early Eifelian). (In: Palynological investigations in Belorussia and other Regions of the USSR. V.K.Golubzov et al, editors) |
1971 |
| 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 |