| details |
Frasnian |
Famennian |
USSR(European) |
Sergeyeva,L.A. et al. Upper Devonian microphytofossils of the Dnepr-Donets Depression |
1979 |
| details |
Frasnian |
|
USSR(Belorussian SSR) |
Nekryata,N.S. Spore assemblages of the Lower Famennian, (Intersaliferous) Strata of the Pripyat Depression and their stratigraphic significance. |
1974 |
| details |
Late Frasnian |
|
USSR(Ukrainian SSR) |
Sergeyeva,L.A. et al. Micropaleophytological characterization of Devonian deposits from the Dnieper-Donets Basin. |
1974 |
| original |
Late Frasnian |
Early Famennian |
USSR(Ukrainian SSR) |
Nazarenko,A.M. et al. New species of spores from the Frasnian Stage of the Russian Platforma and Altai. (In: Palynology research in Byelorussia and other Regions of the USSR) |
1971 |