| details |
Frasnian |
|
USSR(European) |
Sergeyeva,L.A. et al. Upper Devonian microphytofossils of the Dnepr-Donets Depression |
1979 |
| details |
Devonian |
|
USSR(Yakut ASSR) |
Pashkevich,N.G. Coding of morphological characteristics of miospores of Devonian vegetation. |
1975 |
| original |
Late Frasnian |
|
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 |
| details |
Frasnian |
|
USSR(Belorussian SSR) |
Bagdasaryan,L.L. Palynological characteristics of oil ranges of Belorussia. (In: Palynological Studies. Collected Articles. S.R.Samoilovich, editor) |
1976 |