| details |
Early Visean |
|
USSR(Ukrainian SSR) |
Teteryuk,V.K. Stratigraphic separation of Lower Carboniferous deposits of the western part of the Donbas by spores and pollen |
1960 |
| original |
Middle Devonian |
|
USSR(Smolensk) |
Kedo,G.I. New species of spores from the Lower and Middle Devonian of the Western Russian Plain. (In: New Species of Fossil Fauna and Flora of Belorussia.) |
1976 |
| original |
Middle Devonian |
|
USSR(Belorussian SSR) |
Kedo,G.I. New species of spores from the Lower and Middle Devonian of the Western Russian Plain. (In: New Species of Fossil Fauna and Flora of Belorussia.) |
1976 |
| details |
Middle Visean |
|
USSR(European) |
Umnova,N.I. Palynological characteristics of Visean deposits of the Central Region of the Russian Plate. (In: Palinologicheskie issledovaniya Proterozoya i Fanerozoya neftegazonoshykh. T.V. Byvsheva, editor.) |
1980 |
| details |
Emsian |
Eifelian |
USSR(Russian Platform) |
Arkhangelskaya,A.D. Discussion on the Boarder Deposits of the Yarsov Region and its correlation with the Middle Devonia of the Russian Platform. (In: Middle Devonian of the USSR; Its Boundaries and Stage Subdivision. M.A. Kamaletdinova and M.A.Kzhonskitskaya, editors) |
1985 |