details |
Tournaisian |
|
USSR(Belorussian SSR) |
Kedo,G.I. The stratigraphy and spore-pollen Groups of the Lower levels of the Carboniferous of the Belorussian SSRsr. |
1957 |
details |
Early Carboniferous |
|
USSR(Belorussian SSR) |
Kedo,G.I. The spore and pollen features of the Lower Carboniferous horizons of the Belorussian S.S.R. |
1958 |
details |
Carboniferous |
Early Carboniferous |
USSR(Ukrainian SSR) |
Golubtsov,V.K. et al. On the discovery of deposits of the Yasnaya Polyana Substage of the Lower Carboniferous in the Chernigov deep well |
1959 |
details |
Tournaisian |
|
USSR(Kazakh SSR) |
Stanichnikova,M.S. et al. Palynological characteristics of Permian and Carboniferous deposits of the southeast part of the Pre-Caspian Basin. (In: Palynological studies (Collected Articles) |
1976 |