| details |
Early Visean |
Middle Visean |
USSR(Belorussian SSR) |
Golubtsov,V.K. Stratigraphy and Foraminifera of the Visean Stage in the Pripyat Depression. (In: Paleontology and Stratigraphy of the BSSR) |
1957 |
| 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 |
Visean |
|
USSR(Ulyanov) |
Byvsheva,T.V. The spore-pollen characteristics of the Lower Carboniferous in the Melemess and Buzuluk explora-Tory Drill Holes. |
1957 |
| details |
Visean |
|
USSR(Orenburg) |
Byvsheva,T.V. The spore-pollen characteristics of the Lower Carboniferous in the Melemess and Buzuluk explora-Tory Drill Holes. |
1957 |
| details |
Tournaisian |
|
USSR(Tatar ASSR) |
Bludorov,A.P. et al. Coal Measures of the Lower Carboniferous of Tatary |
1956 |
| details |
Visean |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. Spores. (In: Fauna and flora of Coal deposits of Galicia-Volyn Depression) |
1956 |
| details |
Early Carboniferous |
|
USSR(Urals) |
Tuzova,L.S. Spore-pollen complexes of the terrigenous Devonian and the Lower Carboniferous of Tertary and their value in stratigraphy. (In: Symposium on Problems of the Petroleum Geology of the Ural-Volga Region, USSR) |
1956 |
| details |
Visean |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. Spores and pollen of Lower Carboniferous deposits of the Western extension of the Donetz Basin and their values for stratigraphy. |
1956 |