| details |
Early Visean |
|
USSR(Belorussian SSR) |
Kedo,G.I. Spores of the Lower Carboniferous of the Pripyat Trough, (Yasmopolyanskii Substage). (In: Paleontology and Stratigraphy of the BSSR) |
1966 |
| details |
Visean |
|
USSR(Moscow) |
Andreeva,E.M. et al. Palaeopalynology. (Three Volumes: Volume I: Methods. Volume II: Complexes of palynomorphs of the Precambrian-Holocene of the USSR. Volume III: Figures and Plates. Editor-I.M. Pokrovskaya) |
1966 |
| details |
Visean |
|
USSR(Russian Platform) |
Andreeva,E.M. et al. Palaeopalynology. (Three Volumes: Volume I: Methods. Volume II: Complexes of palynomorphs of the Precambrian-Holocene of the USSR. Volume III: Figures and Plates. Editor-I.M. Pokrovskaya) |
1966 |
| 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 |