| details |
Visean |
|
USSR(Khakass A.O.) |
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 |
Middle Visean |
|
USSR(Russian Platform) |
Byvsheva,T.V. Palynological description and stratigraphy of the Tournaisian and Lower and Middle Visean deposits of the eastern Regions of the Russian Platform. |
1971 |
| details |
Visean |
|
USSR(Urals) |
Burilova,R.V. et al. Spore-pollen assemblages. (In: Paleontological Atlas, Carboniferous Deposits of the Urals.) |
1975 |
| original |
Visean |
|
USSR(Urals) |
Byvsheva,T.V. Palynological character and stratigraphical arrangement of the Bobrikov horizon as found in the Lower Carboniferous Period of the Volga-Urals Region. |
1967 |
| details |
Early Visean |
|
USSR(Ukrainian SSR) |
Shulga,P.L. et al. The Paleozoic Formations of the Belokorovichi Graben Syncline, northwestern Ukrainian Shield. |
1982 |
| details |
Visean |
|
USSR(Belgorod) |
Gurevich,A.B. On the Lower Carboniferous deposits of the Belgorod-Oboyan Region |
1959 |