| details |
Early Visean |
|
USSR(Urals) |
Burilova,R.V. Changes in the spore assemblages in the section of the West Urals Coal-bearing Formation as a basis for its subdivision. (In: Palynology of Proterophyte and Palaeophyte.S.N.Naumova, editor) |
1974 |
| details |
Visean |
|
USSR(Urals) |
Burilova,R.V. et al. Spore-pollen assemblages. (In: Paleontological Atlas, Carboniferous Deposits of the Urals.) |
1975 |
| details |
Visean |
|
USSR(Urals) |
Burilova,R.V. et al. Spore-pollen assemblages. (In: Paleontological Atlas, Carboniferous Deposits of the Urals.) |
1975 |
| details |
Visean |
|
USSR(Urals) |
Bludorova,E.A. The role of the paleopalynological method in solving the problem of the borderline between the Tournaisian and Visean Stages in the Volga-Urals Region. (In: Paleopalynoligical Method Applied in Stratigraphy. S.R.Samoilovich, editor) |
1968 |
| details |
Carboniferous |
|
USSR(Yaroslav) |
Bagdasaryan,L.L. The significance of microphytofossils in the solving of some problems in petroleum geology. (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
| details |
Early Visean |
|
USSR(Urals) |
Ananiev,A.R. et al. Stratigraphy of the Coal-bearing Lower Carboniferous of the eastern Slope of the Urals. (In: Paleontological Characteristics of the Main Subdivisions of the Carboniferous.) |
1979 |