| details |
Early Visean |
|
USSR(Urals) |
Lyadova,R.A. et al. Lower and Middle Visean deposits of the Polyudovsk Rise. (In: Carboniferous Stratigraphy, Fusulinidae and Miospores of the Urals, Svedlovsk. G.N.Papulov et al, editor) |
1980 |
| details |
Devonian |
|
USSR(Urals) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Late Carboniferous |
Early Permian |
USSR(Urals) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| 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 |
Late Carboniferous |
|
USSR(Voronezh) |
Evtekhova,E.K. et al. New data on the Lower Carboniferous deposits in the South Voronezh Region. |
1984 |