| details |
Early Carboniferous |
Early Bashkirian |
USSR(Ukrainian SSR) |
Ishchenko,A.M. Spore and pollen analysis of the Lower Carboniferous deposits of the Dnieper-Donets Basin. |
1958 |
| details |
Early Carboniferous |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. Some preliminary results from spore analysis and study of the stratigraphy and paleogeography of the Carboniferous deposits of the USSR. |
1950 |
| details |
Visean |
|
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 |
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 |
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 |