original |
Tournaisian |
|
USSR(Belorussian SSR) |
Kedo,G.I. Tournaisian spores of the Pripyat Depression and their stratigraphic significance. |
1963 |
details |
Visean |
|
USSR(Tatar ASSR) |
Byvsheva,T.V. New species of spores in Lower Carboniferous deposits of the Volgo-Ural Area. (In: Palynology and Stratigraphy of the Paleozoic, Mesozoic and Paleogene of the European Part of the USSR and Central Asia) |
1971 |
details |
Visean |
|
USSR(Udmurt ASSR) |
Byvsheva,T.V. New species of spores in Lower Carboniferous deposits of the Volgo-Ural Area. (In: Palynology and Stratigraphy of the Paleozoic, Mesozoic and Paleogene of the European Part of the USSR and Central Asia) |
1971 |