| details |
Middle Devonian |
|
USSR(Urals) |
Filimonova,A.B. et al. Spore assemblage of the Vorobyevka horizon of the Middle Devonian of the USSR (Russian Platform). (In: Spore-pollen Complexes and Stratigraphy of the Upper Proterozoic, Paleozoic and Mesozoic of the Volga-Uragarea and Central Asia. A.B.Filimonova and A.D.Archangelskaya, editors) |
1963 |
| details |
Middle Devonian |
|
USSR(Russian Platform) |
Filimonova,A.B. et al. Spore assemblage of the Vorobyevka horizon of the Middle Devonian of the USSR (Russian Platform). (In: Spore-pollen Complexes and Stratigraphy of the Upper Proterozoic, Paleozoic and Mesozoic of the Volga-Uragarea and Central Asia. A.B.Filimonova and A.D.Archangelskaya, editors) |
1963 |
| details |
Givetian |
|
USSR(Urals) |
Lyashenko,A.I. et al. Stratigraphy and lithology. (In: Devonian Deposits of the Volga-Ural Oil and Gas Bearing Region. A.I.Lyshenko and I.G.Gassanova, editors) |
1970 |