| original |
Givetian |
|
USSR(Bashkir ASSR) |
Chibrikova,E.V. Spores of the Devonian terrigenous deposits of Western Bashkiria and the Western Slopes of the Southern Urals |
1962 |
| details |
Early Frasnian |
|
USSR(Bashkir ASSR) |
Arkhangelskaya,A.D. A new spore complex and the problem of the boundary between the Middle and the Upper Devonian in the Volga-Ural Region. |
1962 |
| details |
Early Frasnian |
|
USSR(Orenburg) |
Arkhangelskaya,A.D. A new spore complex and the problem of the boundary between the Middle and the Upper Devonian in the Volga-Ural Region. |
1962 |
| details |
Early Frasnian |
|
USSR(Kuybyshev) |
Arkhangelskaya,A.D. A new spore complex and the problem of the boundary between the Middle and the Upper Devonian in the Volga-Ural Region. |
1962 |
| original |
Late Devonian |
|
USSR(Bashkir ASSR) |
Chibrikova,E.V. Spores from Devonian and older deposits of Bashkir |
1959 |
| details |
Late Devonian |
|
USSR(Russian Platform) |
Chibrikova,E.V. Spores from Devonian and older deposits of Bashkir |
1959 |