| details |
Early Eifelian |
|
USSR(Saratov) |
Tikhiy,V.N. What does really belong to the Eifelian Stage on the Russian Platform? |
1972 |
| details |
Eifelian |
|
USSR(Russian Platform) |
Tikhiy,V.N. The eastern part of the Russian Platform; The Volga-Ural oil-bearing Province. (In: Devonian Systems. D.V.Nalivkin et al, editors) |
1973 |
| details |
Early Devonian |
|
USSR(Russian Platform) |
Tikhiy,V.N. et al. Age of the Kazanla Suite and the beginning of Devonian sedimentation on the Russian Platform |
1973 |
| details |
Gedinnian |
Early Emsian |
USSR(Baltic) |
Stanichnikova,M.S. Lower Devonian spore assemblage from the Baltic Region. (In: Questions of Phytostratigraphy. S.R.Samoilovich et al, editors) |
1977 |