| details |
Late Frasnian |
|
USSR(Kazakh SSR) |
Garetsky,R.G. et al. Lower Carboniferous and Upper Devonian deposits of the Zhanasu Region (Southern Embensky gravity maximum). |
1961 |
| details |
Frasnian |
|
USSR(Far East) |
Tuzova,L.S. Stratigraphic significance of the Devonian spores and pollen of eastern Tartary |
1959 |
| details |
Late Devonian |
Visean |
USSR(Ukrainian SSR) |
Ishchenko,A.M. Spore and pollen analysis of the Lower Carboniferous deposits of the Dnieper-Donets Basin. |
1958 |
| original |
Frasnian |
|
USSR(Russian Platform) |
Naumova,S.N. Spore-pollen complexes of the Upper Devonian of the Russian Platform and their significance for stratigraphy |
1953 |