| details |
Late Devonian |
Late Devonian |
USSR(Ukrainian SSR) |
Ishchenko,A.M. Spore and pollen analysis of the Lower Carboniferous deposits of the Dnieper-Donets Basin. |
1958 |
| details |
Hauterivian |
|
USSR(Kazakh SSR) |
Garetsky,R.G. The Depth-Geology of the Kokpectinskaya Anticline near Mugodzar Region. |
1957 |
| 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 |
| original |
Early Famennian |
|
USSR(Russian Platform) |
Naumova,S.N. Spore-pollen complexes of the Upper Devonian of the Russian Platform and their significance for stratigraphy |
1953 |