| details |
Middle Givetian |
|
USSR(Urals) |
Fomina,L.S. Spore assemblages of terrigene Devonian in northern areas of the Volga-Urals Region. (In: Paleopalynoligical Method Applied in Stratigraphy. S.R.Samoilovich, editor) |
1968 |
| details |
Givetian |
|
USSR(Komi ASSR) |
Motovilov,P.I. Paleopalynological description of the Devonian deposits of the Ukhta District. (In: Geology of the South-Eastern European part of the USSR) |
1971 |
| details |
Givetian |
|
USSR(Ukrainian SSR) |
Raskatova,L.G. A detailed stratigraphic subdivision of the Devonian of the Central Devonian Field in the light of palynological evidence. |
1974 |