| details |
Late Devonian |
|
USSR(Ukrainian SSR) |
Sergeyeva,L.A. et al. Establishment of the age of the Paleozoic Salts in the South-Eastern Part of the Dnieper-Donets Depression according to the spore-pollen analysis. |
1964 |
| details |
Early Carboniferous |
|
USSR(Yaroslav) |
Bagdasaryan,L.L. The significance of microphytofossils in the solving of some problems in petroleum geology. (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
| details |
Famennian |
|
USSR(Ukrainian SSR) |
Raznitsyn,V.A. On the stratigraphic position, faunistic and palynological characteristic of the Devonian / Carboniferous transition strata in the Dnieper-Don Depression. |
1981 |