| details |
Givetian |
Frasnian |
USSR(Ukrainian SSR) |
Novik,E.O. Stratigraphy of the Devonian deposits of the Dnieper-Donetz Basin |
1954 |
| details |
Late Devonian |
|
USSR(Ukrainian SSR) |
Shulga,P.L. et al. New data on the Devonian of the Dnepr-Donets Depression. |
1957 |
| details |
Late Devonian |
Tournaisian |
USSR(Ukrainian SSR) |
Ishchenko,A.M. Spore and pollen analysis of the Lower Carboniferous deposits of the Dnieper-Donets Basin. |
1958 |
| details |
Devonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |