| details |
Devonian |
|
USSR(Urals) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Famennian |
|
USSR(European) |
Sergeyeva,L.A. et al. Upper Devonian microphytofossils of the Dnepr-Donets Depression |
1979 |
| details |
Early Famennian |
|
USSR(Ukrainian SSR) |
Sergeeva,L.A. Zonal differentiation of the Upper Devonian deposits from the Dnieper-Donets Basin on the basis of microplytofossils. (In: New data on the stratigraphy and fauna of the Phanerozoic of the Ukraine) |
1982 |
| details |
Early Famennian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |