| details |
Riphean |
|
USSR(Ukrainian SSR) |
Furtes,V.V. Microphytofossils from the Ouruch Series rocks of the north-west part of the Ukrainian Shield. |
1979 |
| details |
Frasnian |
|
Russia(Urals) |
Pershina,A.I. et al. The biogeographical zonation of the European North of the USSR (the Devonian). |
1976 |
| details |
Famennian |
|
USSR(Kaliningrad) |
Yalysheva,A.A. Palynostratigraphy of Devonian deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |
| details |
Namurian A |
|
Turkey |
Agrali,B. et al. Study of the microspores of the Carboniferous Basin of Amasra (1-2). |
1969 |