| details |
Middle Frasnian |
Late Frasnian |
USSR(Russian Platform) |
Avkhimovich,V.I. et al. Middle and Upper Devonian miospore zonation of eastern Europe. |
1993 |
| details |
Frasnian |
Famennian |
USSR(Belorussian SSR) |
Obukhovskaya,T.G. Zonal differentiation of the Frasnian-Famennian boundary deposits in Belarus by plant spores |
1993 |
| details |
Late Frasnian |
|
Belarus |
Obukhovskaya,T.G. et al. Miospores from the Frasnian - Famennian boundary deposits in Eastern Europe (the Pripyat Depression, Belarus and the Timan - Pechora Province, Russia) and comparison with Western Europe (Northern France). |
2000 |