| details |
Westphalian C |
Westphalian D |
USSR(Ukrainian SSR) |
Teteryuk,V.K. Namurian Stage analogues in the Carboniferous Period of the Donets Basin, (based on palynological data). |
1976 |
| details |
Westphalian B |
Westphalian C |
Czechoslovakia |
Valterova,P. et al. New results of coal-petrological and palynological exploration of the Zacler Formation, (Bohemian part of the Lower Silesian Basin). |
1988 |
| details |
Westphalian |
Stephanian |
Romania |
Visarion,A. The spore-pollen assemblage of the Late Carboni Ferous Dragdsel Syncline-Sirinia zone |
1969 |