| original |
Westphalian |
Stephanian |
France(Moselle) |
Bharadwaj,D.C. The palynological investigations of the Saar Coals. Part 1-Morphography of sporae dispersae. |
1957 |
| original |
Westphalian |
Stephanian |
W.Germany(Saarland) |
Bharadwaj,D.C. The palynological investigations of the Saar Coals. Part 1-Morphography of sporae dispersae. |
1957 |
| details |
Nd |
|
Nd |
Lachkar,G. New definitions of the megaspore genera Valvisisporites and Pseudovalvisisporites and their principal species. |
1968 |
| details |
Late Carboniferous |
|
France(Rhin,Bas) |
Lachkar,G. Megaspores of the Saar-Lorraine Coal Basin. a systematic study and statistical application to the Upper Carboniferous stratigraphy. |
1975 |
| details |
Late Carboniferous |
|
W.Germany(Saarland) |
Lachkar,G. Megaspores of the Saar-Lorraine Coal Basin. a systematic study and statistical application to the Upper Carboniferous stratigraphy. |
1975 |