| details |
Westphalian D |
|
France(Lorraine) |
Lachkar,G. et al. Distribution of megaspores in the Westphalian D and Lower Stephanian of the Coal Basin of Lorraine |
1965 |
| 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 |
| details |
Late Westphalian |
|
France(Lorraine) |
Loboziak,S. et al. Palaeobotanical and palynological research of the Upper Westphalian in the Marienau and Cocheren Country, Coal Mines in the Lorraine Basin. |
1976 |
| details |
Carboniferous |
|
W.Germany(Saarland) |
Lachkar,G. On the systematic position of Triletes saarensis J.Zerndt, 1940. |
1965 |