| original |
Nd |
|
Nd |
Lachkar,G. New definitions of the megaspore genera Valvisisporites and Pseudovalvisisporites and their principal species. |
1968 |
| details |
Westphalian B |
Early Westphalian D |
France(Lorraine) |
Loboziak,S. The micro and megaspores of the western part of the northern Coal Basin of France. |
1971 |
| details |
Late Namurian |
Late Westphalian A |
France(Pas-de-Calais) |
Loboziak,S. A Namurian or Lower Westphalian microflora from the Napoleon Quarry, Ferques, (Pas-de-Calais), France. |
1972 |
| details |
Westphalian A |
Westphalian B |
France(Pas-de-Calais) |
Loboziak,S. Contribution to the knowledge of the Lower Westphalian |
1972 |
| details |
Nd |
|
Nd |
Turner,N. et al. Palynological evidence for the age of the Coal Measures of the Titterstone Clee Coalfield, Shropshire, England. |
1990 |
| details |
Westphalian |
|
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 |
|
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 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 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 |
Westphalian |
|
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 |
Westphalian A |
|
Spain |
Lachkar,G. Megaspore assemblages in the Coal Seams of the "La Camocha" Mine (Province of Oviedo, Spain) |
1976 |
| details |
Westphalian A |
Westphalian D |
Germany |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Westphalian C |
|
W.Germany(N.Rhine) |
Lachkar,G. New definitions of the megaspore genera Valvisisporites and Pseudovalvisisporites and their principal species. |
1968 |
| details |
Westphalian A |
Westphalian D |
Netherlands |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Westphalian A |
Westphalian D |
France |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Westphalian A |
Westphalian D |
Spain |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |