| details |
Namurian |
|
Spain |
Butterworth,M.A. The distribution of Densospores. |
1966 |
| details |
Namurian |
|
England |
Butterworth,M.A. The distribution of Densospores. |
1966 |
| details |
Westphalian A |
Westphalian D |
Poland |
Butterworth,M.A. The distribution of Densospores. |
1966 |
| details |
Westphalian A |
|
Canada(Nova Scotia) |
Barss,M.S. Carboniferous and Permian spores of Canada. |
1967 |
| details |
Westphalian |
|
France(Pas-de-Calais) |
Liabeuf,J.J. et al. Palynologic study of some Coal Seams of the Faisce Faisceau D'Edouard, (Northern Basin and the Pas-de-Calais). |
1968 |
| details |
Westphalian |
|
France(Pas-de-Calais) |
Loboziak,S. et al. The micro and megaspores of the Faisceau de Dusouich in the Groupe de Lens, (H.B.N.P.C.). |
1968 |
| details |
Westphalian |
|
France(Pas-de-Calais) |
Loboziak,S. et al. The micro and megaspores of the Faisceau de Dusouich in the Groupe de Lens, (H.B.N.P.C.). |
1968 |
| details |
Namurian A |
Westphalian B |
Poland |
Chaloner,W.G. A Sporangiostrobus with Densosporites microspores |
1962 |
| details |
Rhaetian |
Hettangian |
Poland |
Grabowska,I. et al. Flora from the Lower and Middle Jurassic microflora |
1970 |
| details |
Cretaceous |
|
Poland |
Turnau,E. The age of coal fragments from the Cretaceous deposits in the Outer Carpathians, determined on miospores. |
1962 |