| details |
Frasnian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Devonian |
Middle Devonian |
France |
Coquel,R. The spores. |
1981 |
| details |
Frasnian |
|
France(Pas-de-Calais) |
Taugourdeau-Lantz,J. Spores from the Frasnian of an authorized region, the Boulonnais. |
1971 |
| details |
Visean |
|
France(Vosges) |
Doubinger,J. et al. Palynology of Visean marine formations at Bourbach-le-Haut in Southern Vosges. |
1970 |
| details |
Visean |
Westphalian D |
Turkey |
Agrali,B. et al. Study of the microspores of the Carboniferous Basin of Amasra (1-2). |
1969 |
| details |
Visean |
|
France(Vosges) |
Doubinger,J. et al. Spores of the marine Visean of Bourbach-Le-Haut in the Southern Vosges. |
1966 |
| details |
Early Frasnian |
|
France(Boulonnais) |
Taugourdeau-Lantz,J. On the Lower Frasnian microflora of Beaulieu (Boulonnais). |
1960 |
| original |
Frasnian |
|
USSR(Russian Platform) |
Naumova,S.N. Spore-pollen complexes of the Upper Devonian of the Russian Platform and their significance for stratigraphy |
1953 |