| details |
Late Devonian |
|
Canada(Alberta) |
Lister,T.R. The acritarchs and chitinozoa from the Wenlockian and Ludlowvian series of the Ludlovian and Millichope areas, Shrophire. |
1970 |
| details |
Late Frasnian |
Early Famennian |
Belgium |
Bouckaert,J. et al. The Frasnian-Famennian boundary in Belgium |
1972 |
| details |
Early Famennian |
|
Belgium |
Martin,F. Acritarchs of the Lower Famennian of Villiers-sur-Lesse (Belgium). |
1981 |
| details |
Late Frasnian |
|
Belgium |
Martin,F. Acritarchs and chitinozoans from the upper part of the Frasnian in an outcrop immediately north of Frasnes, (Belgium). |
1982 |
| details |
Late Frasnian |
Early Famennian |
Belgium |
Martin,F. Upper Frasnian and Lower Famennian acritarchs from the southern margin of the Dinant Basin, Ardennes, Belgium. |
1984 |
| details |
Frasnian |
|
Canada(Alberta) |
Turner,R.E. New and revised acritarch taxa from the Upper Devonian Frasnian of Alberta, Canada. |
1986 |
| details |
Late Devonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Famennian |
|
Algeria |
Moreau-Benoit,A. et al. Palynological study of the Devonian in the Illizi Basin (East Algerian Sahara) biostratigraphical approach |
1993 |
| details |
Early Tournaisian |
Middle Tournaisian |
Spain |
Lachkar,G. et al. Discovery of Tournasian microflora from the eastern Iberian Chain (Spain) |
1993 |