| original |
Siegenian |
Emsian |
Canada(Ontario) |
Playford,G. Lower to Middle Devonian acritarchs of the Moose River Basin, Ontario. |
1977 |
| details |
Late Siegenian |
Emsian |
Canada(Ontario) |
Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. |
1983 |
| details |
Early Givetian |
|
Libya |
Moreau-Benoit,A. Middle and Upper Devonian acritarchs and chitinozoans from Western Libya. |
1984 |
| details |
Emsian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Emsian |
|
Algeria |
Moreau-Benoit,A. et al. Palynological study of the Devonian in the Illizi Basin (East Algerian Sahara) biostratigraphical approach |
1993 |