| details |
Middle Devonian |
Frasnian |
Africa(Sahara) |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| details |
Early Siegenian |
|
France |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| details |
Emsian |
|
France |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| details |
Late Arenigian |
|
Poland |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| details |
Silurian |
|
Libya |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| details |
Couvinian |
|
Spain |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| details |
Devonian |
|
Canada |
Nautiyal,A.C. The paleogeographic distribution of Devonian acritarchs and biofacies belts. |
1977 |
| details |
Nd |
|
Nd |
Wicander,E.R. et al. Organic-walled microphytoplankton and its stratigraphic significance from the Upper Devonian Antrim Shale, Indiana USA. |
1977 |
| details |
Emsian |
Eifelian |
Canada(Ontario) |
Playford,G. Lower to Middle Devonian acritarchs of the Moose River Basin, Ontario. |
1977 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Silurian |
|
Bulgaria |
Sergeeva,L.A. et al. On the Paleozoic age of the metamorphic rocks in Stradza |
1979 |
| details |
Givetian |
|
Ohio |
Wicander,R. et al. Systematics and biostratigraphy of the organic-walled microphytoplankton from the Middle Devonian, (Givetian), Silica Formation, Ohio, USA. |
1981 |
| details |
Eifelian |
Givetian |
Illinois |
Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. |
1983 |
| details |
Givetian |
Middle Famennian |
Ohio |
Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. |
1983 |
| details |
Late Frasnian |
Early Famennian |
Indiana |
Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. |
1983 |
| details |
Frasnian |
Famennian |
Canada(Alberta) |
Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. |
1983 |
| details |
Frasnian |
Famennian |
Canada(Saskatchewan) |
Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. |
1983 |