| details |
Emsian |
Famennian |
Africa |
Combaz,A. et al. The "Leiofusidae" Eisenack, 1938. |
1967 |
| details |
Middle Devonian |
Late Devonian |
|
Lange,F.W. Biostratigraphic subdivision and correlation of the Devonian in the Parana Basin |
1967 |
| details |
Late Devonian |
|
Tunisia |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| details |
Couvinian |
|
Tennessee |
Reaugh,A.B. Acritarch assemblages from the ?Couvinian-Tournaisian Chattanooga Black Shales in northeastern Tennessee, USA. |
1976 |
| details |
Devonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |