| original |
Early Devonian |
Middle Devonian |
Canada(Ontario) |
Deunff,J. The acritarchs. 1.The genus Polyedryxium |
1971 |
| original |
Middle Devonian |
Late Devonian |
Ohio |
Deunff,J. The acritarchs. 1.The genus Polyedryxium |
1971 |
| original |
Middle Devonian |
Late Devonian |
Kentucky |
Deunff,J. The acritarchs. 1.The genus Polyedryxium |
1971 |
| details |
Early Devonian |
|
Ohio |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| details |
Middle Devonian |
|
Ohio |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| details |
Devonian |
|
North America |
Nautiyal,A.C. The paleogeographic distribution of Devonian acritarchs and biofacies belts. |
1977 |
| details |
Gedinnian |
Couvinian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. 2: Index to Parts 1 and 2. |
1977 |
| details |
Devonian |
|
Ohio |
Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. |
1983 |
| details |
Devonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |