| details |
Early Devonian |
|
Canada(Ontario) |
Deunff,J. The acritarchs. 1.The genus Polyedryxium |
1971 |
| details |
Nd |
|
Nd |
Deunff,J. The acritarchs. 1.The genus Polyedryxium |
1971 |
| details |
Middle Devonian |
|
Canada |
Deunff,J. The acritarchs. 1.The genus Polyedryxium |
1971 |
| details |
Eifelian |
Givetian |
Canada(Ontario) |
Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. |
1983 |
| details |
Late Stephanian |
Early Permian |
Austria |
Planderova,E. et al. Biostratigraphical evaluation of Weakly metamorphosed sediments of Wechsel series and their possible correlation with Harmonia Group in male Karpaty Mts. |
1983 |
| details |
Late Gothlandian |
Devonian |
Czechoslovakia |
Planderova,E. New knowledge on age of metasediments in the Dumbier Crystalline (Jasenie area, Central Slovakia Slovakia), Low Tatar Mountains. |
1986 |
| details |
Early Devonian |
Middle Devonian |
Czechoslovakia(Slovensko) |
Molak,B. et al. Early Paleozoic Metasediments on the Southern Slopes of the Nizke Tatry Mountains near village Jasenie |
1986 |
| details |
Middle Devonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |