| details |
Early Cambrian |
|
USSR(Baltic) |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Early Cambrian |
|
USSR(Baltic) |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Cambrian |
|
Baltic |
Moczydlowska,M. Cambrian acritarchs from Upper Silesia, Poland: Biochronology and tectonic implications. |
1998 |
| details |
Middle Cambrian |
|
Poland |
Moczydlowska,M. Cambrian acritarchs from Upper Silesia, Poland: Biochronology and tectonic implications. |
1998 |