| original |
Early Cambrian |
|
USSR(Baltic) |
Volkova,N.A. et al. Microflora. (In: Upper Precambrian and Cambrian paleontology of the East-European Platform.) |
1979 |
| details |
Late Ordovician |
|
Czechoslovakia |
VavrdovЎ,M. Further acritarchs and terrestrial plant remains from the Late Orovician at Hlasna Treban (Czechoslovakia) |
1988 |
| details |
Late Ordovician |
|
Czechoslovakia |
VavrdovЎ,M. Further acritarchs and terrestrial plant remains from the Late Orovician at Hlasna Treban (Czechoslovakia) |
1988 |
| details |
Early Cambrian |
|
Nd |
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 |