| original |
Early Cambrian |
|
USSR(Ukrainian SSR) |
Kiryanov,V.V. New acritarchs from the Volynian Cambrian. |
1974 |
| details |
Early Cambrian |
|
USSR(Baltic) |
Volkova,N.A. et al. Microflora. (In: Upper Precambrian and Cambrian paleontology of the East-European Platform.) |
1979 |
| details |
Early Cambrian |
Middle Cambrian |
Romania |
Olaru,L. et al. Palynostratigraphy of some metamorphic Formations of the eastern Carpatians of Roumania |
1984 |
| details |
Early Cambrian |
|
Poland |
Gunia,T. Acritarcha and microproblematica of the Crystalline Limestones from the vicinity of Romanowo Gorne, (Central Sudetes Mountains, Krowiarki) |
1989 |
| details |
Early Cambrian |
|
Sweden |
Eklund,C. Lower Cambrian acritarch stratigraphy of the Barstad 2 core, Ostergotland, Sweden. |
1990 |
| details |
Early Cambrian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |