| details |
Early Cambrian |
|
Poland |
Moczydlowska,M. Acritarch biostratigraphy of the Lower Cambrian and the Precambrian-Cambrian boundary in southeastern Poland. |
1991 |
| details |
Early Cambrian |
|
Spain |
Palacios,T. et al. Lower Cambrian acritarchs from northern Spain; the Precambrian -Cambrian boundary and biostratigraphic implications |
1992 |
| details |
Early Cambrian |
|
Poland |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |
| details |
Early Cambrian |
|
Poland |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Early Cambrian |
|
USSR(Russian Platform) |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Middle Cambrian |
|
Poland |
Moczydlowska,M. Cambrian acritarchs from Upper Silesia, Poland: Biochronology and tectonic implications. |
1998 |