| details |
Early Cambrian |
|
Poland |
Moczydlowska,M. Acritarch biostratigraphy of the Lower Cambrian and the Precambrian-Cambrian boundary in southeastern Poland. |
1991 |
| details |
Early Cambrian |
|
Denmark |
Moczydlowska,M. et al. Phytoplankton from the Lower Cambrian Laesa Formation on Bornholm, Denmark; Biostratigraphy and palaeoenvironmental constraints. |
1992 |
| details |
Early Cambrian |
|
USSR(Estonian SSR) |
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 |
|
Romania |
Olaru,L. Using acritarch assemblages to correlate Upper Proterozoic and Lower Paleozoic metamorphic sequences in Romania |
2001 |