| original |
Early Cambrian |
|
Scotland |
Downie,C. Lower Cambrian acritarchs from Scotland, Norway, Greenland and Canada. |
1982 |
| original |
Early Cambrian |
|
Greenland |
Downie,C. Lower Cambrian acritarchs from Scotland, Norway, Greenland and Canada. |
1982 |
| details |
Early Cambrian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Nd |
|
Nd |
Moczydlowska,M. Acritarch biostratigraphy of the Lower Cambrian and the Precambrian-Cambrian boundary in southeastern Poland. |
1991 |
| details |
Early Cambrian |
|
China(Inner Mongolia) |
Sun,S. The new discovery of fossil microplants in the Jianshan Formation of the Bayan Obo Group, Inner Mongolia. |
1992 |
| details |
Early Cambrian |
|
Scotland |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |