| original |
Merioneth |
|
Sweden |
Di Milia,A. et al. Late Cambrian acritarchs from the Peltura scarabaeoides Trilobite Zone at Degerhamn (Oland, Sweden). |
1989 |
| details |
Late Cambrian |
|
Sweden |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |
| details |
Late Cambrian |
|
Canada(Newfoundland) |
Parsons,M.G. et al. Acritarch microfloral succession from the Late Cambrian and Ordovician (Early Tremadoc) of Random Island, Eastern Newfoundland, and its comparison to coeval microfloras, particularly those of the Eastern European Platform. |
2000 |