| original |
Middle Cambrian |
|
Spain |
Fombella,M.A. Acritarchs of the Oville Formation, Middle Cambrian-Tremadocian age, Province of Leon, Spain. |
1978 |
| details |
Early Cambrian |
|
Scotland |
Downie,C. Lower Cambrian acritarchs from Scotland, Norway, Greenland and Canada. |
1982 |
| details |
Early Cambrian |
|
Canada(Alberta) |
Downie,C. Lower Cambrian acritarchs from Scotland, Norway, Greenland and Canada. |
1982 |
| details |
Late Cambrian |
|
Spain |
Fombella Blanco,M.A. Resemblances and differences between the palynological associations of Upper Cambrian age in the northwest of Spain, (Vozmediano), and North of Africa. |
1987 |
| details |
Early Cambrian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Middle Cambrian |
|
Spain |
Moczydlowska,M. Cambrian acritarchs from Upper Silesia, Poland: Biochronology and tectonic implications. |
1998 |
| details |
Middle Cambrian |
Late Cambrian |
Poland |
Moczydlowska,M. Cambrian acritarchs from Upper Silesia, Poland: Biochronology and tectonic implications. |
1998 |