| details |
Early Cambrian |
|
USSR(Baltic) |
Downie,C. Lower Cambrian acritarchs from Scotland, Norway, Greenland and Canada. |
1982 |
| details |
Early Cambrian |
|
Spain |
Mette,W. Acritarchs from Lower Paleozoic rocks of the Western Sierra Morena, southwest Spain and biostratigraphic results. |
1989 |
| details |
Early Cambrian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Cambrian |
|
USSR(Russian Platform) |
Kiryanov,V.V. et al. Problems on stratigraphy of Cambrian in the South-West of the East-European Platform |
1991 |
| details |
Early Cambrian |
|
USSR(Baltic) |
Yankauskas,T.V. Lower and Middle Cambrian acritarch-Based biozonation of the North western part of the East European Platform |
1993 |