| details |
Late Cambrian |
|
USSR(Estonian SSR) |
Mens,K.A. et al. Upper Cambrian biostratigraphy of Estonia. |
1993 |
| details |
Nd |
|
Nd |
Servais,T. et al. A discussion and proposals concerning the Lower Paleozoic "Galeate" acritarch Plexus |
1995 |
| details |
Late Cambrian |
|
Estonia |
Mens,K.A. et al. Upper Cambrian acritarchs from the basal conglomerate of the Kallavere Formation on the Pakri Peninsula, northwestern Estonia. (In: Commision Internationale de microflore du Paleozoique (CIMP) Acritarch Subcommision: O.Fatka and T.Servais, editors) |
1996 |
| details |
Late Cambrian |
Early Ordovician |
Algeria |
Stricanne,L. et al. A statistical approach to classification of the Cambro-Ordovician galeate acritarch plexus |
2002 |