| original |
Tremadocian |
|
Spain |
Mette,W. Acritarchs from Lower Paleozoic rocks of the Western Sierra Morena, southwest Spain and biostratigraphic results. |
1989 |
| details |
Tremadocian |
|
Spain |
Mette,W. Acritarchs from Lower Paleozoic rocks of the Western Sierra Morena, southwest Spain and biostratigraphic results. |
1989 |
| details |
Late Tremadocian |
Early Arenigian |
E.Germany(Rostock) |
Servais,T. The Ordovician acritarchs from Rugen, (Northeast Germany), palaeobiogeographical evidence for the attribution to eastern Avalonia. |
1994 |
| details |
Nd |
|
Nd |
Servais,T. et al. The "messaoudensis-trifidum" acritarch assemblage (Ordovician: Tremadoc-Early Arenigian) from the subsurface of Rugen (Baltic Sea, northeast Germany). |
1997 |
| details |
Tremadocian |
|
Spain |
Servais,T. et al. The "messaoudensis-trifidum" acritarch assemblage (Ordovician: Tremadoc-Early Arenigian) from the subsurface of Rugen (Baltic Sea, northeast Germany). |
1997 |