| details |
Early Caradocian |
|
Argentina(San Juan) |
Ottone,E.G. et al. Palynomorphs conodonts and associated Graptolites from the Ordovician Los Azules Formation, Central Precordillers, Argentina |
1999 |
| details |
Idavere |
|
Lithuania |
Pa?keviciene,L. et al. The composition, distribution and evolution of Ordovician brachiopods, conodonts and acritarchs in the South-eastern part of the Baltic basin. |
2001 |
| details |
Llanvirnian |
Caradocian |
Argentina(San Juan) |
Vergel,M.D.M. et al. Ordovician palynomorphs of Argentina: An integrated approach. (Aspects of the Ordovician System in Argentina.) |
2002 |