| details |
Ashgillian |
|
Algeria |
Vecoli,M. et al. Palynostratigraphy of Upper Cambrian - Upper Ordovician intracratonic clastic sequences, North Africa. |
1998 |
| details |
Middle Arenigian |
|
Argentina(Salta) |
Vergel,M.D.M. et al. Ordovician palynomorphs of Argentina: An integrated approach. (Aspects of the Ordovician System in Argentina.) |
2002 |
| details |
Arenigian |
|
Gondwanaland |
Li,J. et al. ################ |
2003 |
| details |
Middle Ordovician |
|
China(Hopei) |
Wang,X. et al. The Huanghuachang Section, potential as Global Stratotype for the base of the Middle Ordovician Series. (In: Ordovician from the Andes. G.L.Albanesi,M.S.Beresi,S.H.Peralta,editors) |
2003 |
| details |
Arenigian |
|
Iran |
Ghavidel-Syooki,M. Palynostratigraphy and Paleogeoraphy of Lower Paleozoic Strata at Kuh-e-Boghou, Southwest of Kashmar City, at Eastern Central Iran |
2003 |