| details |
Tremadocian |
Llanvirnian |
England(Cumberland) |
Molyneux,S.G. The stratigraphical significance of Coryphidium morphotypes in Lower Ordovician Skiddane Group of the English Lake District. (In: Commision Internationale de microflore du Paleozoique (CIMP) Acritarch Subcommision: O.Fatka and T.Servais, editors) |
1996 |
| details |
Early Arenigian |
|
England(Cumberland) |
Molyneux,S.G. et al. Morphological variation in Coryphidium from the Arenigian serie (Lower Ordovician) of Northwestern England |
1997 |
| 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 |
Arenigian |
|
China(Szechwan) |
Brocke,R. Evaulation of the Ordovician acritarch genus Ampullula Righi |
1997 |
| details |
Late Tremadocian |
Early Arenigian |
S.Ireland(Kerry) |
Connery,C. et al. Tremadoc-Arenig acritarchs from the Annascaul Formation, Dingle Peninsula, County Kerry, Ireland. |
1999 |
| details |
Late Tremadocian |
Early Arenigian |
S.Ireland(Kerry) |
Connery,C. et al. Tremadoc-Arenig acritarchs from the Annascaul Formation, Dingle Peninsula, County Kerry, Ireland. |
1999 |
| details |
Late Llanvirnian |
|
China(Guizhou) |
Li,J. et al. Llanvirnian acritarchs from the Yangtze Platform of South China. |
1999 |
| details |
Late Tremadocian |
Early Arenigian |
S.Ireland(Kerry) |
Todd,S.P. et al. An Early Ordovician age for the Annascaul Formation of the southeast Dingle Peninsula southwest Ireland. |
2000 |
| details |
Arenigian |
|
Pakistan |
Quintavalle,M. et al. Lower to Middle Ordovician acritarchs and chitinozoans from northern Karakorum Mountains, Pakistan. |
2000 |
| details |
Late Arenigian |
Early Llanvirnian |
China(Guizhou) |
Brocke,R. et al. Upper Arenigian to Lower Llanvirnian acritarch assemblages from South China: a preliminary evaluation. |
2000 |
| details |
Late Arenigian |
Early Llanvirnian |
China(Hupei) |
Brocke,R. et al. Upper Arenigian to Lower Llanvirnian acritarch assemblages from South China: a preliminary evaluation. |
2000 |
| details |
Late Arenigian |
Early Llanvirnian |
China(Szechwan) |
Brocke,R. et al. Upper Arenigian to Lower Llanvirnian acritarch assemblages from South China: a preliminary evaluation. |
2000 |
| details |
Arenigian |
|
Iran |
Ghavidel-Syooki,M. Palynostratigraphy and paleobiogeography of the Lower Paleozoic sequence in the northeastern Alborz Range (Kopet-Dagh Region) of Iran. |
2001 |
| 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 |