| 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 |
Hirnantian |
|
Norway |
Smelror,M. et al. Upper Ordovician-Lower Silurian strata and biota from offshore South Norway |
1997 |
| details |
Arenigian |
|
China(Szechwan) |
Brocke,R. Evaulation of the Ordovician acritarch genus Ampullula Righi |
1997 |
| details |
Arenigian |
|
China(Hupei) |
Tongiorgi,M. et al. Changing paleogeographical affinites of the acritarch assemblage throughout the Dawan Formation, (Arenig, Yichang area, South China) |
1998 |
| details |
Tremadocian |
|
Poland |
Bednarczyk,W.S. Stratigraphic position of acritarchs from the Lowermost Ordovician of the Holy Cross (Gory Swietokrzyskie) Mts in the light of conodonts studies. |
1998 |
| details |
Early Arenigian |
|
Argentina(Salta) |
Rubinstein,C.V. et al. Acritarch biostratigraphy from the Upper Tremadoc - Arenig of the Eastern Cordillera. relationship with graptolite and trilobite fauna. |
1998 |
| details |
Early Arenigian |
|
Argentina(Salta) |
Rubinstein,C.V. et al. Acritarch biostratigraphy of the upper Tremadoc-Arenig of the Eastern Cordillera, northwestern Argentina: relationships with graptolite and trilobite faunas. |
1999 |
| details |
Early Arenigian |
|
Argentina(Jujuy) |
Rubinstein,C.V. et al. Acritarch biostratigraphy of the upper Tremadoc-Arenig of the Eastern Cordillera, northwestern Argentina: relationships with graptolite and trilobite faunas. |
1999 |
| details |
Tremadocian |
|
Tunisia |
Vecoli,M. et al. Palynostratigraphy of Upper Cambrian-upper Ordovician intracratonic clastic sequences, North Africa. |
1999 |
| details |
Tremadocian |
|
Algeria |
Vecoli,M. et al. Palynostratigraphy of Upper Cambrian-upper Ordovician intracratonic clastic sequences, North Africa. |
1999 |
| details |
Late Arenigian |
|
China(Hupei) |
Tongiorgi,M. et al. Differentiation and spread of the Baltic Acritarch Province (Arenig-Llanvirn). |
1999 |
| details |
Late Llanvirnian |
|
China(Guizhou) |
Li,J. et al. Llanvirnian acritarchs from the Yangtze Platform of South China. |
1999 |
| details |
Arenigian |
Llanvirnian |
Saudi Arabia |
Molyneux,S.G. et al. Palynology of a problematic lower Palaeozoic lithofacies in the central Arabian Basin, Saudi Arabia. |
2000 |
| details |
Early Llanvirnian |
|
China(Guizhou) |
Brocke,R. et al. Upper Arenigian to Lower Llanvirnian acritarch assemblages from South China: a preliminary evaluation. |
2000 |
| details |
Early Llanvirnian |
|
China(Hupei) |
Brocke,R. et al. Upper Arenigian to Lower Llanvirnian acritarch assemblages from South China: a preliminary evaluation. |
2000 |
| details |
Early Llanvirnian |
|
China(Szechwan) |
Brocke,R. et al. Upper Arenigian to Lower Llanvirnian acritarch assemblages from South China: a preliminary evaluation. |
2000 |
| details |
Llandoverian |
Wenlockian |
S.Ireland(Kildare) |
Maziane-Serraj,N. et al. Ordovician and Silurian acritarch assemblages from the west Leinster and Slievenamon areas of southeast Ireland. |
2000 |