| details |
Idavere |
|
Sweden |
Grahn,Y. et al. Precise chitinozoan dating of Ordovician impact events in Baltoscandia. |
1996 |
| details |
Uhaku |
Idavere |
USSR(Estonian SSR) |
Grahn,Y. et al. Precise chitinozoan dating of Ordovician impact events in Baltoscandia. |
1996 |
| details |
Ashgillian |
|
Turkey |
Steemans,P. et al. Ordovician and Silurian cryptospores and miospores from southeastern Turkey. |
1996 |
| details |
Late Ordovician |
|
Canada(Eastern) |
Miller,M.A. Chitinozoa. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Caradocian |
|
Minnesota |
Miller,M.A. Chitinozoa. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Caradocian |
|
Minnesota |
Miller,M.A. Chitinozoa. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Scythian |
|
USSR(Moldavian SSR) |
Vaida,M. et al. Palynological study of cores from the borehole 1 Liman (Scythia Platform, Moldavia) |
1997 |
| details |
Early Caradocian |
Middle Caradocian |
Tennessee |
Siesser,W.G. et al. Caradocian chitinozoans from the Central Basin, Tennessee |
1998 |
| details |
Middle Ordovician |
Late Ordovician |
Iran |
Ghavidel-Syooki,M. Chitinozoan biostratigraphy and palaeogeography of Late Ordovician and Early Silurian strata at southwestern Bojnurd City in eastern Alborz Mountain Ranges (Kopet Dagh Region), Southeastern Caspian Sea. |
1998 |
| details |
Late Ordovician |
|
Nevada |
Finney,S.C. et al. Late Ordovician mass extinction: A new perspective from stratigraphic sections in Central Nevada. |
1999 |
| details |
Late Tremadocian |
Early Arenigian |
Bolivia |
Heuse,T. et al. Early Ordovician chitinozoans from the East Cordillera of South Bolivia |
1999 |
| details |
Llanvirnian |
|
Saudi Arabia |
Molyneux,S.G. et al. Palynology of a problematic lower Palaeozoic lithofacies in the central Arabian Basin, Saudi Arabia. |
2000 |
| details |
Llanvirnian |
Early Ashgillian |
Saudi Arabia |
Paris,F. et al. Ordovician chitinozoans from central Saudi Arabia. |
2000 |
| details |
Gamachian |
|
Canada(Anticosti Island) |
Soufiane,A. et al. Chitinozoan zonation of the Late Ordovician and the Early Silurian of the island of Anticosti, Quebec, Canada. |
2000 |
| details |
Late Ordovician |
|
Sweden |
Bergstrжm,S.M. et al. A proposed global boundary stratotype for the base of the Upper Series of the Ordovician System: The FҐgelsҐng section, Scania, southern Sweden. |
2000 |
| details |
Late Hirnantian |
|
Algeria |
Paris,F. et al. The effects of the final stages of the Late Ordovician glaciation on marine palynomorphs (chitinozoans, acritarchs, leiospheres) in Well NI-2 (northeast Algerian Sahara). |
2000 |
| details |
Middle Caradocian |
|
Belgium |
Samuelsson,J. et al. Ordovician chitinozoan biozonation of the Brabant Massif, Belgium. |
2000 |