| details |
Llandeilian |
Caradocian |
Europe |
Paris,F. The chitinozoans in the Paleozoic of Southwest Europe. |
1981 |
| details |
Late Llanvirnian |
Early Ashgillian |
Libya |
Molyneux,S.G. et al. Late Ordovician palynomorphs. (In: Palynology of Northeast Libya. B.Thusu and B.Owens, editors) |
1985 |
| details |
Rawtheyan |
|
Libya |
Paris,F. Late Ordovician and Early Silurian chitinozoans from Central and Southern Cyrenaica. (In: The Subsurface Palynostratigraphy of Northeast Libya. Special Publication of the University of Garryounis, Libya. E.Arnauti et al, editors) |
1989 |
| details |
Late Llanvirnian |
Caradocian |
Baltic |
Nolvak,J. et al. Ordovician chitinozoan zones from Baltoscandia |
1993 |
| details |
Late Llanvirnian |
Caradocian |
Scandinavia |
Nolvak,J. et al. Ordovician chitinozoan zones from Baltoscandia |
1993 |
| details |
Llanvirnian |
Early Caradocian |
Canada(Arctic) |
Achab,A. et al. Ordovician chitinozoans from the Arctic Platform and the Franklinian Miogeosyncline in northern Canada |
1995 |
| details |
Late Kukruse |
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 |
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 Shermanian |
Early Edenian |
Canada(Nunavut) |
Asselin,E. et al. Late Middle - Early Late Ordovician chitinozoans from the base of the Amadjuak Formation, southern Baffin Island, Nunavut. (In: Geology and paleontology of the southeast Arctic Platform and southern Baffin Island, Nunavut. A.D.McCracken and T.E. Bolton, editors) |
2000 |