| details |
Early Caradocian |
|
Sweden |
Schallreuter,R. Chitinozoans from the Sularp Shale (Middle Ordovician) of Skane, (Sweden). |
1981 |
| details |
Late Champlainian |
Early Cincinnatian |
Canada(Quebec) |
Martin,F. Ordovician chitinozoa and acritarchs of the Saint-Laurent Platform, (Quebec and Southeast Ontario). |
1983 |
| details |
Early Cincinnatian |
|
Canada(Ontario) |
Martin,F. Ordovician chitinozoa and acritarchs of the Saint-Laurent Platform, (Quebec and Southeast Ontario). |
1983 |
| details |
Caradocian |
|
Canada(Anticosti Island) |
Achab,A. Chitinozoans from the Middle Ordovician of subsurface Anticosti Island. |
1984 |
| details |
Late Ashgillian |
|
Morocco |
Elaouad-Debbaj,Z. Ashgillian chitinozoa of the Anti-Atlas, (Morocco). |
1984 |
| details |
Middle Ordovician |
|
Oklahoma |
Miller,M.A. Chitinozoa. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
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 Caradocian |
Early Ashgillian |
Saudi Arabia |
Paris,F. et al. Ordovician chitinozoans from central Saudi Arabia. |
2000 |