| details |
Caradocian |
|
England(Shropshire) |
Myannil,R.M. Distribution of selected Ordovician chitinozoa assemblages and species in northern Europa and their stratigraphic Valuaton. |
1971 |
| details |
Late Ashgillian |
|
Morocco |
Elaouad-Debbaj,Z. Ashgillian chitinozoa of the Anti-Atlas, (Morocco). |
1984 |
| details |
Caradocian |
Ashgillian |
Libya |
Molyneux,S.G. et al. Late Ordovician palynomorphs. (In: Palynology of Northeast Libya. B.Thusu and B.Owens, editors) |
1985 |
| details |
Late Caradocian |
Early Ashgillian |
Morocco |
Elaouad-Debbaj,Z. Chitinozoa from the Lower Ktaoua Formation, Upper Ordovician of the Anti-Atlas, (Morocco). |
1986 |
| details |
Late Caradocian |
Early Ashgillian |
Canada(Quebec) |
Achab,A. Late Caradocian - Early Ashgillian chitinozoans of Quebec, Canada. |
1987 |
| details |
Early Llanvirnian |
|
Canada(Newfoundland) |
Achab,A. Ordovician chitinozoan zonation of Quebec and Western Newfoundland. |
1989 |
| details |
Ashgillian |
|
Canada(Quebec) |
Achab,A. Ordovician chitinozoan zonation of Quebec and Western Newfoundland. |
1989 |
| details |
Ashgillian |
|
Canada(Newfoundland) |
Achab,A. Ordovician chitinozoan zonation of Quebec and Western Newfoundland. |
1989 |
| 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 |
Ashgillian |
|
China(Kweichow) |
Qian,Z.-S. et al. Chitinozoans from the Wufeng Formation, (Ashgillian), of the Yangzi Region |
1989 |
| details |
Ashgillian |
|
Gondwanaland |
Paris,F. The Ordovician chitinozoan biozones of the northern Gondwana Domain |
1990 |
| details |
Late Ordovician |
|
Worldwide |
Achab,A. Biogeography of Ordovician chitinozoa. (In: Advances in Ordovician Geology. C.R.Barnes and S.H.Williams, editors) |
1991 |
| details |
Caradocian |
|
England(Kent) |
Molyneux,S.G. The contribution of Palaeontological data to an understanding of the Early Palaeozoic framework of eastern England |
1991 |
| details |
Late Ashgillian |
|
Morocco |
Soufiane,A. et al. Chitinozoa assemblages from the Ordovician Tadla Basin, Morocco. |
1993 |
| details |
Pirgu |
Early Porkuni |
Norway |
Grahn,Y. et al. Caradocian and Ashgillian chitinozoan biostratigraphy of the Oslo Asker and Ringerike Districts, Oslo Region, Norway. |
1994 |
| details |
Ashgillian |
|
Turkey |
Steemans,P. et al. Ordovician and Silurian cryptospores and miospores from southeastern Turkey. |
1996 |
| details |
Pragian |
Emsian |
Canada(Quebec) |
Achab,A. et al. Chitinozoan assemblage from the third order transgressive-regressive cycles of the Upper Gaspe Limestones (Lower Devonian of eastern Canada) |
1997 |