| details |
Early Ordovician |
Late Ordovician |
Nd |
Jansonius,J. et al. Chitinozoa. |
1978 |
| details |
Onnian |
Pushgillian |
Morocco |
Elaouad-Debbaj,Z. Chitinozoa from the Lower Ktaoua Formation, Upper Ordovician of the Anti-Atlas, (Morocco). |
1986 |
| details |
Middle Ordovician |
|
USSR(Ukrainian SSR) |
Tsegelnyuk,P.D. On the question of the history of the geological evolution of Volyno-Podolskaya in the Ordovician and Silurian |
1989 |
| 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 |
Late Ashgillian |
|
Morocco |
Soufiane,A. et al. Chitinozoa assemblages from the Ordovician Tadla Basin, Morocco. |
1993 |
| details |
Late Arenigian |
Early Ashgillian |
Baltic |
Nolvak,J. et al. Ordovician chitinozoan zones from Baltoscandia |
1993 |
| details |
Late Arenigian |
Early Ashgillian |
Scandinavia |
Nolvak,J. et al. Ordovician chitinozoan zones from Baltoscandia |
1993 |
| details |
Late Kukruse |
Early Pirgu |
Norway |
Grahn,Y. et al. Caradocian and Ashgillian chitinozoan biostratigraphy of the Oslo Asker and Ringerike Districts, Oslo Region, Norway. |
1994 |
| details |
Onnian |
Late Marshbrookian |
Saudi Arabia |
Al-Hajri,S. Biostratigraphy of the Ordovician chitinozoa of Northwestern Saudi Arabia. (In: Palaeozoic Palynostratigraphy of the Kingdom of Saudi Arabia. B.Owens et al, editors) |
1995 |
| details |
Late Caradocian |
Ashgillian |
Canada(Arctic) |
Achab,A. et al. Ordovician chitinozoans from the Arctic Platform and the Franklinian Miogeosyncline in northern Canada |
1995 |
| details |
Late Idavere |
|
Sweden |
Grahn,Y. et al. Precise chitinozoan dating of Ordovician impact events in Baltoscandia. |
1996 |
| details |
Ordovician |
|
Nd |
Miller,M.A. Chitinozoa. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Early Caradocian |
Middle Caradocian |
Tennessee |
Siesser,W.G. et al. Caradocian chitinozoans from the Central Basin, Tennessee |
1998 |
| details |
Ashgillian |
Llanvirnian |
Poland |
Bednarczyk,W.S. Chitinozoa-bearing horizons in the Ordovician of Northern Poland in the light of conodont stratigraphy. |
1999 |
| details |
Early Llanvirnian |
|
Germany(Rostock) |
Samuelsson,J. et al. Chitinozoan faunas from the Rugen Ordovician (110gen 5/66 and Binz 1/73 wells), northeast Germany. |
2000 |
| details |
Middle Caradocian |
Middle Ashgillian |
Baltic Sea |
Vecoli,M. et al. Quantitative evaluation of microplankton palaeobiogeography in the Ordovician-Early Silurian of the northern Trans European Suture Zone: implications for the timing of the Avalonia-Baltica collision. |
2001 |
| details |
Middle Caradocian |
Middle Ashgillian |
Germany(Rostock) |
Vecoli,M. et al. Quantitative evaluation of microplankton palaeobiogeography in the Ordovician-Early Silurian of the northern Trans European Suture Zone: implications for the timing of the Avalonia-Baltica collision. |
2001 |