| details |
Llandoverian |
Wenlockian |
Algeria |
Jardin©,S. et al. Lithostratigraphy and palynology of the Sandy Devonian-Gothlandian of the Polignac Basin (Sahara). |
1968 |
| details |
Caradocian |
Wenlockian |
Africa(Sahara) |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Ordovician |
Silurian |
Baltic |
Eisenack,A. Chitinozoa of the Baltic Region. |
1968 |
| details |
Mohawkian |
Richmondian |
Canada(Quebec) |
Asselin,E. et al. Biostratigraphic significance of lower Paleozoic microfaunas from eastern Canada. |
2004 |
| details |
Mohawkian |
Richmondian |
Canada(New Brunswick) |
Asselin,E. et al. Biostratigraphic significance of lower Paleozoic microfaunas from eastern Canada. |
2004 |
| details |
Gamachian |
Rhuddanian |
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 |
Rakvere |
Nabala |
Estonia |
Nolvak,J. et al. Upper Ordovician South from Tallinn and Boring cores from Sargh Field-Station locality 31 Paekna Quarry |
1990 |
| details |
Early Ordovician |
Middle Ordovician |
USSR(Latvian SSR) |
Gailite,L.K. Chitinozoa. (In: The Ordovician of Latvia. R.Z.H.Ulst et al, editor) |
1982 |
| details |
Middle Llandeilian |
Middle Caradocian |
USSR(Estonian SSR) |
Grahn,Y. Ordovician chitinozoa from Tallinn, Norther Estonia. |
1984 |
| details |
Early Caradocian |
Middle Caradocian |
Tennessee |
Siesser,W.G. et al. Caradocian chitinozoans from the Central Basin, Tennessee |
1998 |
| details |
Late Tremadocian |
Middle Arenigian |
Canada(Gaspe Area) |
Malo,M. et al. Age and composition of the Ruisseau Isabelle M©lange along the Shickshock Sud fault zone: Constraints on the timing of M©langes Formation in the Gasp© Appalachians. |
2001 |
| details |
Late Tremadocian |
Middle Arenigian |
Canada(Gaspe Area) |
Malo,M. et al. Age and composition of the Ruisseau Isabelle M©lange along the Shickshock Sud fault zone: Constraints on the timing of M©langes Formation in the Gasp© Appalachians. |
2001 |
| details |
Llandeilian |
Ludlovian |
Europe |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Caradocian |
Llanvirnian |
Poland |
Bednarczyk,W.S. Chitinozoa-bearing horizons in the Ordovician of Northern Poland in the light of conodont stratigraphy. |
1999 |
| details |
Llanvirnian |
Llandeilian |
USA(Appalachian Bn.) |
Grahn,Y. et al. Lower Middle Ordovician chitinozoa from the Southern Appalachians, United States |
1984 |
| details |
Middle Ordovician |
Late Ordovician |
Kentucky |
Jacobson,S.R. Acritarchs as paleoenvironmental indicators in Middle and Upper Ordovician rocks from Kentucky, Ohio and New York. |
1979 |
| details |
Middle Ordovician |
Late Ordovician |
Ohio |
Jacobson,S.R. Acritarchs as paleoenvironmental indicators in Middle and Upper Ordovician rocks from Kentucky, Ohio and New York. |
1979 |