details |
Nabala |
Vormsi |
Estonia |
Meidla,T. et al. Middle and Upper Ordovician westward of Tallin locality 2:3 Aul |
1990 |
details |
Ordovician |
Silurian |
Baltic |
Eisenack,A. Chitinozoa of the Baltic Region. |
1968 |
details |
Ordovician |
Silurian |
Baltic |
Eisenack,A. Chitinozoa of the Baltic Region. |
1968 |
details |
Ordovician |
Silurian |
Baltic |
Eisenack,A. Chitinozoa of the Baltic Region. |
1968 |
details |
Tremadocian |
Ludlovian |
Europe |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
details |
Early Harju |
Late Virgulian |
Estonia |
Nolvak,J. Biostratigraphy: Ordovician chitinozoans |
1990 |
details |
Late Llandoverian |
Early Wenlockian |
Spain |
Cramer,F.H. Palynology of Silurian and Devonian rocks in northwest Spain. |
1966 |
details |
Late Wenlockian |
Early Ludlovian |
Spain |
Cramer,F.H. Palynology of Silurian and Devonian rocks in northwest Spain. |
1966 |
details |
Ludlovian |
Early Gedinnian |
France(Pas-de-Calais) |
Rauscher,R. Micropaleontological and stratigraphic research in the Ordovician and Silurian in France. Study of the acritarchs, chitinozoans and spores. |
1973 |
details |
Rocklandian |
Early Edenian |
New York |
Hart,C.P. Trenton Group chitinozoans from New York State. A brief review. |
1986 |
details |
Late Caradocian |
Early Ashgillian |
Saudi Arabia |
Paris,F. et al. Ordovician chitinozoans from central Saudi Arabia. |
2000 |
details |
Late Gothlandian |
Devonian |
France(Pas-de-Calais) |
Rauscher,R. Chitinozoans in the Silurian-Devonian Drift of Pas-de-Calais |
1968 |
details |
Silurian |
Devonian |
France(Orne) |
Robardet,M. et al. A brief account of the chitinozoans from the Ordovician and Silurian of Cotentin, (Normandy-France). |
1971 |
details |
Silurian |
Devonian |
France(Cotes du Nord) |
Deunff,J. et al. The presence of a paleoplankton of acritarchs, chitinozoans, spores, scolecodonts and radiolarians from the Siluro - Devonian Formations of the Plourach Region, (Cotes-du-Nord). |
1971 |
details |
Late Virgulian |
|
USSR(Latvian SSR) |
Myannil,R.M. Chitinozoan correlation of the Upper Viruan (Middle Ordovician) rocks of Sweden and the East Baltic area. |
1972 |
details |
Late Virgulian |
|
USSR(Estonian SSR) |
Myannil,R.M. Chitinozoan correlation of the Upper Viruan (Middle Ordovician) rocks of Sweden and the East Baltic area. |
1972 |
details |
Late Caradocian |
|
Sweden |
Grahn,Y. Caradocian and Ashgillian chitinozoa from the subsurface of Gotland |
1982 |