| details |
Late Tremadocian |
Arenigian |
USSR(Yaroslav) |
Umnova,N.I. Distribution of chitinozoa in the Ordovician of the Russian Platform |
1964 |
| details |
Caradocian |
|
Syria |
Yankauskas,T.V. et al. The Paleozoic of Syria-Arabian Republic |
1978 |
| details |
Late Llandoverian |
Early Ludlovian |
Spain |
Cramer,F.H. Microplankton from three Palaeozoic formations in the Province of Leon, northwest Spain. |
1964 |
| details |
Caradocian |
|
Portugal |
Paris,F. Chitinozoans of the Louredo Formation, Upper Ordovician of the Bucaco Syncline, (Portugal). |
1979 |
| details |
Late Ordovician |
|
Nigeria |
Bouche,P.M. Silurian chitinozoans from S.1.Djado, (Nigerian Sahara). |
1965 |
| details |
Silurian |
|
Nd |
Jansonius,J. et al. Chitinozoa. |
1978 |
| details |
Late Devonian |
|
Morocco |
Grignani,D. et al. The chitinozoa from the Oum Doul 1 borehole, Morocco. |
1964 |
| details |
Ordovician |
Silurian |
India(Himachal Pradesh) |
Khanna,A.K. et al. Reappraisal of stratigraphic status of Pin Dolomite |
1983 |
| details |
Ordovician |
Silurian |
India(Himachal Pradesh) |
Khanna,A.K. et al. Chitinozoa of the Pin Dolomite, Tethys Himalaya. |
1983 |
| details |
Late Llandeilian |
Caradocian |
France(Manche) |
Doubinger,J. et al. The presence of an Ordovician series in the Montmartin-sur-Mer (Manche) Syncline. |
1966 |
| details |
Llanvirnian |
Caradocian |
France(Aquitaine) |
Paris,F. The Paleozoic Aquitaine Basin-Biostratigraphy by chitinozoans, ostracods and tentaculites. |
1984 |
| original |
Llandeilian |
|
France(Aquitaine) |
Taugourdeau,P. Silurian chitinozoans from Aquitaine. |
1961 |
| details |
Llandeilian |
|
France(Aquitaine) |
Paris,F. The chitinozoans in the Paleozoic of Southwest Europe. |
1981 |
| details |
Llandeilian |
|
France(Aquitaine) |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Caradocian |
|
Europe |
Paris,F. The chitinozoans in the Paleozoic of Southwest Europe. |
1981 |
| details |
Wenlockian |
Ludlovian |
Europe |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Caradocian |
Llandoverian |
Europe |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |