| original |
Llandeilian |
|
France(Aquitaine) |
Taugourdeau,P. Silurian chitinozoans from Aquitaine. |
1961 |
| details |
Late Caradocian |
Early Llandoverian |
Europe |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Caradocian |
|
Europe |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Early Caradocian |
|
Wales |
Atkinson,K. et al. Lower Caradocian (Upper Ordovician) chitinozoa from North Wales. |
1971 |
| details |
Early Gothlandian |
|
Brazil(Para) |
da Costa,N.M. Stratigraphic distribution and biochronology of chitinozoans from the Trombetas Formation, State of Para. |
1974 |
| details |
Nd |
|
Nd |
Chlebowski,R. et al. Chitinozoa from the Ordovician Conglomerates at Miedzygorz in the Holy Cross Mountains. |
1974 |
| details |
Llandeilian |
|
France(Aquitaine) |
Locquin,M.V. Thie Chitinomycetes of chitinozoa Paleozoic fossils |
1976 |
| details |
Llandoverian |
|
USSR(Siberia) |
Zaslavskaya,N.M. Silurian of Siberian Platform chitinozoa |
1983 |
| details |
Middle Llandoverian |
|
USSR(Siberia) |
Zaslavskaya,N.M. Silurian of Siberian Platform chitinozoa |
1983 |