| original |
Llandeilian |
|
France(Aquitaine) |
Taugourdeau,P. Silurian chitinozoans from Aquitaine. |
1961 |
| details |
Arenigian |
|
USSR(Yaroslav) |
Umnova,N.I. Distribution of chitinozoa in the Ordovician of the Russian Platform |
1964 |
| details |
Llandeilian |
|
France(Aquitaine) |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Middle Caradocian |
Llandoverian |
Europe |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Silurian |
|
Brazil(Amazonas) |
Boekel,N.M.Van Silurian and Devonian chitinozoans of the Amazon Basin and their stratigraphic correlation. |
1967 |
| details |
Caradocian |
|
Europe |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Early Gothlandian |
|
Brazil(Amazonas) |
da Costa,N.M. Brazilian chitinozoans and their stratigraphic importance |
1971 |
| details |
Early Caradocian |
Late Ashgillian |
Nd |
Combaz,A. Stratigraphy of the chitinozoans. |
1972 |
| details |
Llandeilian |
|
France(Aquitaine) |
Locquin,M.V. Thie Chitinomycetes of chitinozoa Paleozoic fossils |
1976 |