| details |
Middle Ordovician |
|
Oklahoma |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Llandeilian |
Llandoverian |
USA |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| original |
Llandoverian |
Llandoverian |
USA |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Early Arenigian |
|
North America |
Combaz,A. Stratigraphy of the chitinozoans. |
1972 |
| details |
Middle Llandeilian |
|
Australia |
Combaz,A. Stratigraphy of the chitinozoans. |
1972 |
| details |
Caradocian |
|
France(Manche) |
Robardet,M. et al. The Pont-de-Caen Formation (Carodocian) in the Domfront and Sees Synclines (Normandy). |
1972 |
| details |
Llanvirnian |
Llandeilian |
Morocco |
Rahmani,K. Palynologic study of Paleozoic (Ordovician, Silurian, Devonian) of the Rabat Region, (Oued Bou-Regreg), Morocco. |
1983 |