| details |
Ludlovian |
|
Europe |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Gedinnian |
|
Africa(Sahara) |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Late Gothlandian |
|
Baltic |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Llandoverian |
|
Argentina(San Juan) |
Volkheimer,W. et al. Lowermost Silurian chitinozoa from the Sierra de Villicum, San Juan, Argentina. |
1980 |
| details |
Pridolian |
|
China(Yunnan) |
Hou,J.-P. et al. Chitinozoan biostratigraphy in China |
1982 |
| details |
Late Gothlandian |
|
China |
Gao,L. Silurian chitinozoa. (In: Palaeontological Atlas of Southwest China, Volume of Microfossils. Edited by Chengdu Institute of Geology and Mineral Resources.) |
1983 |
| details |
Early Llandoverian |
Middle Llandoverian |
Argentina(San Juan) |
Baldis,B. et al. The Ordovician-Silurian boundary in the Sierra de Villicum, Argentine Precordillera. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
| details |
Llandoverian |
|
Argentina(San Juan) |
Cuerda,A. et al. The Ordovician-Silurian boundary in Bolivia and Argentina. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
| details |
Llandoverian |
Gedinnian |
Argentina(San Juan) |
Rubinstein,C.V. Palynological investigations in the Lower Paleozoic of Argentina |
1993 |