| details |
Late Llandoverian |
Early Wenlockian |
USSR(Siberia) |
Obut,A.M. et al. Complexes of Silurian Chitinozoa and Graptolite Zones of the Siberia and Russian Platforms, (Upper Llandoverian - Lower Wenlockian). (In: Paleontology and Detailed Stratigraphic Correlation) |
1982 |
| details |
Llanvirnian |
|
Argentina(La Rioja) |
Rubinstein,C.V. Palynological investigations in the Lower Paleozoic of Argentina |
1993 |
| details |
Ludlovian |
|
Canada(Arctic) |
Melchin,M.J. et al. Infrared video microscopy for the study of Graptolites and other organic walled fossils. |
1998 |
| details |
Late Cambrian |
Early Ordovician |
Romania |
Dimitrescu,R. Early Caledonian event in the Pre-Alpine metamorphic sequences the Romanian Carpathians |
1985 |
| details |
Scythian |
|
USSR(Moldavian SSR) |
Vaida,M. et al. Palynological study of cores from the borehole 1 Liman (Scythia Platform, Moldavia) |
1997 |
| details |
Late Frasnian |
Early Famennian |
|
Grahn,Y. Devonian chitinozoan biozones of Western Gondwana. |
2005 |
| details |
Gothlandian |
|
Sweden |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Caradocian |
|
Portugal |
Paris,F. Chitinozoans of the Louredo Formation, Upper Ordovician of the Bucaco Syncline, (Portugal). |
1979 |
| details |
Caradocian |
|
France(Calvados) |
Rauscher,R. Micropaleontological and stratigraphic research in the Ordovician and Silurian in France. Study of the acritarchs, chitinozoans and spores. |
1973 |
| details |
Early Llandoverian |
|
Belgium |
Martin,F. The Upper Ordovician and Lower Silurian at Deerlijk (Belgium) |
1973 |
| details |
Ashgillian |
|
Belgium |
Martin,F. The Upper Ordovician and Lower Silurian at Deerlijk (Belgium) |
1973 |
| details |
Arenigian |
|
China(Yunnan) |
Hou,J.-P. et al. Chitinozoan biostratigraphy in China |
1982 |
| details |
Llandoverian |
|
China(Hopei) |
Hou,J.-P. et al. Chitinozoan biostratigraphy in China |
1982 |
| details |
Silurian |
|
Canada(Gaspe Area) |
Achab,A. Palynostratigraphic study of several Layers of Silurian Formations of the Lac Matapedia Cyncline |
1975 |
| details |
Silurian |
Devonian |
Romania |
Maier,O.W. et al. Age of Crystalline Schist Formations of the Locva Mountains. |
1976 |
| details |
Middle Devonian |
|
USSR(Georgian SSR) |
Abesadze,M. et al. New data on age of metamorphosed Schists of Dzirulj Massif |
1980 |
| details |
Ludlovian |
|
Romania |
Iliescu,V. et al. Specification of the Silurian age of the Repedea series S.S. of the Rodna Mountains (East Carpathians) relying on palynological data |
1976 |