original |
Llandoverian |
Wenlockian |
Europe |
Paris,F. The chitinozoans in the Paleozoic of Southwest Europe. |
1981 |
original |
Early Telychian |
|
Libya |
Hill,P.J. et al. Silurian palynomorphs. (In: Palynology of Northeast Libya. B.Thusu and B.Owens, editors) |
1985 |
original |
Wenlockian |
Pridolian |
Spain |
Schweineberg,J. Silurian chitinozoa from the Palencia Province (Cantabrian Mountains, North Spain). |
1987 |
original |
Rhuddanian |
Aeronian |
Libya |
Paris,F. Late Ordovician and Early Silurian chitinozoans from Central and Southern Cyrenaica. (In: The Subsurface Palynostratigraphy of Northeast Libya. Special Publication of the University of Garryounis, Libya. E.Arnauti et al, editors) |
1989 |
original |
Early Llandoverian |
Middle Llandoverian |
|
Grahn,Y. Revision of Silurian and Devonian strata in Brazil |
1992 |
original |
Early Llandoverian |
Middle Llandoverian |
Brazil(Paraiba) |
Grahn,Y. Revision of Silurian and Devonian strata in Brazil |
1992 |
original |
Early Llandoverian |
Middle Llandoverian |
Brazil(Amazonas) |
Grahn,Y. Revision of Silurian and Devonian strata in Brazil |
1992 |
original |
Early Llandoverian |
Middle Llandoverian |
Paraguay |
Rubinstein,C.V. Silurian acritarchs from South America: A review. |
1996 |
original |
Llanvirnian |
Pragian |
Paraguay |
Grahn,Y. et al. Silurian and Lower Devonian chitinoan biostratigraphy of the Parana Basin in Brazil and Paraguay. |
2000 |