| original |
Late Aeronian |
Early Telychian |
Libya |
Paris,F. New chitinozoans from the Late Ordovician-Late Devonian of northeastern Libya. (In: The Subsurface Palynostratigraphy of Northeast Libya. Special Publication of the University of Garryounis, Libya. E.Arnauti et al, editors) |
1989 |
| details |
Rhuddanian |
Telychian |
Libya |
Paris,F. New chitinozoans from the Late Ordovician-Late Devonian of northeastern Libya. (In: The Subsurface Palynostratigraphy of Northeast Libya. Special Publication of the University of Garryounis, Libya. E.Arnauti et al, editors) |
1989 |
| details |
Early Aeronian |
|
Paraguay |
Grahn,Y. et al. Silurian and Lower Devonian chitinoan biostratigraphy of the Parana Basin in Brazil and Paraguay. |
2000 |
| details |
Rhuddanian |
Telychian |
China(Kiangsu) |
Geng,L.-Y. et al. Chitinozoan biostratigraphy in China. |
2000 |