| details |
Givetian |
Frasnian |
Algeria |
Boumendjel,K. et al. Biostratigraphy of the miospores and chitinozoas of the Late Silurian and Devonian of the Illizi Basin, (southeast Algerian Sahara). |
1988 |
| original |
Givetian |
|
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 |
Givetian |
|
Libya |
Streel,M. et al. Acritarch, chitinozoan and spore stratigraphy from the Middle and Late Devonian of northeast Libya. (In: The Subsurface Palynostratigraphy of Northeast Libya. Special Publication of the University of Garryounis, Libya. E.Arnauti et al, editors) |
1989 |
| details |
Late Ludlovian |
Early Pridolian |
Brazil(Amazonas) |
Grahn,Y. et al. Age and correlation of the Trombetas Group, Amazonas Basin, Brazil. |
1992 |
| details |
Late Givetian |
|
Gondwanaland |
Paris,F. Chitinozoan biostratigraphy and palaeoecology. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Late Eifelian |
|
Brazil(Paraiba) |
Grahn,Y. Devonian chitinozoan biozones of Western Gondwana. |
2005 |