| details |
Givetian |
|
Libya |
Paris,F. et al. Devonian (Emsian-Famennian) palynomorphs. (In: Palynology of Northeast Libya. B.Thusu and B.Owens, editors) |
1985 |
| details |
Early Givetian |
|
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 |
| details |
Late Eifelian |
Early 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 Eifelian |
Early Givetian |
Brazil(Amazonas) |
Grahn,Y. Revision of Silurian and Devonian strata in Brazil |
1992 |
| details |
Givetian |
|
Worldwide |
Paris,F. Chitinozoan biostratigraphy and palaeoecology. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Pragian |
Emsian |
Canada(Quebec) |
Achab,A. et al. Chitinozoan assemblage from the third order transgressive-regressive cycles of the Upper Gaspe Limestones (Lower Devonian of eastern Canada) |
1997 |