| original |
Pridolian |
|
Libya |
Jaglin,J.-C. Chitinozoan new species from the Pridoli of Libya. |
1986 |
| details |
Late Ludlovian |
Early Pridolian |
Brazil(Amazonas) |
Grahn,Y. et al. Age and correlation of the Trombetas Group, Amazonas Basin, Brazil. |
1992 |
| details |
Late Ludfordian |
Middle Pridolian |
Libya |
Jaglin,J.-C. et al. Biostratigraphy, biodiversity and palaeogeography of late Silurian chitinozoans from A1-61 borehole (north-western Libya) |
2002 |
| details |
Late Ludlovian |
|
Brazil(Amazonas) |
Grahn,Y. et al. Silurian-Devonian chitinozoan biostratigraphy along the Urubu, UatumЈ and Abacate rivers in the western part of the Amazonas Basin, Northern Brazil. |
2003 |