| details |
Early Lochkovian |
|
Brazil(Amazonas) |
Grahn,Y. et al. Age and correlation of the Trombetas Group, Amazonas Basin, Brazil. |
1992 |
| details |
Late Gothlandian |
Early Lochkovian |
Brazil(Paraiba) |
Grahn,Y. Revision of Silurian and Devonian strata in Brazil |
1992 |
| details |
Late Silurian |
Early Lochkovian |
Brazil(Paraiba) |
Rubinstein,C.V. Silurian acritarchs from South America: A review. |
1996 |
| original |
Late Silurian |
Early Devonian |
Algeria |
Boumendjel,K. New chitinozoan species from the Upper Silurian and Lower Devonian of the Timimoun basin (central Sahara, Algeria) |
2002 |
| details |
Early Lochkovian |
|
Brazil(Amazonas) |
Grahn,Y. et al. Integrated correlation of Late Silurian (Prdol s.l.) - Devonian chitinozoans and miospores in the Solimеes Basin, northern Brazil. |
2003 |
| 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 |
| details |
Early Lochkovian |
|
Brazil(Amazonas) |
Grahn,Y. Devonian chitinozoan biozones of Western Gondwana. |
2005 |