| details |
Late Emsian |
Givetian |
Indiana |
Wright,R.P. Biogeography of Middle Devonian chitinozoa of the Midwestern United States |
1978 |
| details |
Late Emsian |
Givetian |
Ohio |
Wright,R.P. Biogeography of Middle Devonian chitinozoa of the Midwestern United States |
1978 |
| details |
Middle Devonian |
|
Indiana |
Wright,R.P. Middle Devonian chitinozoa of Indiana. |
1980 |
| 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 |
Nd |
|
Nd |
Miller,M.A. Chitinozoa. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Eifelian |
Early Givetian |
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 Eifelian |
Early Givetian |
|
Grahn,Y. Devonian chitinozoan biozones of Western Gondwana. |
2005 |