| original |
Late Devonian |
|
Argentina(Salta) |
Volkheimer,W. et al. Devonian chitinozoans from Northwestern Argentina |
1986 |
| details |
Late Emsian |
|
Bolivia |
Racheboeuf,P.R. et al. The Devonian of Bolivia; biostratigraphy and chronostratigraphy. |
1993 |
| details |
Gedinnian |
Emsian |
Argentina(Salta) |
Rubinstein,C.V. Palynological investigations in the Lower Paleozoic of Argentina |
1993 |
| details |
Late Lochkovian |
Pragian |
Bolivia |
Grahn,Y. Devonian chitinozoan biozones of Western Gondwana. |
2005 |
| details |
Late Lochkovian |
|
Argentina(Salta) |
Grahn,Y. Devonian chitinozoan biozones of Western Gondwana. |
2005 |