| original |
Early Devonian |
|
Canada(Ontario) |
McGregor,D.C. Spores and other plant microfossils from selected Devonian sedimentary Formations of Canada |
1957 |
| original |
Middle Devonian |
|
Paraguay |
Men©ndez,C.A. et al. Devonian spores from Paraguay. |
1967 |
| details |
Emsian |
Early Eifelian |
Bolivia |
Suarez-Soruco,R. et al. The Eo-Hercynian compression stage in the eastern part of the Cordillerana Basin of Bolivia. |
1983 |
| details |
Eifelian |
Early Givetian |
Bolivia |
Suarez-Soruco,R. et al. The Eo-Hercynian compression stage in the eastern part of the Cordillerana Basin of Bolivia. |
1983 |