| details |
Stephanian |
|
Argentina(La Rioja) |
Barreda,V.D. Palynology of the El Trampeadero Formation, Upper Paleozoic of La Rioja Provence. (In: Symposium Biostratigraphie del Paleozoic Inferior.) |
1986 |
| original |
Permian |
|
Brazil |
Ybert,J.P. et al. A palynologic and petrographic study of some Coals from Southern Brazil. |
1971 |
| original |
Late Carboniferous |
Early Permian |
Brazil(Rio Grande Sul) |
Nahuys,J. et al. Palynological study and petrology of Algun Carvoes of Southern Brazil. |
1968 |
| details |
Early Permian |
|
Brazil(Rio Grande Sul) |
Ybert,J.P. A miospore study in the Candiota-Hulha Negra Coal Basin, Rio Grande do Sul, Brazil. |
1975 |
| original |
Early Permian |
|
Brazil(Rio Grande Sul) |
Ybert,J.P. A miospore study in the Candiota-Hulha Negra Coal Basin, Rio Grande do Sul, Brazil. |
1975 |