| details |
Artinskian |
|
Brazil(Santa Catarina) |
Bortoluzzi,C.A. et al. Geologic investigations of the Santa Catarina Coal Basin, stratigraphy, sedimentology, paleontology and petrography of coals. |
1978 |
| 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 |
| details |
Dinantian |
|
Bolivia |
Davila,J. The absence of typical Gondwana sediments in Bolivia. |
1972 |
| details |
Stephanian |
|
Bolivia |
Davila,J. The absence of typical Gondwana sediments in Bolivia. |
1972 |
| details |
Late Chesterian |
Springerian |
Arkansas |
Sullivan,H.J. et al. The Mississippian-Pennsylvanian boundary and its correlation with Europe |
1971 |