| 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 |
Keuper |
|
Switzerland |
Ybert,J.P. A miospore study in the Candiota-Hulha Negra Coal Basin, Rio Grande do Sul, Brazil. |
1975 |
| 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 |
Namurian |
Artinskian |
|
de Quadros,L.P. et al. Catalog of fossil pollen and spores of the Paleozoic |
1995 |