| original |
Early Permian |
|
Brazil(Santa Catarina) |
Tiwari,R.S. et al. Pollen and spore assemblage in some Coals of Brazil. |
1967 |
| original |
Early Permian |
|
Brazil(Rio Grande Sul) |
Tiwari,R.S. et al. Pollen and spore assemblage in some Coals of Brazil. |
1967 |
| details |
Permian |
|
Congo |
Pi©rart,P. Morphologic and biometric study of two species of spores from the Gondwana, (Punctatisporites gretensis and Kraeuselispoites braziliensis). |
1974 |
| details |
Permian |
|
Brazil(Rio Grande Sul) |
Pi©rart,P. Morphologic and biometric study of two species of spores from the Gondwana, (Punctatisporites gretensis and Kraeuselispoites braziliensis). |
1974 |
| 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 |
Artinskian |
Kungurian |
Brazil(Rio Grande Sul) |
Burjack,M.I.A. Palynological study of the Charqueadas Coalfield, Rio Grande do Sul, Brazil. |
1978 |