| original |
Early Permian |
|
Brazil(Rio Grande Sul) |
Dijkstra,S.J. Some Brazilian megaspores, Lower Permian in age, and their comparison with Lower Gondwana spores from India. |
1955 |
| details |
Namurian |
Westphalian |
Belgium |
Pi©rart,P. Utilization of megaspores in Coal stratigraphy. |
1958 |
| details |
Permian |
|
Congo |
Pi©rart,P. Contribution to the study of the spores and pollen of the Glossopteris flora contained in the Coals of Luena (Katanga). |
1959 |
| details |
Early Gondwana |
|
Brazil |
Pant,D.D. et al. Structural studies on Lower Gondwana megaspores. Part 2. Specimens from Brazil and Mhukuru Coalfield, Tanganyika. |
1962 |
| details |
Early Permian |
|
Brazil(Rio Grande Sul) |
Pant,D.D. et al. Structural studies on Lower Gondwana megaspores. Part 2. Specimens from Brazil and Mhukuru Coalfield, Tanganyika. |
1962 |
| details |
Late Artinskian |
|
India(Bihar) |
Bharadwaj,D.C. et al. Lower Gondwana megaspores-A monograph |
1970 |
| details |
Early Permian |
|
Brazil(Rio Grande Sul) |
Men©ndez,C.A. Palynology of Permian and Triassic strata from South America. |
1979 |
| details |
Early Permian |
|
Brazil(Santa Catarina) |
Men©ndez,C.A. Palynology of Permian and Triassic strata from South America. |
1979 |