| 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 |
Carboniferous |
Permian |
Brazil(Rio Grande Sul) |
Marques-Toigo,M. et al. Geology and palynology of Candiota Coal Mine, Rio Grande do Sul, Brazil. |
1975 |
| details |
Permian |
|
Brazil |
Men©ndez,C.A. Palynology of Permian and Triassic strata from South America. |
1979 |
| details |
Late Carboniferous |
|
Brazil |
Wilder,N.T. Late Paleozoic Lycopodiaceous megaspores of Brazil. |
1980 |