| original |
Tatarian |
|
India(Bihar) |
Bharadwaj,D.C. et al. Lower Gondwana megaspores-A monograph |
1970 |
| details |
Late Permian |
|
India(West Bengal) |
Lakhanpal,R.N. et al. A catalogue of Indian fossil plants |
1976 |
| details |
Late Artinskian |
|
India(West Bengal) |
Lele,K.M. et al. Morphological and structural studies on some Barakar megaspores. |
1984 |
| details |
Sakmarian |
Artinskian |
India(Bihar) |
Banerjee,M. et al. Palynostratigraphy and environment of deposition in the Lower Gondwana sediments of Chuparbhita Coalfield, Rajmahal Hills. |
1988 |
| details |
Nd |
|
Nd |
Tewari,R. et al. Megaspores from Early Permian of India. |
1992 |