| details |
Permian |
|
India(Bihar) |
Tiwari,R.S. et al. Marker assemblage-zones of spores and pollen species through Gondwana Palaeozoic and Mesozoic sequence in India. |
1992 |
| details |
Permian |
|
India(West Bengal) |
Tiwari,R.S. et al. Marker assemblage-zones of spores and pollen species through Gondwana Palaeozoic and Mesozoic sequence in India. |
1992 |
| details |
Early Triassic |
|
India(West Bengal) |
Tiwari,R.S. et al. Palynological sequence and relationship of subsurface Permian-Triassic sediments in eastern Raniganj Coalfield, West Bengal, India. |
1992 |