| details |
Olenikian |
|
India(West Bengal) |
Tiwari,R.S. et al. Palyno-dating of Permian and Triassic sediments in two bore-holes from the eastern Limits of Raniganj Coalfield, West Bengal. |
1979 |
| details |
Early Triassic |
|
India(West Bengal) |
Rana,V. et al. Palynological succession in Permian-Triassic sediments in Bore-Hole Rnm-3, East Raniganj Coalfield, West Bengal. |
1980 |
| details |
Late Permian |
Middle Triassic |
India(West Bengal) |
Tiwari,R.S. et al. Sporae dispersae of some Lower and Middle Triassic sediments from Damodar Basin, India. |
1981 |
| details |
Late Permian |
Middle Triassic |
India(Bihar) |
Tiwari,R.S. et al. Sporae dispersae of some Lower and Middle Triassic sediments from Damodar Basin, India. |
1981 |
| details |
Nd |
|
Nd |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |
| details |
Triassic |
|
India |
Raghubanshi,A.S. et al. Environmental change and biological diversity: present, past and future. |
1991 |
| details |
Late Permian |
Early Triassic |
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 |
Late Permian |
Early Triassic |
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 |