| details |
Late Permian |
|
India(West Bengal) |
Rana,V. et al. Palynological succession in Permian-Triassic sediments in Bore-Hole Rnm-3, East Raniganj Coalfield, West Bengal. |
1980 |
| original |
Early Triassic |
|
India(West Bengal) |
Tiwari,R.S. et al. Sporae dispersae of some Lower and Middle Triassic sediments from Damodar Basin, India. |
1981 |
| details |
Early Triassic |
|
India(West Bengal) |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |
| details |
Early Permian |
|
India(Madhya Pradesh) |
Srivastava,S.C. et al. Palynostratigraphy of the Lower Gondwana sediments from the Shobhapur Block, Pathakhera Coal Field, Madhya Pradesh. |
1989 |
| details |
Triassic |
|
India |
Raghubanshi,A.S. et al. Environmental change and biological diversity: present, past and future. |
1991 |