| original |
Late Permian |
Early Triassic |
India(West Bengal) |
Bharadwaj,D.C. et al. Permian-Triassic miofloras from the Raniganj Coalfield, India. |
1977 |
| details |
Scythian |
Norian |
India(Madhya Pradesh) |
Maheshwari,H.K. et al. The age of the Tiki Formation: With remarks on the miofloral succession in the Triassic Gondwanas of India. |
1978 |
| details |
Olenikian |
Anisian |
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 |
Middle Triassic |
|
India(West Bengal) |
Tiwari,R.S. et al. A Middle Triassic mioflora from India. |
1980 |
| 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 |
| details |
Early Triassic |
|
India(West Bengal) |
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 |
Early Triassic |
|
India(Madhya Pradesh) |
Kumar,P. Almod Bed; A Permian - Traissic Transition Zone. |
1997 |