| details |
Early Triassic |
|
India(Madhya Pradesh) |
Ram-Awatar Palynological dating of Supra-Barakar Formation in Son Valley Graben. (In: Concepts, limits and extension of the Indian Gondwana. B.S.Venkatachala and H.K.Maheshwari, editors) |
1988 |
| original |
Early Permian |
|
India(Madhya Pradesh) |
Tiwari,R.S. et al. Sporae-dispersae and correlation of Gondwana sediments in Johilla Coalfield, Son Valley Graben, Madhya Pradesh. |
1989 |
| details |
Nd |
|
Nd |
Tiwari,R.S. et al. Morphographic study of Permian palynomorphs-Callumispora, Parasaccites, Cruscisaccites and Faunipollenites. |
1989 |