| original |
Late Artinskian |
|
India(Andhra Pradesh) |
Tiwari,R.S. et al. Palynological study of Lower Gondwana, (Permian), coals from Godavari Basin, India. 1. On some new miospore genera. |
1972 |
| details |
Early Permian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Asselian |
Early Scythian |
India(Bengal) |
Tiwari,R.S. et al. Organic-walled microfossils of doubtful origin in Permian and Triassic sequences on Peninsular India |
1995 |