| details |
Oligocene |
|
India |
Venkatachala,B.S. A decade of stratigraphic palynology in India. |
1976 |
| details |
Oligocene |
|
India(West Bengal) |
Baksi,S.K. et al. Palynostratigraphic zonation of the Upper Cretaceous-Paleogene sequence of Bengal Basin. |
1980 |
| details |
Late Oligocene |
Miocene |
India(Tripura) |
Kar,R.K. Palynology of Miocene and Mio-Pliocene sediments of north-east India. (In: Current Perspectives in Palynological Research. S.Chanda, editor) |
1990 |
| details |
Tertiary |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |