| original |
Early Eocene |
Middle Eocene |
India(Assam) |
Biswas,B. Stratigraphy of the Mahadeo, Langpar, Cherra and Tura Formations, Assam, India. |
1962 |
| details |
Eocene |
|
India(Assam) |
Deb,U. et al. On the age of Neyveli Lignite-A palynological approach |
1973 |
| details |
Early Eocene |
Middle Eocene |
India(Meghalaya) |
Lakhanpal,R.N. et al. A catalogue of Indian fossil plants |
1976 |
| details |
Late Eocene |
|
India(Nagaland) |
Mandal,J. Palynofossils from the Tertiary (Barail Group) of Nagaland: Palaeoecological interpretation and age. |
1996 |
| details |
Oligocene |
|
India(Assam) |
Kumar,M. et al. Palynostratigraphy of the subsurface sediments of Upper Assam Basin, India. |
2001 |