| details |
Permian |
|
India(Bihar) |
Lakhanpal,R.N. et al. A catalogue of Indian fossil plants |
1976 |
| details |
Kazanian |
|
India |
Tiwari,R.S. Palaeozoic cryptogamic spores. (In: Aspects and Appraisal of Indian Palaeobotany. K.R.Surange, editor) |
1974 |
| original |
Middle Permian |
|
India(Bihar) |
Kar,R.K. Palynology of the Barren Measures sequence from Jharia Coalfield, Bihar, India. 2. General palynology. |
1968 |
| details |
Kazanian |
|
India(Bihar) |
Kar,R.K. Palynology of the North Karanpura Basin, Bihar, India. 4. Subsurface palynology of the Bore-Hole No.K.5. |
1968 |