| details |
Late Artinskian |
|
India(Bihar) |
Venkatachala,B.S. et al. Palynology of the North Karanpura Basin, Bihar, India. 2. Barakar exposures near Lungatoo, Hazribagh District. |
1968 |
| details |
Late Permian |
|
India(Bihar) |
Kar,R.K. Palynology of the North Karanpura Basin, Bihar, India. 3. Raniganj exposure near Lungatoo, Hazaribagh District. |
1968 |
| original |
Early Permian |
Middle Permian |
India(Bihar) |
Venkatachala,B.S. et al. Palynology of the Karanpura sedimentary Basin, Bihar, India. 1 Barakar Stage at Badam. |
1968 |
| details |
Tatarian |
|
India |
Tiwari,R.S. Palaeozoic cryptogamic spores. (In: Aspects and Appraisal of Indian Palaeobotany. K.R.Surange, editor) |
1974 |
| details |
Late Artinskian |
|
India |
Tiwari,R.S. Palaeozoic cryptogamic spores. (In: Aspects and Appraisal of Indian Palaeobotany. K.R.Surange, editor) |
1974 |
| details |
Permian |
|
India(Bihar) |
Lakhanpal,R.N. et al. A catalogue of Indian fossil plants |
1976 |
| details |
Permian |
|
India |
Raghubanshi,A.S. et al. Environmental change and biological diversity: present, past and future. |
1991 |