| original |
Late Carboniferous |
Early Permian |
India(Madhya Pradesh) |
Saksena,S. On fossil flora of Ganjra Nalla Beds |
1970 |
| details |
Sakmarian |
|
India |
Tiwari,R.S. Palaeozoic disaccate pollen. (In: Aspects and Appraisal of Indian Palaeobotany. K.R.Surange, editor) |
1974 |
| details |
Tatarian |
|
India |
Tiwari,R.S. Palaeozoic disaccate pollen. (In: Aspects and Appraisal of Indian Palaeobotany. K.R.Surange, editor) |
1974 |
| details |
Permian |
|
India |
Raghubanshi,A.S. et al. Environmental change and biological diversity: present, past and future. |
1991 |