| original |
Late Artinskian |
|
India(Bihar) |
Bharadwaj,D.C. et al. Lower Gondwana megaspores-A monograph |
1970 |
| details |
Early Gondwana |
|
India(Bihar) |
Potonie,R. Synopsis of the genera of the sporae dispersae.Part 7 |
1975 |
| details |
Sakmarian |
|
India(Uttar Pradesh) |
Srivastava,S.K. et al. Palynology in India -a report, Birbal Sahni Institute of paleobotany, Lucknow. |
1976 |
| details |
Nd |
|
Nd |
Scott,A.C. et al. Paleozoic spores and pollen. Chapter 18G Palaeozoic megaspores. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |