| details |
Late Artinskian |
|
India(Bihar) |
Bharadwaj,D.C. et al. Lower Gondwana megaspores-A monograph |
1970 |
| details |
Artinskian |
|
Madagascar |
Rakotoarivelo,H.J. Palynostratigraphical comparison in the coal bearing basin of Sakoa-Sakamena, Madagascar. |
1970 |
| details |
Early Permian |
|
Brazil(Rio Grande Sul) |
Bharadwaj,D.C. et al. Lower Gondwana megaspores-A monograph |
1970 |
| details |
Permian |
|
Madagascar |
Pi©rart,P. Systematics, stratigraphic and geographic distribution of Carboniferous and Permian megaspores. |
1975 |
| details |
Late Precambrian |
|
India |
Lakhanpal,R.N. et al. A catalogue of Indian fossil plants |
1976 |
| details |
Late Artinskian |
|
India(West Bengal) |
Karmakar,S.K. et al. Megaspores from Carbonaceous Shale of Lower Gondwana sediments of Bankura District, West Bengal, India. (In: Proceedings, Symposium and Technical Sessions. R.S. Tiwari, editors) |
1984 |
| details |
Nd |
|
Nd |
Tewari,R. et al. Megaspores from Early Permian of India. |
1992 |