| details |
Late Asselian |
Early Scythian |
India(Bengal) |
Tiwari,R.S. et al. Organic-walled microfossils of doubtful origin in Permian and Triassic sequences on Peninsular India |
1995 |
| details |
Early Permian |
|
Brazil(Santa Catarina) |
Men©ndez,C.A. Palynology of Permian and Triassic strata from South America. |
1979 |
| original |
Early Permian |
|
Brazil(Santa Catarina) |
Tiwari,R.S. et al. Pollen and spore assemblage in some Coals of Brazil. |
1967 |
| original |
Early Permian |
|
Brazil(Rio Grande Sul) |
Tiwari,R.S. et al. Pollen and spore assemblage in some Coals of Brazil. |
1967 |
| details |
Late Artinskian |
|
India(Bihar) |
Maithy,P.K. Fossil flora of the Barakar Stage in Auranga Coalfield. |
1972 |
| details |
Early Artinskian |
|
India(Bihar) |
Maithy,P.K. Fossil flora of the Barakar Stage in Auranga Coalfield. |
1972 |
| details |
Early Permian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |