| 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 |
Early Artinskian |
|
India(Bihar) |
Maithy,P.K. Fossil flora of the Barakar Stage in Auranga Coalfield. |
1972 |
| details |
Permian |
|
Congo |
Pi©rart,P. Morphologic and biometric study of two species of spores from the Gondwana, (Punctatisporites gretensis and Kraeuselispoites braziliensis). |
1974 |
| details |
Permian |
|
Brazil(Rio Grande Sul) |
Pi©rart,P. Morphologic and biometric study of two species of spores from the Gondwana, (Punctatisporites gretensis and Kraeuselispoites braziliensis). |
1974 |
| details |
Permian |
|
Brazil |
Potonie,R. Synopsis of the genera of the sporae dispersae.Part 7 |
1975 |
| details |
Artinskian |
Kungurian |
Brazil(Rio Grande Sul) |
Burjack,M.I.A. Palynological study of the Charqueadas Coalfield, Rio Grande do Sul, Brazil. |
1978 |
| details |
Early Permian |
|
Brazil(Santa Catarina) |
Men©ndez,C.A. Palynology of Permian and Triassic strata from South America. |
1979 |
| details |
Early Artinskian |
|
India(Bihar) |
Shukla,M. Lithostratigraphy and palynostratigraphy of the Lower Gondwana Formation in the Hutar Coalfield, Palamau District, Bihar, India. |
1984 |
| details |
Early Permian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Permian |
|
Brazil |
Grenfell,H.R. Probable fossil Zygnematacean algal spores Genera |
1995 |
| 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 |