| details |
Early Permian |
Middle Permian |
Congo |
Maheshwari,H.K. et al. Palaeozoic sporae dispersae from Congo. 8. The Kibamba River (Lukuga Coalfield area). |
1969 |
| details |
Early Artinskian |
|
India(Bihar) |
Lele,K.M. et al. Palaeobotanical evidences of the age of the Coal-bearing Lower Gondwana Formation in the Jayanti Coalfield, Bihar. |
1974 |
| details |
Early Permian |
|
India(Madhya Pradesh) |
Bharadwaj,D.C. et al. Palynostratigraphy of the Talchir Formation from Manendragarh, Madhya Pradesh, India. |
1979 |
| details |
Early Permian |
|
Tanzania |
Maheshwari,H.K. et al. Permian palynofloras from Tanzania. |
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 |
Tastubian |
Early Kungurian |
Australia(W.Australia) |
Backhouse,J. Permian palynostratigraphy of the Collie Basin Western Australia |
1991 |
| details |
Early Permian |
|
Zaire |
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 |