| details |
Late Artinskian |
|
India(Madhya Pradesh) |
Bharadwaj,D.C. et al. Sporological succession and age of Jhingurdah Seam, Singrauli Coalfield, M.P., India. |
1969 |
| original |
Early Permian |
Middle Permian |
India(Madhya Pradesh) |
Sinha,V. Sporae dispersae from Jhingurdah Seam, Singrauli Coalfield, (M.P.), India. |
1972 |
| details |
Early Permian |
Middle Permian |
India(Bihar) |
Srivastava,A.K. Studies in the Glossopteris flora of India. 42. Barakar plant Megafossils and miospores from Auranga Coalfield, Bihar. |
1977 |
| details |
Kazanian |
Tatarian |
India(Bihar) |
Lele,K.M. et al. A mioflora of Barren Measures age from the Auranga Coalfield, Bihar. |
1977 |
| details |
Late Artinskian |
Tatarian |
India(Bihar) |
Lele,K.M. et al. Lower Gondwana, (Karharbari to Raniganj State), microfloral assemblages from the Auranga Coalfield and their stratigraphical significance. |
1979 |
| details |
Kazanian |
Early Tatarian |
India(West Bengal) |
Tiwari,R.S. et al. Palyno-dating of Permian and Triassic sediments in two bore-holes from the eastern Limits of Raniganj Coalfield, West Bengal. |
1979 |
| details |
Tatarian |
|
India(Bihar) |
Srivastava,A.K. Studied in the Glossopteris flora of India. 44: Ranganj plant megafossils and miospores from Auranga Coalfield, Bihar. |
1979 |
| details |
Nd |
|
Nd |
Bharadwaj,D.C. et al. Sporae dispersae of the Barakar sediments from South Karanpura Coalfield, Bihar, India. |
1981 |
| details |
Sakmarian |
Artinskian |
India(Bihar) |
Banerjee,M. et al. Palynostratigraphy and environment of deposition in the Lower Gondwana sediments of Chuparbhita Coalfield, Rajmahal Hills. |
1988 |
| details |
Permian |
|
India |
Raghubanshi,A.S. et al. Environmental change and biological diversity: present, past and future. |
1991 |