| details |
Late Artinskian |
|
India(Bihar) |
Venkatachala,B.S. et al. Palynology of the North Karanpura Basin, Bihar, India. 2. Barakar exposures near Lungatoo, Hazribagh District. |
1968 |
| original |
Early Permian |
Middle Permian |
India(Bihar) |
Venkatachala,B.S. et al. Palynology of the Karanpura sedimentary Basin, Bihar, India. 1 Barakar Stage at Badam. |
1968 |
| details |
Early Permian |
|
|
Bharadwaj,D.C. et al. Palynostratigraphy of Lower Gondwana deposits in Parana and Maranhao Basins, Brazil. |
1976 |
| details |
Early Permian |
|
Brazil(Maranhao) |
Bharadwaj,D.C. et al. Palynostratigraphy of Lower Gondwana deposits in Parana and Maranhao Basins, Brazil. |
1976 |
| details |
Permian |
|
India(Bihar) |
Lakhanpal,R.N. et al. A catalogue of Indian fossil plants |
1976 |
| details |
Late Artinskian |
|
India(Bihar) |
Lele,K.M. et al. Associations of micro and megafloras in the Roof Shales of some Barakar Coal Seams, South Kranpura, Coalfield, BiIhar. |
1977 |
| 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 |
Late Permian |
|
India(West Bengal) |
Rana,V. et al. Palynological succession in Permian-Triassic sediments in Bore-Hole Rnm-3, East Raniganj Coalfield, West Bengal. |
1980 |
| details |
Permian |
|
India |
Raghubanshi,A.S. et al. Environmental change and biological diversity: present, past and future. |
1991 |