| original |
Middle Permian |
Late Permian |
India(Bihar) |
Tiwari,R.S. Miospore assemblage in some Coals of Barakar Stage (Lower Gondwana), of India. |
1965 |
| details |
Late Artinskian |
|
Congo |
Kar,R.K. et al. Palaeozoic sporae dispersae from Congo. 3. Layers of black shale of the Lukuga. |
1967 |
| details |
Late Artinskian |
|
India |
Tiwari,R.S. Palaeozoic cryptogamic spores. (In: Aspects and Appraisal of Indian Palaeobotany. K.R.Surange, editor) |
1974 |
| 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 |
Permian |
|
Rhodesia |
Chandra,S. et al. Palynological studies in the Lower Karroo of Rhodesia and the Republic of South Africa. |
1977 |
| details |
Permian |
|
South Africa |
Chandra,S. et al. Palynological studies in the Lower Karroo of Rhodesia and the Republic of South Africa. |
1977 |
| details |
Permian |
|
Rhodesia |
Chandra,S. et al. Palynological studies in the Lower Karroo of Rhodesia and the Republic of South Africa. |
1977 |
| 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 |