| 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 |
|
India |
Lele,K.M. Palaeozoic monosaccate miospores. (In: Aspects and Appraisal of Indian Palaeobotany. K.R.Surange, editor) |
1974 |
| details |
Early Permian |
|
India(Bihar) |
Lakhanpal,R.N. et al. A catalogue of Indian fossil plants |
1976 |
| details |
Permian |
|
India(Bihar) |
Bharadwaj,D.C. et al. Sporae dispersae of the Barakar sediments from South Karanpura Coalfield, Bihar, India. |
1981 |
| details |
Late Artinskian |
|
India(West Bengal) |
Srivastava,A.K. A Lower Barakar mioflora from Raniganj Coalfield, West Bengal. |
1982 |
| details |
Late Artinskian |
Kazanian |
India(Andhra Pradesh) |
Srivastava,S.C. et al. Palynostratigraphy of Lower Gondwana sediments in Godavari Graben, Andhra Pradesh, India. |
1989 |
| details |
Early Permian |
|
India(Orissa) |
Tripathi,A. Palynosequence in subsurface Permian sediments in Talchir Coalfield, Orissa, India. |
1993 |