| original |
Early Permian |
|
India(Orissa) |
Srivastava,S.C. Miofloral investigations in some Coals of Talcher Coalfield (Orissa) India. |
1970 |
| details |
Late Artinskian |
|
India(Madhya Pradesh) |
Anand-Prakash Sporae dispersae in the Coals of Pench-Kanhan and Pathakhera Coalfields, (M.P.), India. |
1972 |
| details |
Permian |
|
India(Orissa) |
Lakhanpal,R.N. et al. A catalogue of Indian fossil plants |
1976 |
| details |
Early Permian |
|
Australia(NSW) |
Helby,R.J. et al. The age of the Permian sequence in the Stroud-Gloucester Trough |
1986 |
| details |
Early Permian |
|
Australia(NSW) |
Helby,R.J. et al. The age of the Permian sequence in the Stroud-Gloucester Trough |
1986 |