| 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 |
Nd |
|
Nd |
Bharadwaj,D.C. et al. Sporae dispersae of the Barakar sediments from South Karanpura Coalfield, Bihar, India. |
1981 |
| details |
Kazanian |
|
USSR(Komi ASSR) |
Faddeeva,I.Z. Miospore complexes in Permian Coal Formation of the Pechorsk Basin. (In: Spores and pollen of Phanerozoic deposits. L.A. Panova et al, editors) |
1984 |