| 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 |
Early Artinskian |
Late Artinskian |
India |
Lele,K.M. Palaeozoic monosaccate miospores. (In: Aspects and Appraisal of Indian Palaeobotany. K.R.Surange, editor) |
1974 |
| details |
Autunian |
Roadian |
Spain |
Broutin,J. Paleobotanical and palynological studies of the Carboniferous-Permian boundary in the Continental Basins of the Southeastern Ossa-Morena zone (Guadalcanal area, Southern Spain). Paleogeographical and stratigraphic implications. |
1981 |