| 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 |
|
India(Madhya Pradesh) |
Sinha,V. Some "Acritarchs" and other microfossils from Lower Artinskian Stage of Lower Gondwanas, India. |
1969 |
| details |
Late Artinskian |
|
India(Madhya Pradesh) |
Jain,K.P. Fossil dinoflagellates, acritarchs, tasmanitids and nannoplankton. (In: Aspects and Appraisal of Indian Palaeobotany. K.R.Surange, editor) |
1974 |
| details |
Permian |
|
India(Uttar Pradesh) |
Lakhanpal,R.N. et al. A catalogue of Indian fossil plants |
1976 |
| original |
Early Cretaceous |
|
China(N.China) |
Miao,S. et al. Spores and pollen. Mesozoic spores and pollen. (In: Paleontological Atlas of North China.III.Micropaleontological Volume.) |
1984 |
| details |
Early Gondwana |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Asselian |
Early Scythian |
India(Bengal) |
Tiwari,R.S. et al. Organic-walled microfossils of doubtful origin in Permian and Triassic sequences on Peninsular India |
1995 |