| details |
Early Artinskian |
Middle Artinskian |
India(Andhra Pradesh) |
Srivastava,S.C. et al. Palynostratigraphy of Lower Gondwana sediments in Godavari Graben, Andhra Pradesh, India. |
1989 |
| details |
Autunian |
|
Spain |
Broutin,J. et al. Stratigraphic and paleogeographic interest of the palynoflora of the Early Permian of the Seville Province, (southwest Spain). |
1985 |
| details |
|
|
India(Andhra Pradesh) |
Mehrotra,N.C. et al. Krishna-Godavari Basin. (In: Palynology in Hydrocarbon Exploration:The Indian Scenario. Part 1: Category I : Basins) |
2002 |