| original |
Middle Carboniferous |
Late Carboniferous |
USSR(Evenki Nat.Okrug) |
Kondratev,G.K. The first finds of angiospermae type pollen in Upper Paleozoic Beds of the Tunguska Basin |
1963 |
| details |
Early Carboniferous |
|
Saudi Arabia |
Hemer,D.O. et al. Algae, acritarchs and other microfossils Incertae Sedis from the Lower Carboniferous of Saudi Arabia |
1967 |
| details |
Sakmarian |
|
India(Andhra Pradesh) |
Prasad,B. et al. A standard palynozonation scheme for the Cretaceous and Pre-Cretaceous subsurface sediments of Krishna-Godavari Basin, India. |
1995 |
| details |
Sakmarian |
|
India(Andhra Pradesh) |
Prasad,B. Palynology of the Drakshrama Argillite, Krishna-Godavari Basin. |
1996 |