| original |
Caradocian |
|
Algeria |
Deunff,J. et al. Palynoplanktonic correlation in the Cambro-Ordovician of the Sahara |
1961 |
| original |
Arenigian |
|
Algeria |
Deunff,J. et al. Palynoplanktonic correlation in the Cambro-Ordovician of the Sahara |
1961 |
| original |
Late Cretaceous |
|
Colorado |
Gies,T.F. Palynology of sediments boardering some Upper Cretaceous strand lines in Northwestern Colorado. |
1972 |
| details |
Precambriam |
|
India(Madhya Pradesh) |
Shanmukhappa,M. et al. Precambrian (Proterozoic) acritarchs from sub-surface Vindhyan Sequence, Jabera Well-I, Madhya Pradesh. |
1996 |