| details |
Middle Algonkian |
|
India(Orissa) |
Nautiyal,A.C. Stratigraphic and palaeogeographic significance of microplanktons, cyanophycean algae and fungal remains in metallic ore-bearing Algonkian sediment. |
1987 |
| original |
Middle Algonkian |
|
India(Orissa) |
Nautiyal,A.C. Middle Algonkian microfloras (Microfaunas) of Manganese Ore-bearing sediments of Orissa, Eastern India. |
1988 |
| details |
Middle Algonkian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |