| details |
Ordovician |
|
India(Karnataka) |
Venkatachala,B.S. Precambrian palynology;a review. (In: Proceedings of Colloquium on Paleontological Studies in Southern Region. M.V.A. Sastry et al editors) |
1979 |
| original |
Late Precambrian |
|
India(Uttar Pradesh) |
Mathur,Y.K. Palynofossils, age and the paleoenvironment of the Pre-Tertiary, (pre-unconformity), sediments of the Puranpur Well No.2, Ganga Basin, India |
1983 |
| details |
Late Algonkian |
|
India(Uttar Pradesh) |
Nautiyal,A.C. Biostratigraphic significance of Late Algonkian micro-organisms, (Zone Iv) in Upper Tejam and Semri Groups of Lesser Himalaya, sub-surface Ganga Valley and Plains Region, Northern India. |
1988 |
| details |
Precambriam |
|
USSR |
Golovenok,V.K. Precambrian microfossils in chert and their biostratigraphic significance. |
1989 |
| details |
Early Riphean |
|
Canada(NWT,Franklin) |
Hofmann,H.J. et al. Shelf-facies microfossils from the Uluksan Group (Proterozoic Bylot Supergroup), Baffin Island, Canada. |
1991 |
| details |
Late Proterozoic |
|
India(Jammu & Kashmir) |
Tiwari,M. Paleobiology of Late Proterozoic (Vendian) microbiota: evidences from the Infrakrol Formation of Lesser Himalaya. |
1996 |