| original |
Late Precambrian |
|
India(Madhya Pradesh) |
Maithy,P.K. et al. Microbiota from the Suket Shales, Ramapura, Vindhyan System (Late Pre-Cambrian), Madhya Pradesh. |
1976 |
| details |
Late Precambrian |
|
India(Madhya Pradesh) |
Maithy,P.K. Vinkhyan microbiota from the Suket Shale, Ramapura, Madhya Pradesh. |
1981 |
| details |
Early Cambrian |
|
Canada(Yukon) |
Hofmann,H.J. Organic-walled microfossils from the Latest Proterozoic and Earliest Cambrian of the Wernecke Mountains, Yukon. |
1984 |
| details |
Precambriam |
|
India(Rajasthan) |
Mathur,S.M. Geochronology and biostratigraphy of the Vindhyan Supergroup. |
1987 |
| details |
Late Algonkian |
|
India(Madhya 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 |
Late Proterozoic |
|
India(Uttar Pradesh) |
Nautiyal,A.C. et al. First record of Upper Proterozoic microbiota, (Zone IV), in 'Tirohan Limestone' and Upper Green Sandstone (Semri Group) of Lachman-Pahari, (southwest of Chitrakut, Banda District), Uttar Pradesh. |
1990 |
| details |
Middle Proterozoic |
Late Proterozoic |
India(Madhya Pradesh) |
Maithy,P.K. Palaeobiology of Vindhyan. (In: Four Decades of Indian palaeobotany-B.S.Venkatachala and H.P.Singh, editors) |
1992 |
| details |
Nd |
|
Nd |
Butterfield,N.J. et al. Paleobiology of the Neoproterozoic Svabergfjellet Formation, Spitsbergen |
1994 |