| details |
Middle Algonkian |
Late Algonkian |
India(Uttar Pradesh) |
Nautiyal,A.C. Discovery of Algonkian (Upper to Middle) micro-organisms from Semri Group at Sangrampur Hill, Bande District, India. |
1984 |
| details |
Late Algonkian |
|
India(Uttar Pradesh) |
Nautiyal,A.C. Palaeogeographic significance species, (Phytoplankton), Microfloral Province (Upper Algonkian) in Lesser Himalaya and Plains Region of northern India |
1985 |
| details |
Late Algonkian |
|
India(Himachal Pradesh) |
Nautiyal,A.C. Palaeogeographic significance species, (Phytoplankton), Microfloral Province (Upper Algonkian) in Lesser Himalaya and Plains Region of northern India |
1985 |
| details |
Algonkian |
|
India(Uttar Pradesh) |
Nautiyal,A.C. Lower Vinkhyan (Algonkian) microflora (microfauna), and biostratigraphy of Sangrampur Hill, Banda District, northern India. |
1986 |
| 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 |