| details |
Late Proterozoic |
|
Poland |
Gunia,T. Microflora of Pre-Cambrian Limestones of the Duszniki Zdroj Region, (the Central Sudeten). |
1974 |
| details |
Proterozoic |
|
Nd |
Krylov,I.N. et al. The oldest traces of life on earth. |
1975 |
| details |
Late Precambrian |
|
India(Uttar Pradesh) |
Nautiyal,A.C. First record of algal remains, (Filamentous, Spheroidal), and acritarchs from the Precambrian Gangolihat Dolomites Formaion of Pithoragarh, Kumaun Himalaya, India. |
1978 |
| details |
Middle Proterozoic |
|
India(Uttar Pradesh) |
Nautiyal,A.C. Microfacies microfossils (Organic-walled) in Middle Proterozoic Tejam Group of Keemaun Lesser Himalaya and paleoenvironmental significance |
1990 |
| 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 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 |
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 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 Algonkian |
|
India(Uttar Pradesh) |
Nautiyal,A.C. Algonkian microorganisms of the Kumarun and Himachal Himalaya and their sedimentary facies relationship |
1984 |
| details |
Middle Proterozoic |
Late Proterozoic |
India(Uttar Pradesh) |
Kumar,S. et al. Middle to Late Proterozoic microbiota from the Deoban Limestone, Garhwal Himalaya, India |
1992 |
| details |
Late Algonkian |
|
India(Jammu & Kashmir) |
Nautiyal,A.C. Palaeogeographic significance species, (Phytoplankton), Microfloral Province (Upper Algonkian) in Lesser Himalaya and Plains Region of northern India |
1985 |
| details |
Early Riphean |
Middle Riphean |
India(Jammu & Kashmir) |
Venkatachala,B.S. et al. Cyanobacterial mats from the Neoproterozoic Vaishnodevi Limesto Jammu and Kashmir |
1997 |
| details |
Middle Algonkian |
|
India(Himachal Pradesh) |
Nautiyal,A.C. First record of Middle Algonkian micro-organisms from Naldera Limestone (Basantpur Formation) of Himachal Himalaya with biostratigraphy. |
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 |
Middle Proterozoic |
|
India(Himachal Pradesh) |
Nautiyal,A.C. Biostratigraphic significance of microfossil assemblages of Gangolihat Dolomite, Kumaun, Lesser Himalaya. |
1989 |
| details |
Riphean |
|
India(Himachal Pradesh) |
Nautiyal,A.C. Biostratigraphic significance of microfossil assemblages of Gangolihat Dolomite, Kumaun, Lesser Himalaya. |
1989 |
| details |
Middle Proterozoic |
|
India(Bihar) |
Nautiyal,A.C. Middle Proterozoic microfloras (microfaunas) from Banded Hematite Jasper of Kiriburu and Meghatuburu areas (Singhbhum District, Bihar), Eastern India. |
1989 |