| 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 Proterozoic |
Late Proterozoic |
India(Uttar Pradesh) |
Kumar,S. et al. Middle to Late Proterozoic microbiota from the Deoban Limestone, Garhwal Himalaya, India |
1992 |
| details |
Proterozoic |
Cambrian |
Canada(Ontario) |
Pflug,H.D. et al. Evolutionary changes in the Proterozoic. (In: Global Bio-Events. O.H.Walliser, editors; Proceeding,1st International Meeting of IGCP Project 216; Global Biology Events in Earth History. O.H.Walliser, editor) |
1986 |
| details |
Precambriam |
|
Canada(Ontario) |
Awramik,S.M. et al. The Gunflint Microbiota. |
1977 |
| details |
Early Proterozoic |
|
Australia(W.Australia) |
Walter,M.R. et al. Microfossils from a newly discovered Precambrian Stromatolitic Iron Formation in Western Australia. |
1976 |
| 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 |
Early Proterozoic |
|
Minnesota |
Cloud,P. et al. Ultrastructure and geologic relations of some Two-Aeon Old Nostocacean algae from Northeastern Minnesota. |
1972 |
| details |
Proterozoic |
|
Nd |
Krylov,I.N. et al. The oldest traces of life on earth. |
1975 |
| details |
Proterozoic |
|
Australia(N.Territory) |
Muir,M.D. Proterozoic microfossils from the Mara Dolomite Member, Emmerugga Dolomite, McArthur Group, from the northern Territory, Australia. |
1983 |
| details |
Middle Algonkian |
|
India |
Hughes,N.F. Mesosperm palynoloigic evidence and ancestors of angiosperms. (In: Historical Perspectives of Angiosperm Evolution.) |
1984 |
| 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 Proterozoic |
|
Poland |
Gunia,T. Microflora of Pre-Cambrian Limestones of the Duszniki Zdroj Region, (the Central Sudeten). |
1974 |
| details |
Late Precambrian |
|
India(Andhra Pradesh) |
Maithy,P.K. et al. Microbiota from subsurface of Ganga Basin |
1983 |
| details |
Late Sinian |
|
China(Hupei) |
Zhang,Z. Doushantuo (Late Sinian) microflora of China and its significance |
1984 |
| details |
Precambriam |
|
India(Karnataka) |
Singh,R.Y. et al. The occurrence of Precambrian microbiota in Sandur Schist Belt, Karnataka State, India. |
1985 |
| 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 |