details |
Late Algonkian |
|
India(Uttar Pradesh) |
Nautiyal,A.C. Biostratigraphic significance of Upper Algonkian microflora, (Microfauna, Zone III) in Tejam, Simla and Semri Groups of Lesser Himalaya and Plains Region northern India. |
1984 |
details |
Early Riphean |
|
USSR(Taymyr Nat.Okrug) |
Golovenok,V.K. et al. Riphean microbiota in Cherts of the Billyakh Group on the Anabar Uplift |
1984 |
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 |
original |
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 |
original |
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 |
Algonkian |
|
India(Uttar Pradesh) |
Nautiyal,A.C. Lower Vinkhyan (Algonkian) microflora (microfauna), and biostratigraphy of Sangrampur Hill, Banda District, northern India. |
1986 |
details |
Middle Proterozoic |
|
China(Hupei) |
Zhang,P. Microfossils from the Middle Proterozoic in Kuancheng County, eastern Hebei, China |
1987 |
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 |
Jixian |
|
China(Peking) |
Zhou,X.-P. et al. Microflora and sedimentary environment of the Wumishan Formation (Jixian system) Ming Tombs Region, Beijing. |
1991 |
details |
Middle Proterozoic |
|
China(Beijing) |
Cao,F. Algal microfossils of the Middle Proterozoic Gaoyuzhuang Format in Pinggu Country, Beijing |
1992 |
details |
Early Riphean |
|
USSR(Siberia) |
Knoll,A.H. et al. Taphonomic and evolutionary changes across the Mesoproterozoic-Neoproterozoic transition |
1995 |