| details |
Precambriam |
|
Canada(Ontario) |
Schopf,J.W. Organically preserved Precambrian microorganisms. |
1970 |
| details |
Middle Precambrian |
|
Canada |
Schopf,J.W. Precambrian micro-organisms and evolutionary events, prior to the origin of vascular plants. |
1970 |
| details |
Precambriam |
|
Canada(NWT) |
Hofmann,H.J. Precambrian microflora, Belcher Islands, Canada significance and systematics. |
1976 |
| details |
Precambriam |
|
Canada(NWT) |
Hofmann,H.J. Precambrian microflora, Belcher Islands, Canada significance and systematics. |
1976 |
| details |
Late Precambrian |
|
Australia |
Knoll,A.H. Paleoecology of Late Precambrian microbial assemblages. |
1981 |
| details |
Late Precambrian |
|
India(Uttar Pradesh) |
Shukla,M. et al. Late Precambrian microfossils from Deoban Limestone Formation, Lesser Himalaya, India |
1987 |
| details |
Precambriam |
|
USSR |
Golovenok,V.K. Precambrian microfossils in chert and their biostratigraphic significance. |
1989 |
| details |
Vendian |
|
Kazakstan |
Sergeeva,V.N. Silicified microfossils in the Precambrian of the Urals and Kazakhstan and their biostratigraphy potential |
1991 |
| details |
Vendian |
|
Russia(Urals) |
Sergeeva,V.N. Silicified microfossils in the Precambrian of the Urals and Kazakhstan and their biostratigraphy potential |
1991 |
| 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 |
Riphean |
|
India(Uttar Pradesh) |
Tewari,V.C. Discovery of Pre-Edicaran acritarch Chuaria Circularis (Walcott 1899; Vidal and Ford,1985) from the Deoban Mountains, Lesser Himalaya, India |
1996 |
| details |
Proterozoic |
|
India(Himachal Pradesh) |
Srivastava,P. et al. Significance of the Meso-Neoproterozoic microfossil assemblage from the Deoban Limestone, Garhwai Lesser Himalaya. |
1997 |