| details |
Middle Riphean |
Vendian |
USSR(Urals) |
Hofmann,H.J. Paleoscene #7 -Precambrian biostratigraphy |
1987 |
| details |
Early Riphean |
|
India(S.India) |
Nautiyal,A.C. Stratigraphic and palaeogeographic significance of microplanktons, cyanophycean algae and fungal remains in metallic ore-bearing Algonkian sediment. |
1987 |
| details |
Riphean |
|
USSR(Siberia) |
Veis,A.F. Riphean and Vendian microfossils of the Ushur-Maya and Turukhan Regions of Siberia |
1988 |
| details |
Precambriam |
|
USSR |
Yankauskas,T.V. et al. Acritarch (Group acritarch,1963) classification. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| details |
Nd |
|
Nd |
German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| details |
Early Riphean |
|
USSR(Siberia) |
Veis,A.F. et al. Microfossil association of the Omakhtin series (Lower Riphean) eastern Siberia; composition and Formation conditions |
1989 |
| details |
Early Cambrian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Riphean |
|
USSR(Urals) |
Veis,A.F. et al. Organic microfossils of the Riphean type section, Southern Ural |
1990 |
| details |
Late Riphean |
Vendian |
Ghana |
Veis,A.F. et al. Upper Precambrian microfossils of West Africa, Ghana |
1990 |
| details |
Late Proterozoic |
|
China(Shantung) |
Yin,L.-M. Late Proterozoic microfossils from the Tongjiazhuang Formation, Western Shandong, China |
1991 |