| details |
Late Riphean |
|
USSR(Chelyabinskaya) |
Keller,B.M. et al. Microfossils in the Riphean stratotype section in the Southern Urals |
1980 |
| original |
Late Riphean |
|
USSR(Urals) |
Yankauskas,T.V. Shisheniak microbiota of the Upper Riphean of the South Urals |
1980 |
| details |
Late Riphean |
|
USSR(Urals) |
Yankauskas,T.V. Riphean microfossils of the Southern Urals. (In: Stratotype of Riphean Paleontology Paleomagnetism. B.M.Keller, editor) |
1982 |
| details |
Late Riphean |
|
USSR(Urals) |
Hofmann,H.J. Paleoscene #7 -Precambrian biostratigraphy |
1987 |
| details |
Late Riphean |
|
USSR(Kalmyr ASSR) |
German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| details |
Late Riphean |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |