| details |
Early Riphean |
|
USSR(Bashkir ASSR) |
Yankauskas,T.V. Middle Riphean microbiota of the Southern Urals and the Ural Region in Bashkiria |
1979 |
| original |
Early Riphean |
|
USSR(Urals) |
Yankauskas,T.V. Lower Riphean Microbiotas from the South Urals |
1979 |
| details |
Early Riphean |
Middle Riphean |
USSR(Urals) |
Yankauskas,T.V. Lower Riphean Microbiotas from the South Urals |
1979 |
| details |
Early Riphean |
|
USSR(Chelyabinskaya) |
Keller,B.M. et al. Microfossils in the Riphean stratotype section in the Southern Urals |
1980 |
| details |
Early Riphean |
|
USSR(Urals) |
Hofmann,H.J. Paleoscene #7 -Precambrian biostratigraphy |
1987 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |