| original |
Early Riphean |
|
USSR(Urals) |
Yankauskas,T.V. Lower Riphean Microbiotas from the South Urals |
1979 |
| details |
Precambriam |
|
USSR |
Yankauskas,T.V. et al. Fifth All-Union Colloquium on Precambrian microfossils of the USSR |
1987 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Middle Proterozoic |
|
Montana |
Horodyski,R.J. Paleontology of Proterozoic Shales and Mudstones: Examples from the Belt Supergroup, Char Group, and Pahruump Group, Western USA |
1993 |
| details |
Proterozoic |
|
Nd |
Knoll,A.H. Archean and Proterozoic paleontology. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |