| details |
Nd |
|
Nd |
German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| details |
Middle Proterozoic |
|
Montana |
Kidder,D.L. et al. Acritarchs in Lower Greenschist facies Argillite of the Middle Proterozoic Libby Formation, Upper Belt Supergroup, Montana. |
1990 |
| details |
Late Riphean |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Riphean |
|
Russia(Urals) |
Mikhailova,N.S. et al. New data on the organic-walled microfossils of the Upper Precambrian of the Urals |
1992 |
| details |
Precambriam |
|
Arizona |
Horodyski,R.J. Paleontology of Proterozoic Shales and Mudstones: Examples from the Belt Supergroup, Char Group, and Pahruump Group, Western USA |
1993 |
| details |
Middle Proterozoic |
|
China(Kiangsi) |
Yan,Y.-Z. et al. Significance of Eucaryotic organisms in the microfossil flora of changcheng system |
1993 |
| details |
Late Riphean |
|
Russia(Kola Peninsula) |
Samuelsson,J. Biostratigraphy and palaeobiology of Early Neoproterozoic strata of the Kola Peninsula, Northwest Russia |
1997 |
| details |
Middle Proterozoic |
Late Proterozoic |
Greenland |
Samuelsson,J. et al. Organic-walled microfossils from the Proterozoic Thule Supergroup, northwest Greenland. |
1999 |
| details |
Middle Proterozoic |
Late Proterozoic |
Greenland |
Samuelsson,J. et al. Organic-walled microfossils from the Proterozoic Thule Supergroup, northwest Greenland. |
1999 |