| details |
Late Riphean |
|
China(Anhwei) |
Sun,W. Discussions on the age of the Liulaobei Formation |
1987 |
| details |
Early Cambrian |
|
China(Anhwei) |
Vidal,G. et al. Further reflections on Metazoan evolution |
1987 |
| details |
Late Riphean |
|
Spitsbergen |
Butterfield,N.J. et al. Exceptional preservation of a Late Riphean Shale Biota, Svanbergfjellet Formation, Spitsbergen. |
1988 |
| details |
Late Riphean |
|
Spitsbergen |
Butterfield,N.J. et al. Exceptional preservation of fossils in an Upper Proterozoic Shale |
1988 |
| details |
Riphean |
|
China(Anhwei) |
Weiguo,S. Subdivisions and correlations of the Upper Precambrian in China and Australia |
1989 |
| details |
Proterozoic |
|
Nd |
Knoll,A.H. Archean and Proterozoic paleontology. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Nd |
|
Nd |
Butterfield,N.J. Plankton ecology and Proterozoic - Phanerozoic transition. |
1997 |