| details |
Proterozoic |
|
Canada(Ontario) |
Vidal,G. et al. Proterozoic plankton. |
1983 |
| details |
Late Sinian |
Early Cambrian |
China(Kweichow) |
Luo,Q. et al. A preliminary study on the Uppermost Sinian-Lowermost Cambrian age microfossils from Qingzhen-Zhigin County in Guizhou |
1984 |
| details |
Middle Algonkian |
|
Canada(Ontario) |
Nautiyal,A.C. Stratigraphic and palaeogeographic significance of microplanktons, cyanophycean algae and fungal remains in metallic ore-bearing Algonkian sediment. |
1987 |
| details |
Proterozoic |
|
Canada |
Knoll,A.H. Archean and Proterozoic paleontology. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |