details |
Middle Precambrian |
|
India(Mysore) |
Gowda,S.S. et al. Microfossils from the Archaean complex of Mysore. |
1969 |
original |
Vendian |
Early Cambrian |
Spitsbergen |
Knoll,A.H. et al. Micropaleontology across the Precambrian-Cambrian boundary in Spitsbergen |
1987 |
original |
Vendian |
Early Cambrian |
Spitsbergen |
Knoll,A.H. et al. Micropaleontology across the Precambrian-Cambrian boundary in Spitsbergen |
1987 |
original |
Vendian |
Early Cambrian |
Spitsbergen |
Knoll,A.H. et al. Micropaleontology across the Precambrian-Cambrian boundary in Spitsbergen |
1987 |
original |
Vendian |
Early Cambrian |
Spitsbergen |
Knoll,A.H. et al. Micropaleontology across the Precambrian-Cambrian boundary in Spitsbergen |
1987 |
details |
Late Merioneth |
Early Arenigian |
Canada(Alberta) |
Martin,F. Uppermost Cambrian and Lower Ordovician acritarchs and Lower Ordovician chitinozoans from Wilcox Pass, Alberta. |
1992 |