| details |
Middle Cambrian |
Late Cambrian |
USSR(Kazakh SSR) |
Lopukhin,A.S. Toroformis-New acritarch from the Vendian and Cambrian deposits of Tyan-Shanya |
1972 |
| original |
Middle Cambrian |
|
USSR(Kazakh SSR) |
Lopukhin,A.S. Toroformis-New acritarch from the Vendian and Cambrian deposits of Tyan-Shanya |
1972 |
| details |
Late Precambrian |
Early Cambrian |
India(Karnataka) |
Viswanathiah,M.N. et al. Palynofossils from the Bhimas, Karnataka, South India |
1977 |
| details |
Middle Cambrian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |