| original |
Precambriam |
Early Cambrian |
USSR(Estonian SSR) |
Volkova,N.A. Acritarchs of the Precambrian and Lower Cambrian deposits of Estonia. (In: Problems related to the boundary layers of the Riphean and Cambrian of the Russian Platform, the Urals and Kazakhstan -By-N.A.Volkova et al) |
1968 |
| original |
Proterozoic |
Early Ordovician |
USSR(Ukrainian SSR) |
Bogomyagkova,V.B. Acritarchs of Lower Paleozoic and their importance for the stratigraphy of Paleozoic deposits of the l'vvov Depression. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| original |
Middle Riphean |
Early Cambrian |
India(Karnataka) |
Viswanathiah,M.N. et al. Acritarchs and other associated microfossils of the Lodapur Formation, Kaladgi Group (Precambrian-Cambrian), South India. |
1979 |
| original |
Vendian |
Early Cambrian |
USSR(Belorussian SSR) |
Pashkyavichene,L.T. Acritarchs from Vendian-Cambrian deposits from the Western East-European Platform. |
1980 |
| original |
Vendian |
Early Cambrian |
USSR(Pre-Baltic) |
Pashkyavichene,L.T. Acritarchs from Vendian-Cambrian deposits from the Western East-European Platform. |
1980 |