| original |
Late Proterozoic |
|
USSR(Yakut ASSR) |
Pykhova,N.G. Acritarchs of the southeastern Siberian Platform. (In:Tommotsk age and problems of the Lower Cambrian) |
1969 |
| details |
Early Vendian |
|
USSR(Kirghiz SSR) |
Nikitina,T.M. et al. Acritarchs from "Lower Dolomites" of the Maly Karatau. (In: Dispersed Remains of Plant Fossils of Kirghizia.V.G.Korolev, editor) |
1971 |
| details |
Precambriam |
Early Cambrian |
USSR(Kirghiz SSR) |
Nikitina,T.M. Microfossils from the Precambrian-Cambrian Boun Dary Beds of the Maly Karatau Ridge (Northern Tian-Shan) |
1971 |
| details |
Middle Ordovician |
|
USSR(Vologda) |
Timofeev,B.V. et al. Microfossils of the Precambrian, Cambrian and Ordovician. |
1976 |
| details |
Early Cambrian |
|
Poland |
Gunia,T. Microfossils from the Quartzitic Schists in the vicinity of Goszow, Snieznik Klodzki Massif, Central Sudetis. |
1984 |
| details |
Early Cambrian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |