| 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 |
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 |
Early Cambrian |
|
USSR(Kirghiz SSR) |
Lopukhin,A.S. For unifications of morphological terminology and diagnostics acritarchs. (In: Dispersed Remains of Plant Fossils of Kirghizia.V.G.Korolev, editor) |
1971 |
| details |
|
|
Czechoslovakia |
KonzalovЎ,M. Algal Colony and Rests of other microorganisms in the Bohemian Upper Proterozoic |
1973 |
| details |
|
|
USSR(Kazakh SSR) |
Lopukhin,A.S. The Proterozoic and Early Cambrian phytoplankton of Tien Shan. |
1973 |
| details |
Middle Riphean |
Late Riphean |
USSR(Yakut ASSR) |
Lopukhin,A.S. Riphean microfossils of north-eastern Pri-Anabar (Lower Lena River, Chekurovka Village). |
1974 |
| details |
Vendian |
Early Cambrian |
USSR(Yakut ASSR) |
Lopukhin,A.S. Acritarchs of the Proterozoic and Early Paleozoic of Tyan-Shan. (In: Palynology of Proterophyte and Palaeophyte.S.N.Naumova, editor) |
1974 |
| details |
Early Cambrian |
|
USSR |
Pykhova,N.G. The first results of a study of elements composition of microfossils. |
1980 |
| details |
Precambriam |
|
USSR |
Yankauskas,T.V. et al. Status of the study. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |