| original |
Middle Ordovician |
|
USSR(Siberia) |
Timofeev,B.V. Ordovician and Silurian phytoplankton of the Siberian Platform. |
1963 |
| original |
Middle Ordovician |
|
USSR(Krasnoyarsk Kray) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| original |
Late Ordovician |
|
USSR(Lithuanian SSR) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Late Ordovician |
|
USSR(Lithuanian SSR) |
Bagdasaryan,L.L. Phytoplankton from the lower oil bearing formations of the Baltic States. |
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 |
Vendian |
Ordovician |
Romania |
Visarion,A. et al. Determination of the age of a Crystalline Shales from the Apuseni Mountains, (Romania). |
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 |
Middle Cambrian |
Late Cambrian |
Romania |
Givulescu,R. The fossil flora of Roumania; Second Supplement, first Part. |
1973 |
| details |
Ordovician |
|
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 |
Ordovician |
|
India(Karnataka) |
Viswanathiah,M.N. et al. Microplanktons from the Gokak Quartzarenites, (Badami Group), Karnataka, south India. |
1977 |
| details |
Ordovician |
|
USSR(Baltic) |
Bagdasaryan,L.L. The significance of microphytofossils in the solving of some problems in petroleum geology. (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
| details |
Ordovician |
Silurian |
India(Karnataka) |
Venkatachalapathy,V. et al. Occurrence of acritarchs in Halakurki Argillites of Badami Group, South India and their significance. |
1984 |
| details |
Late Ordovician |
Early Gothlandian |
India(Karnataka) |
Viswanathiah,M.N. et al. Acritarchs and associated microplankton from the Katageri Formation of the Badami Group, South India. |
1984 |
| details |
Ordovician |
Silurian |
India(Karnataka) |
Viswanathiah,M.N. et al. Microfossils from Konkonkop Dolomite of Katageri Formation Badami Group, Karnataka, South India. |
1984 |
| details |
Middle Ordovician |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |