| details |
Mesozoic |
Tertiary |
USSR |
Chepikov,K.R. et al. Organic remains of older appearance from petroleum of Tertiary Mesozoic and Paleozoic deposits. |
1961 |
| details |
Carboniferous |
Permian |
USSR(Turkmen SSR) |
Medvedeva,A.M. Methods of paleophytologic analysis of oil and its associated Rocks |
1966 |
| details |
Riphean |
Ordovician |
Romania |
Iliescu,V. et al. Palynological data on the metamorphic series of the Tisa-Ciuc Area, (East Carpathians). |
1970 |
| details |
Late Cambrian |
Ordovician |
Romania |
Visarion,A. et al. Determination of the age of a Crystalline Shales from the Apuseni Mountains, (Romania). |
1971 |
| details |
Riphean |
Ordovician |
Romania |
Iliescu,V. et al. Palynological data on the metamorphic series of the Tisa-Ciuc area (East Carpathians). |
1969 |
| details |
Proterozoic |
Middle Ordovician |
USSR(Pre-Baltic) |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Proterozoic |
Middle Ordovician |
USSR(Pre-Baltic) |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| original |
Proterozoic |
Middle Ordovician |
USSR(Pre-Baltic) |
Timofeev,B.V. Ancient flora of the Prebaltic Region and its stratigraphic significance |
1959 |
| details |
Proterozoic |
Middle Ordovician |
USSR(Pre-Baltic) |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Proterozoic |
Middle Ordovician |
USSR |
Aksenova,G.G. et al. The use of electron-microscopic research methods for the study of plant microfossils from oils and oil-containing rocks. (In: Palynology of Proterophyte and Palaeophyte.S.N.Naumova, editor) |
1974 |
| details |
Proterozoic |
Middle Ordovician |
USSR(Pre-Baltic) |
Downie,C. et al. On the interpretation and status of some Hystrichosphere genera. |
1963 |
| details |
Proterozoic |
Middle Ordovician |
USSR(Pre-Baltic) |
Umnova,N.I. Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic |
1975 |
| details |
Late Proterozoic |
Late Ordovician |
Romania |
Givulescu,R. The fossil flora of Roumania; Second Supplement, first Part. |
1973 |
| details |
Early Proterozoic |
Early Paleozoic |
USSR |
Norris,G. et al. A descriptive index of genera of fossil Dinophyceae and acritarcha. |
1965 |
| details |
Late Sinian |
Early Ordovician |
USSR(Belorussian SSR) |
Timofeev,B.V. On the age of the Ostrog Beds in Volhynia and their position in the Palaozoic |
1956 |
| details |
Early Proterozoic |
Early Cambrian |
USSR(Siberia) |
Timofeev,B.V. Spores of Proterozoic and Early Paleozoic deposits of eastern Siberia and their stratigraphic significance |
1956 |
| details |
Late Precambrian |
Early Cambrian |
USSR(Yablonov Khrebet) |
Spizharsky,T.N. Late Precambrian deposits of the Siberian Platform |
1958 |