| details |
Precambriam |
Cambrian |
USSR |
Volkova,N.A. Nature and classification of microfossils of plant origin from Precambrian and Lower Paleozoic. |
1965 |
| details |
Nd |
|
Nd |
Deflandre,G. et al. Critical remarks on the genus Micrhystridium, Deflandre. |
1965 |
| details |
Late Precambrian |
Paleozoic |
Worldwide |
Timofeev,B.V. The taxonomy of the most ancient phytoplankton organisms and dispersed spores. (Taxonomy and Methods for the Study of Fossl Pollen and Spores. V.N. Saks and A.F. Khlonova, editors) |
1964 |
| details |
Cambrian |
|
USSR(Siberia) |
Rudavskaya,V.A. Phytoplankton of the Late Precambrian and Cambrian in the southern part of the Siberian Platform. (Taxonomy and Methods for the Study of Fossl Pollen and Spores. V.N. Saks and A.F. Khlonova, editors) |
1964 |
| details |
Nd |
|
Nd |
Timofeev,B.V. Systematic classification of organic phytoplankton and spore dispersa. (In: Taxonomy and methods for the study of fossil pollen and spores. V.N.Saks and A.F.Khlonova, editors) |
1964 |
| details |
Ordovician |
|
USSR(Siberia) |
Timofeev,B.V. Ordovician and Silurian phytoplankton of the Siberian Platform. |
1963 |
| details |
Nd |
|
Nd |
Evitt,W.R. A discussion and proposals concerning fossil dinoflagellates, Hystrichospheres, and acritarchs. II. |
1963 |
| details |
Nd |
|
Nd |
Sarjeant,W.A.S. The Hystrichospheres. A review and discussion. |
1961 |
| details |
Early Cambrian |
|
USSR(Bashkir ASSR) |
Chibrikova,E.V. Results of study of spores of ancient deposits of Bashkiria |
1960 |
| original |
Early Cambrian |
|
USSR(Pre-Baltic) |
Timofeev,B.V. Ancient flora of the Prebaltic Region and its stratigraphic significance |
1959 |
| details |
Cambrian |
|
USSR(Baltic) |
Obrhel,J. On the occurrance of spores and pollen (sporae dispersae) in Lower Paleozoic and Pre-Paleozoic formations |
1958 |
| details |
Cambrian |
|
USSR |
Timofeev,B.V. Hystrichosphaeridae of the Cambrian |
1956 |