| details |
Silurian |
|
USSR(Kalinin) |
Sheshegova,L.I. Silurian acritarchs of the USSR. |
1976 |
| details |
Silurian |
|
USSR(Siberia) |
Sheshegova,L.I. Silurian acritarchs of the USSR. |
1976 |
| details |
Scythian |
|
Canada |
Tappan,H. et al. Smaller protistan evidence and explanation of the Permian-Triassic crisis. (In: The Permian and Triassic systems and their mutual boundary) |
1973 |
| details |
Scythian |
|
Germany |
Tappan,H. et al. Smaller protistan evidence and explanation of the Permian-Triassic crisis. (In: The Permian and Triassic systems and their mutual boundary) |
1973 |
| details |
Scythian |
|
Australia |
Tappan,H. et al. Smaller protistan evidence and explanation of the Permian-Triassic crisis. (In: The Permian and Triassic systems and their mutual boundary) |
1973 |
| details |
Sakmarian |
|
India(Arunachal Pradesh) |
Lele,K.M. et al. Precambrian and Palaeozoic floras from the Himalaya; a review |
1983 |
| details |
Sakmarian |
Tatarian |
India(Andhra Pradesh) |
Srivastava,S.C. Permian palynological assemblages in the Godavari Graben. |
1992 |
| details |
Riphean |
|
USSR(Urals) |
Yankauskas,T.V. Vegetative microfossils of Tiphean deposits from Southern Urals. |
1978 |
| details |
Riphean |
Early Cambrian |
USSR(Arkhangelsk Oblast) |
Rudavskaya,V.A. et al. Stratigraphic differentiation of the Upper Precambrian from the Mezen Basin on the basis of assemblages of microplytofossils. (In: Questions of Phytostratigraphy. S.R.Samoilovich et al, editors) |
1977 |
| details |
Riphean |
Vendian |
USSR(Penza) |
Shepeleva,E.D. Phytoplankton of Predevonian deposits of the Pachelmskogo Trough. (In: Fossil Spores and Pollen of Plants and their Significance for their Stratigraphic Subdivivision of Oil and Gas Bearing Series of Precambrian, Paleozoic and Mesozoic rocks in the European and Central Asian Regions of the USSR. S.V.Semikhatovoi, V.P.Grichuka, and K.A.Bolkhovitina, editors) |
1967 |
| details |
Riphean |
|
USSR |
Timofeev,B.V. The Precambrian microplant fossils and their significance in identification and correlation. |
1968 |
| details |
Riphean |
|
Russia(Siberia) |
Veis,A.F. et al. Age transformation in the facies-ecological structure of Precambrian biotas and stratigraphy of the Riphean. |
1998 |
| details |
Riphean |
|
Russia(Urals) |
Veis,A.F. et al. Age transformation in the facies-ecological structure of Precambrian biotas and stratigraphy of the Riphean. |
1998 |
| details |
Recent |
|
Nd |
Wall,D. Evidence from recent plankton regarding the biological affinities of Tasmanites, Newton,1875 and Leiosphaeridia Eisenack,1958 |
1962 |
| details |
Proterozoic |
Silurian |
Czechoslovakia |
SnopkovŠ,P. et al. Biostratigraphy of the Gelnica Group in the Spissko-Gemerski Rudohoris (Mountains), based on palynological data. |
1979 |
| details |
Proterozoic |
|
USSR(Ukrainian SSR) |
Shkrebta,G.P. Causes of variability of microplant assemblages in petroleum, gases, formation water and host rocks. |
1975 |
| details |
Proterozoic |
Cambrian |
Montana |
Pflug,H.D. et al. Evolutionary changes in the Proterozoic. (In: Global Bio-Events. O.H.Walliser, editors; Proceeding,1st International Meeting of IGCP Project 216; Global Biology Events in Earth History. O.H.Walliser, editor) |
1986 |