| details |
Campanian |
Maastrichtian |
Senegal |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
| details |
Early Cambrian |
|
USSR(European) |
Sokolov,B.S. The problem of the boundary between the Precambrian and the Cambrian |
1974 |
| details |
Late Riphean |
Vendian |
USSR(Siberia) |
Sokolov,B.S. On the significance of microfossils of vegetation nature. (In: Microfossils USSR. T.F.Vozzhennikova et al, editors) |
1974 |
| details |
Carboniferous |
|
USSR(Ukrainian SSR) |
Shkrebta,G.P. et al. New data on the age of ancient deposits in the Dnieper Donetzs Basin |
1973 |
| details |
Silurian |
|
USSR(Latvian SSR) |
Sheshegova,L.I. Silurian acritarchs of the USSR. |
1976 |
| details |
Silurian |
|
USSR(Kalinin) |
Sheshegova,L.I. Silurian acritarchs of the USSR. |
1976 |
| details |
Late Artinskian |
|
USSR(Kazakh SSR) |
Shafiro,Y.S. et al. Paleotectonics of the subsalt deposits on the periphery of the Caspian Depression. |
1978 |
| details |
Ordovician |
|
Nd |
Servais,T. An annotated bibliographical review of Ordovician acritarchs |
1997 |
| details |
Nd |
|
Nd |
Servais,T. Some considerations on acritarch classification |
1996 |
| details |
Late Frasnian |
Late Famennian |
USSR(Ukrainian SSR) |
Sergeyeva,L.A. et al. Microfossils of the Upper Devonian Salt deposits in the Dnieper-Donets Basin. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Late Frasnian |
Famennian |
USSR(Ukrainian SSR) |
Sergeyeva,L.A. et al. Micropaleophytological characterization of Devonian deposits from the Dnieper-Donets Basin. |
1974 |
| details |
Late Frasnian |
Famennian |
USSR(Ukrainian SSR) |
Sergeeva,L.O. Microphytofossils from Devonian Saliferous deposits of the Dnieper-Donets Basin. (In: Fossil Fauna and Flora of Ukraine.) |
1973 |
| details |
Late Frasnian |
Early Famennian |
USSR(Ukrainian SSR) |
Sergeeva,L.A. Facies adaptation of microphytofossils from Devonian Salt in the East Ukrainian Oil-Gas Province, (Dnepro-Donets Depression). |
1973 |
| details |
Early Cambrian |
|
USSR(Kazakh SSR) |
Sergeev,V.N. et al. Microbiota in Lower Cambrian Phosphorite of Karatau, Southern Kazakhstan |
1989 |
| details |
Devonian |
Mississippian |
Nd |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Devonian |
Carboniferous |
Nd |
Schopf,J.M. "Spores" and problematic plants Commonly regarded as Marine. |
1957 |
| details |
Ordovician |
Recent |
Nd |
Schopf,J.M. Systematics and nomenclature in palynology. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |