| details |
Llandoverian |
Wenlockian |
USSR(Tuvinskaya A.O.) |
Sheshegova,L.I. Phytoplankton of the Silurian from the Tuva, (the section of the "Elegest"). |
1975 |
| details |
Late Llandoverian |
Wenlockian |
North America |
Le H©riss©,A. Biogeography of upper Llandovery and Wenlock acritarchs. |
1995 |
| details |
Late Llandoverian |
Wenlockian |
Sweden(Gotland) |
Le H©riss©,A. Biogeography of upper Llandovery and Wenlock acritarchs. |
1995 |
| details |
Late Llandoverian |
Wenlockian |
Greenland |
Le H©riss©,A. Biogeography of upper Llandovery and Wenlock acritarchs. |
1995 |
| details |
Late Llandoverian |
Wenlockian |
Belgium |
Le H©riss©,A. Biogeography of upper Llandovery and Wenlock acritarchs. |
1995 |
| original |
Late Riphean |
Vendian |
USSR(Ukrainian SSR) |
Timofeev,B.V. Pre-Cambrian microplankton from the Ukraine. |
1973 |
| details |
Ordovician |
Silurian |
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 |
Late Ordovician |
Silurian |
Worldwide |
Cramer,F.H. et al. Early Paleozoic palynomorph Provinces and paleoclimate. (In: Paleogeographic Provinces and Provinciality, Charles A. Ross, editor) |
1974 |
| details |
Ordovician |
Silurian |
USSR(Siberia) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Cambrian |
Ordovician |
China(Xinjiang Uygur) |
Liu,D. et al. Organic petrology of potential source rocks in the Tarim Basin, northwest China. |
2003 |
| details |
Devonian |
Mississippian |
Kentucky |
Teerman,S.C. et al. Source rock/dispersed organic matter characterization-TSOP Research Subcommittee results. |
1994 |
| details |
Early Riphean |
Middle Riphean |
Morocco |
Timofeev,B.V. et al. Acritarchs of the Precambrian in Mobile Zones. |
1980 |
| details |
Early Proterozoic |
Middle Proterozoic |
USSR(Pre-Urals) |
Timofeev,B.V. Microphytofossils of the Precambrian and Cambrian of northern Eurasia. (In: Paleontology of the Precambrian and Early Cambrian.) |
1979 |
| details |
Silurian |
Middle Devonian |
Africa(Sahara) |
Taugourdeau,P. Incertae sedis and various microfossils preserved in organic matter of Paleozoic Sahara. |
1978 |
| details |
Early Arenigian |
Middle Arenigian |
Australia(Queensland) |
Playford,G. et al. Acritarch palynoflora of the Coolibah Formation (Lower Ordovician) Georgina Basin,Queensland. (In: Palynological and Palaeobotanical Studies in Honour of Basil E. Balme. P.A. Jell and G. Playford, editors) |
1988 |
| details |
Late Arenigian |
Llanvirnian |
Australia(W.Australia) |
Hoffmann,C.F. et al. Hydrocarbon biomarkers from Ordovician sediments and fossil alga Gloeocapsomorpha prisca, Zalessky,1917 |
1987 |
| details |
Middle Riphean |
Late Riphean |
Morocco |
Choubert,G. et al. Subdivisions of the Precambrian in Anti-Atlas in terms of a model for Project PICG No.2. (In: Principles and Criteria of Subdivision of Precambrian Mobile Zones. F.P.Mitrofanov, editor) |
1980 |