| details |
Arenigian |
|
Australia(Queensland) |
Playford,G. et al. Acritarch palynology of Lower Ordovician strata, Georgina Basin, Queensland, Australia. |
1988 |
| details |
Cambrian |
|
USSR(Siberia) |
Rudavskaya,V.A. The acritarchs of the Motsk Strata of the Markovo oil field in East Siberia. (In: Palynology in Petroleum Geology. N.M.Ivanova, editor) |
1971 |
| details |
Cambrian |
Ordovician |
China(Xinjiang Uygur) |
Liu,D. et al. Organic petrology of potential source rocks in the Tarim Basin, northwest China. |
2003 |
| details |
Cincinnatian |
|
Illinois |
Guthrie,J.M. et al. Geochemical indicators of depositional environment and source-rock potential for the Upper Ordovician Maquoketa Group, Illinois Basin. |
1994 |
| details |
Cretaceous |
|
Utah |
Teerman,S.C. et al. Source rock/dispersed organic matter characterization-TSOP Research Subcommittee results. |
1994 |
| details |
Devonian |
Mississippian |
Kentucky |
Teerman,S.C. et al. Source rock/dispersed organic matter characterization-TSOP Research Subcommittee results. |
1994 |
| 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 |
Early Cambrian |
|
USSR(Belorussian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| original |
Early Cambrian |
|
USSR(Caucasus) |
Timofeev,B.V. The age of the older sedimentary rocks of the northern Elbrus Region |
1962 |
| details |
Early Cambrian |
|
USSR(Irkutskaya Oblast) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Early Cambrian |
|
China(Inner Mongolia) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Early Gothlandian |
|
USSR(Estonian SSR) |
Burns,D.A. A transmission electron microscope comparison of modern Botryococcus braunii with some microfossils previously referred to that species. |
1982 |
| details |
Early Gothlandian |
|
USSR(Estonian SSR) |
Eisenack,A. On some lower algae of the Baltic Silurian. |
1960 |
| details |
Early Ordovician |
|
USSR(Russian Platform) |
Lutkevich,E.M. et al. Ordovician System. (In: Stratigraphy and Paleogeography of the Sinian, Paleozoic and Triassic of the Western Russian Platform. E.M.Lutkevich and A.K.Krilova, editor) |
1973 |
| details |
Early Proterozoic |
|
USSR(Siberia) |
Mikhailova,N.S. Microphytofossils of the Udokanskoi and Bodaibinskoi Series. (In: Paleontology of the Precambrian and Early Cambrian.) |
1979 |
| 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 |
Early Riphean |
Middle Riphean |
Morocco |
Timofeev,B.V. et al. Acritarchs of the Precambrian in Mobile Zones. |
1980 |