| 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 |
Cambrian |
Ordovician |
China(Xinjiang Uygur) |
Liu,D. et al. Organic petrology of potential source rocks in the Tarim Basin, northwest China. |
2003 |
| 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 |
| details |
Late Cretaceous |
|
Hungary |
Kedves,M. et al. LM and TEM investigations on the Upper Cretaceous Ajkaite of Hungary 1. |
2000 |
| details |
Silurian |
|
Baltic |
Karogodina,V.A. On the chemical treatment of ancient rocks for palaeontological investigations. |
1969 |
| details |
Ordovician |
|
Poland |
Jagielska,L. Flora of the Ordovician;Microflora |
1972 |
| details |
Middle Ordovician |
|
USA(Mid-Continent) |
Jacobson,S.R. et al. Microscopical and geochemical observations on Gloeocapsamorpha sp., from the St. Peter Sandstone to the Guttenberg Limestone Member of the Decorah Formation, (Middle Ordovician) of the midcontinent, USA. |
1986 |
| 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 |
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 |
Late Ordovician |
|
Illinois |
Guthrie,J.M. et al. Geochemical character and origin of oils in Ordovician Reservoir rock Illinois and Indiana, USA |
1995 |
| details |
Late Ordovician |
|
Indiana |
Guthrie,J.M. et al. Geochemical character and origin of oils in Ordovician Reservoir rock Illinois and Indiana, USA |
1995 |
| details |
Late Proterozoic |
|
Poland |
Gunia,T. Microflora of Pre-Cambrian Limestones of the Duszniki Zdroj Region, (the Central Sudeten). |
1974 |
| details |
Late Vendian |
|
Romania |
Givulescu,R. Fossil flora of Romania. (3rd Supplement) |
1978 |
| details |
Middle Ordovician |
|
USSR(Estonian SSR) |
Foster,C.B. et al. Gloeocapsomorpha prisca Zalesskey 1917; A new study. Part 1: Taxonomy, geochemistry and palaeoecology. |
1989 |