| details |
Emsian |
Eifelian |
USA(Eastern) |
Dennison,J.M. Faces relations of Hystrichosphaeres in Onesquethaw Stage (Devonian) of Central Appalachians |
1966 |
| details |
Late Llandoverian |
Early Wenlockian |
Indiana |
Wood,G.D. Paleoecologic and biostratigraphic significance of chitinozoans and microplankton from the Lower Silurian Osgood Member of the Salamonite Dolomite, Indiana and Kentucky, USA. |
1988 |
| details |
Late Llandoverian |
Early Wenlockian |
Kentucky |
Wood,G.D. Paleoecologic and biostratigraphic significance of chitinozoans and microplankton from the Lower Silurian Osgood Member of the Salamonite Dolomite, Indiana and Kentucky, USA. |
1988 |
| details |
Late Carboniferous |
Early Permian |
Pakistan |
Frakes,L.A. et al. Late Paleozoic Glaciation; Part 6, Asia. |
1975 |
| details |
Late Westphalian |
Early Kungurian |
|
Eyles,N. et al. Hydrocarbon-bearing Late Paleozoic Glaciated Basins of Southern Central South America. (In: Petroleum Basins of South America. A.J.Tankard et al, editors) |
1995 |
| details |
Middle Ordovician |
Early Gothlandian |
USSR(Yaroslav) |
Aristova,K.E. et al. Upper Ordovician and Silurian of the Moscow Syneclise |
1977 |
| details |
Late Cambrian |
Early Gothlandian |
India(Madhya Pradesh) |
Salujha,S.K. et al. Palynology of the Vindhyans and their equivalents in Peninsular India. |
1972 |
| details |
Late Frasnian |
Early Famennian |
Belgium |
Bouckaert,J. et al. The Frasnian-Famennian boundary in Belgium |
1972 |
| details |
Frasnian |
Early Famennian |
England(Oxfordshire) |
Owens,B. et al. Micropalaeontology of Devonian sediments from a borehole in Oxfordshire, England. |
1976 |
| details |
Late Devonian |
Early Carboniferous |
China(Tibet) |
Gao,L. Late Devonian and Early Carboniferous acritarchs from Nyalam County, Xizang, (Tibet), China. |
1984 |
| details |
Late Precambrian |
Early Cambrian |
China(Szechwan) |
Wang,F. et al. New discovery of Baltisphaeridium |
1984 |
| details |
Silurian |
Devonian |
France(Cotes du Nord) |
Deunff,J. et al. The presence of a paleoplankton of acritarchs, chitinozoans, spores, scolecodonts and radiolarians from the Siluro - Devonian Formations of the Plourach Region, (Cotes-du-Nord). |
1971 |
| original |
Late Senonian |
Danian |
Denmark |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 2.) |
1933 |
| details |
Ordovician |
Cenozoic |
Nd |
Downie,C. The geological history of the microplankton. |
1967 |
| details |
Egerian |
Badenian |
Hungary |
Nagy,E. Changes in paleoenvironment and paleoclimate during the Miocene in Hungary. |
1979 |
| details |
Tremadocian |
Arenigian |
Wales |
Downie,C. et al. Changes in the acritarch assemblages at the Tremadoc boundaries in the United Kingdom. |
1979 |
| details |
Neocomian |
Aptian |
USSR(European) |
Thedorova,V.A. Microphytoplankton from the Early Cretaceous Epicontinental Seas of the European part of the USSR. |
1979 |