| original |
Early Silurian |
|
USSR(Moscow Basin) |
Zalessky,M.D. On marine sapropelite of Silurian age, formed by blue-green alga. |
1917 |
| details |
Late Cretaceous |
|
Hungary |
Kedves,M. et al. LM and TEM investigations on the Upper Cretaceous Ajkaite of Hungary 1. |
2000 |
| details |
Middle Ordovician |
|
Australia(W.Australia) |
Winchester-Seeto,T. et al. The environmental response of Middle Ordovician large organic walled microfossils from the Goldwyer and Nita Formations, Canning Basin, Western Australia. |
2000 |
| details |
Richmondian |
|
Missouri |
Wicander,R. et al. Taxonomic, biostratigraphic, and paleogeographic implications of an Upper Ordovician acritarch assemblage from the Maquoketa Shale, Northeastern Missouri, U.S.A. |
1998 |
| details |
Middle Ordovician |
|
Australia(W.Australia) |
Winchester-Seeto,T. et al. Chitinozoans from the Middle Ordovician (Darriwilian) Goldwyer and Nita Formations, Canning Basin (Western Australia). |
2000 |
| details |
Late Ordovician |
|
Canada(Saskatchewan) |
Pak,R. et al. Ichnology of the Yeoman Formation. |
2003 |
| details |
Ordovician |
Devonian |
Canada(Ontario) |
Obermajer,M. et al. Asseccing thermal maturity of Paleozoic rocks from reflectance of chitinozoa as constrained by geochemical indicators: an example from southern Ontario, Canada. |
1996 |
| details |
Precambriam |
Early Cambrian |
USSR(Siberia) |
Mikhailova,N.S. Microphytofossils of the Udokanskoi i Bodaibinskoi series |
1976 |
| details |
Late Llanvirnian |
Early Llandeilian |
Australia(W.Australia) |
Combaz,A. et al. Palynostratigraphy of the Ordovician from some boreholes in the Canning Basin, Western Australia. |
1972 |
| details |
Late Tournaisian |
Early Visean |
Germany(Rostock) |
Burmann,G. Details of Lower Carboniferous spore assemblages (lepidophyta zone to pusilla zone) from the Neuenkirchen 2/1973 and Wiek 4/1970 boreholes of Rugen Island, northeast Germany. |
2001 |
| details |
Eifelian |
Frasnian |
Canada(Alberta) |
Stasiuk,L.D. Microscopic studies of sedimentary organic matter: key to understanding organic-rich strata, with Paleozoic examples from Western Canada Basin |
1999 |
| details |
Middle Cambrian |
Late Cambrian |
India(Karnataka) |
Viswanathiah,M.N. et al. Acritarchs and other microfossils from the cherts of Mudhol Formation, Kaladgi, South India. |
1984 |
| details |
Middle Ordovician |
Late Ordovician |
Canada(Saskatchewan) |
Stasiuk,L.D. et al. The life cycle and phyletic affinity of Gloeocapsomorpha prisca, Zalessky 1917, from Ordovician rocks in the Canadian Williston Basin. (In: Current research, Part D: Interior Plains and Arctic Canada) |
1990 |
| 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 |
| 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 |
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 |
Silurian |
Middle Devonian |
Africa(Sahara) |
Taugourdeau,P. Incertae sedis and various microfossils preserved in organic matter of Paleozoic Sahara. |
1978 |