| details |
Late Ordovician |
|
Czechoslovakia |
VavrdovЎ,M. Further acritarchs and terrestrial plant remains from the Late Orovician at Hlasna Treban (Czechoslovakia) |
1988 |
| details |
Caradocian |
Ashgillian |
USSR(Estonian SSR) |
Uutela,A. et al. Ordovician acritarchs from the Rapla borehole, Estonia |
1991 |
| details |
Late Ordovician |
|
Indiana |
Tappan,H. The Paleobiology of Plant Protists. |
1980 |
| details |
Arenigian |
Ashgillian |
France(Gers) |
Rauscher,R. Micropaleontological and stratigraphic research in the Ordovician and Silurian in France. Study of the acritarchs, chitinozoans and spores. |
1973 |
| details |
Caradocian |
Ashgillian |
Romania |
Olaru,L. Ordovician chitinozoans and acritarchs from geological formations of Bugeac Promontory (North Dobrogea, Romania). |
1998 |
| details |
Caradocian |
|
Yemen |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Onnian |
Ashgillian |
Gondwanaland |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Ashgillian |
|
USA(Mid-Continent) |
Martin,F. Late Ordovician and Early Silurian acritarchs. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
| details |
Hirnantian |
|
Czechoslovakia |
Martin,F. Late Ordovician and Early Silurian acritarchs. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
| details |
Devonian |
|
Africa |
Martin,F. Late Ordovician and Early Silurian acritarchs. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
| details |
Early Richmondian |
|
Canada(Quebec) |
Martin,F. Late Ordovician and Early Silurian acritarchs. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
| original |
Caradocian |
|
Indiana |
Loeblich,A.R.,Jr. et al. North American species of the Ordovician acritarch genus Aremoricanium. |
1971 |
| details |
Caradocian |
Ashgillian |
Jordan |
Keegan,J.B. et al. Palynostratigraphy of the Lower Palaeozoic, Cambrian to Silurian, sediments of the Hashemite Kingdom of Jordan. (In: Special Issue: Circum-Mediterranean Palynology. B.Owens and H.Visscher, editors) |
1990 |
| details |
Caradocian |
Early Ashgillian |
New York |
Jacobson,S.R. Acritarchs from Middle and Upper Ordovician rocks in New York State and the Cincinnati Region in Ohio and Kentuck. |
1978 |
| details |
Caradocian |
Early Ashgillian |
Ohio |
Jacobson,S.R. Acritarchs from Middle and Upper Ordovician rocks in New York State and the Cincinnati Region in Ohio and Kentuck. |
1978 |
| details |
Caradocian |
Early Ashgillian |
Kentucky |
Jacobson,S.R. Acritarchs from Middle and Upper Ordovician rocks in New York State and the Cincinnati Region in Ohio and Kentuck. |
1978 |
| details |
Early Ashgillian |
Middle Ashgillian |
Canada(Anticosti Island) |
Jacobson,S.R. et al. Acritarch biostratigraphy of the Dicellograptus complanatus graptolite zone from the Vaureal form Ation, (Ashgillian), Anticosti Island, Quebec, Canada. |
1985 |