| original |
Late Ordovician |
|
Indiana |
Loeblich,A.R.,Jr. Dicommopalla, a new acritarch genus from the Dillsboro Formation (Upper Ordovician) of Indiana, USA. |
1970 |
| details |
Wenlockian |
Ludlovian |
USSR(Tuvinskaya A.O.) |
Sheshegova,L.I. Phytoplankton of the Silurian from the Tuva, (the section of the "Elegest"). |
1975 |
| details |
Edenian |
|
Kentucky |
Jacobson,S.R. Acritarchs from the Upper Ordovician Clays Ferry Formation, Kentucky, USA. |
1978 |
| 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 |
Edenian |
|
Ohio |
Jacobson,S.R. Acritarchs as paleoenvironmental indicators in Middle and Upper Ordovician rocks from Kentucky, Ohio and New York. |
1979 |
| original |
Late Ordovician |
|
Indiana |
Colbath,G.K. Organic-walled microphytoplankton from the Eden Shale, (Upper Ordovician), Indiana, USA. |
1979 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Late Ordovician |
|
Indiana |
Colbath,G.K. Abundance fluctuations in Upper Ordovician organic-walled microplankton from Indiana. |
1980 |
| details |
Late Ordovician |
|
Indiana |
Tappan,H. The Paleobiology of Plant Protists. |
1980 |
| details |
Caradocian |
Ashgillian |
Canada(Newfoundland) |
Legault,J.A. First report of Ordovician, (Caradoc-Ashgill) palynomorphs from Orphan Knoll, Labrador Sea. |
1982 |
| details |
Late Champlainian |
Early Cincinnatian |
Canada(Quebec) |
Martin,F. Ordovician chitinozoa and acritarchs of the Saint-Laurent Platform, (Quebec and Southeast Ontario). |
1983 |
| details |
Late Champlainian |
|
Canada(Ontario) |
Martin,F. Ordovician chitinozoa and acritarchs of the Saint-Laurent Platform, (Quebec and Southeast Ontario). |
1983 |
| details |
Late Gothlandian |
Early Devonian |
USSR(Siberia) |
Dubatolov,V.N. et al. Biostratigraphy-Paleozoic of the southeast region of the West Siberian Platform. |
1984 |
| details |
Ashgillian |
|
USA(Eastern) |
Colbath,G.K. Abrupt terminal Ordovician extinction in phytoplankton associations, Southern Appalachians. |
1986 |
| details |
Rocklandian |
|
Canada(Ontario) |
Bunner,W.D. et al. A new species of Dicommopalla (Acritarcha) from the Middle Ordovician Simcoe Group of Southern Ontario, Canada. |
1989 |