| original |
Late Tarannon |
Early Wenlockian |
Belgium |
Martin,F. The acritarchs from the Belgian Ordovician and Silurian. Determination and stratigraphic value. |
1968 |
| details |
Late Tarannon |
Early Wenlockian |
Belgium |
Martin,F. On the age of the shales of the Caledonian Belt of the Sambre-Meuse at Ombret. |
1969 |
| details |
Late Llandoverian |
|
Canada(Nova Scotia) |
Cramer,F.H. Arcitarchs and chitinozoans from the Silurian Ross Brook Formation, Nova Scotia |
1970 |
| details |
Early Llandoverian |
Late Wenlockian |
North America |
Cramer,F.H. Middle Silurian continental movement estimated from phytoplankton-facies transgressions. |
1970 |
| details |
Early Llandoverian |
Late Wenlockian |
Europe |
Cramer,F.H. Middle Silurian continental movement estimated from phytoplankton-facies transgressions. |
1970 |
| details |
Early Llandoverian |
Late Wenlockian |
Africa |
Cramer,F.H. Middle Silurian continental movement estimated from phytoplankton-facies transgressions. |
1970 |
| details |
Silurian |
|
USA |
Cramer,F.H. et al. North American Silurian palynofacies and their spatial arrangement. |
1972 |
| details |
Wenlockian |
|
Canada(Ontario) |
Thusu,B. Acritarchs of the Middle Silurian Rochester Formation of Southern Ontario |
1973 |
| details |
Wenlockian |
|
Alabama |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Tarannon |
Late Wenlockian |
Belgium |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Early Gothlandian |
|
Pennsylvania |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Wenlockian |
|
New York |
Thusu,B. et al. Middle Silurian acritarchs in the Upper type Clinton Group, East-Central New York. |
1974 |
| details |
Llandoverian |
Early Wenlockian |
Wales(Carmarthenshire) |
Hill,P.J. Stratigraphic palynology of acritarchs from the type area of the Llandovery and the Welsh Borderland. |
1974 |
| details |
Llandoverian |
|
USSR(Belorussian SSR) |
Piskun,L.V. Palaeontologic characteristics of Silurian deposits of the Brest Depression. (In: Microfossils USSR. T.F.Vozzhennikova et al, editors) |
1974 |
| details |
Early Gothlandian |
|
USSR(Russian Platform) |
Umnova,N.I. Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic |
1975 |
| details |
Llandoverian |
|
USSR(Tuvinskaya A.O.) |
Sheshegova,L.I. Phytoplankton of the Silurian from the Tuva, (the section of the "Elegest"). |
1975 |
| details |
Llandoverian |
|
USSR(Tuvinskaya A.O.) |
Sheshegova,L.I. Genus Domasia Downie from Silurian deposits of the USSR. (In: Contributions to Paleophytology of Siberia. A.F.Khlonova, editor) |
1976 |