| details |
Late Llandoverian |
|
Alabama |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Early Llandoverian |
|
Canada(Ontario) |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Wenlockian |
|
Spain |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Late Llandoverian |
|
Kentucky |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Early Llandoverian |
|
New York |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Late Llandoverian |
|
Georgia |
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 |
Late Llandoverian |
Ludlovian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. |
1974 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Silurian |
|
Canada(Anticosti Island) |
Duffield,S.L. et al. Acritarch biostratigraphy of Upper Ordovician-Lower Silurian rocks, Anticosti Island, Quebec. |
1981 |
| details |
Llandoverian |
|
England(Shropshire) |
Dorning,K.J. Silurian acritarchs from the type Wenlock and Ludlow of Shropshire, England. |
1981 |
| details |
Early Gothlandian |
|
Canada(Anticosti Island) |
Duffield,S.L. et al. Gradational morphological series in Early Silurian acritarchs from Anticosti Island, Quebec. |
1982 |
| details |
Late Llandoverian |
Early Wenlockian |
Argentina |
Bultynck,P. et al. Lower Ordovician conodonts and acritarchs and Lower Silurian acritarchs of the northern part of the Argentinian Cordillera. |
1982 |
| details |
Ordovician |
Silurian |
France(Lot-et-Garonne) |
Baudelot,S. et al. Paleozoic basins hidden under the Aquitaine: Micropaleontological study of core collected during petroleum investigations. (In: Program of deep geology of France first phase of investigation-1983-1984) |
1984 |
| details |
Middle Llanvirnian |
Late Llanvirnian |
United Kingdom |
Downie,C. Acritarchs in British stratigraphy |
1984 |
| details |
Late Rhuddanian |
Middle Telychian |
Norway |
Smelror,M. Early Silurian acritarchs and Prasinophycean algae from the Ringerike Districkt, Oslo Region (Norway). |
1987 |
| details |
Llandoverian |
Early Sheinwoodian |
Sweden |
Le H©riss©,A. Acritarchs and cysts of Prasinophycean algae of the Silurian of Gotland, Sweden. |
1989 |