| details |
Ludlovian |
|
England(Shropshire) |
Dorning,K.J. Silurian acritarchs from the type Wenlock and Ludlow of Shropshire, England. |
1981 |
| details |
Silurian |
Devonian |
North America |
Miller,M.A. et al. Trochospiral Suture |
1982 |
| details |
Silurian |
Devonian |
United Kingdom |
Miller,M.A. et al. Trochospiral Suture |
1982 |
| details |
Silurian |
Devonian |
Ireland |
Miller,M.A. et al. Trochospiral Suture |
1982 |
| details |
Silurian |
Devonian |
Africa |
Miller,M.A. et al. Trochospiral Suture |
1982 |
| details |
Late Wenlockian |
Gedinnian |
Spain |
Rodriguez Gonzalez,R.M. Palynology of the Upper Silurian-Lower Devonian Formations of the Cantabrica Cordillera, Northeast Spain. |
1983 |
| details |
Ludlovian |
|
United Kingdom |
Downie,C. Acritarchs in British stratigraphy |
1984 |
| details |
Emsian |
|
France(Ardennes) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
| details |
Ludlovian |
|
Libya |
Wood,G.D. et al. A unique new genus of acritarcha, (organic-walled microphytoplankton), from the Tanezzuft Formation (Silurian) of Libya. |
1987 |
| details |
Aeronian |
Telychian |
Libya |
Hill,P.J. et al. Biostratigraphy, palynofacies and provincialism of Late Ordovician-Early Silurian acritarchs from northeastern Libya. (In: The Subsurface Palynostratigraphy of Northeast Libya. Special Publication of the University of Garryounis, Libya. E.Arnauti et al, editors) |
1989 |
| details |
Llandoverian |
Pridolian |
France(Ardennes) |
Steemans,P. Paleogeography of the Eo-Devonian of Ardennes and Surrounding Regions |
1989 |
| details |
Late Sheinwoodian |
Early Homerian |
Sweden |
Le H©riss©,A. Acritarchs and cysts of Prasinophycean algae of the Silurian of Gotland, Sweden. |
1989 |
| details |
Early Gedinnian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Wenlockian |
Gedinnian |
Libya |
Tekbali,A.O. et al. Silurian spores, acritarchs and chitinozoans from the Bani Walid Borehole of the Ghadamis Basin, Northwest Libya. (In: The Geology of Libya. M.J.Salem et al, editors) |
1991 |
| details |
Nd |
|
Nd |
Di Milia,A. et al. Acritarch findings in Early Paleozoic, low-grade metasediments of Sardinia (Italy): A review. |
1993 |
| details |
Early Ludfordian |
|
Saudi Arabia |
Le H©riss©,A. et al. Stratigraphic and paleogeographical significance of Silurian acritarchs from Saudi Arabia. (In: Palaeozoic Palynostratigraphy of the Kingdom of Saudi Arabia. B.Owens et al, editors) |
1995 |
| details |
Early Ludfordian |
|
Saudi Arabia |
Le H©riss©,A. et al. Stratigraphic and paleogeographical significance of Silurian acritarchs from Saudi Arabia. (In: Palaeozoic Palynostratigraphy of the Kingdom of Saudi Arabia. B.Owens et al, editors) |
1995 |