| original |
Silurian |
|
Africa |
Jardin©,S. et al. Fossil organic microplankton |
1972 |
| original |
Llandoverian |
|
Algeria |
Jardin©,S. et al. Stratigraphic distribution of acritarchs in the Palaeozoic of the Algerian Sahara. |
1974 |
| details |
Silurian |
|
Algeria |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Vol.5 Acritarcha. |
1979 |
| details |
Early Ludlovian |
|
Argentina(San Juan) |
Pжthe de Baldis,E.D. Paleomicroplankton and miospores of the Lower Ludlovian of the Los Espejos Formation in the cross section of Los Azuleitos, San Juan Province, Argentina. |
1981 |
| details |
Early Aeronian |
|
Turkey |
Dean,W.T. et al. Revised stratigraphy and relationships of Lower Palaeozoic Rocks, Eastern Taurus Mountains, South Central Turkey |
1990 |
| details |
Middle Llandoverian |
Late Llandoverian |
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Ludlovian |
|
Argentina |
Rubinstein,C.V. Acritarchs from the Upper Silurian of Argentina:Their relationship with Gondwana |
1995 |
| details |
Aeronian |
|
Worldwide |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Late Llandoverian |
Early Wenlockian |
Brazil(Paraiba) |
Rubinstein,C.V. Silurian acritarchs from South America: A review. |
1996 |