| details |
Middle Llandoverian |
|
Paraguay |
Wood,G.D. et al. Distinctive Silurian chitinozoans from the Itacurubi Group (Bargas Pena Shale), Chaco Basin, Paraguay. |
1991 |
| 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 |
Silurian |
|
Bolivia |
Volkheimer,W. et al. Stratigraphic significance of Paleozoic and Mesozoic microflora from Argentina and neighboring countries. |
1976 |
| details |
Late Ashgillian |
|
Czechoslovakia |
VavrdovЎ,M. Recycled acritarchs in the Uppermost Ordovician of Bohemia |
1982 |
| details |
Late Ordovician |
|
Czechoslovakia |
VavrdovЎ,M. Further acritarchs and terrestrial plant remains from the Late Orovician at Hlasna Treban (Czechoslovakia) |
1988 |
| details |
Late Wenlockian |
Early Gedinnian |
Spain |
Truyols,J. et al. The Silurian rocks of the Cantabrian zone and their fauna. |
1974 |
| details |
Wenlockian |
Ludlovian |
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 |
Middle Gothlandian |
|
New York |
Tappan,H. The Paleobiology of Plant Protists. |
1980 |
| details |
Middle Gothlandian |
|
New York |
Tappan,H. The Paleobiology of Plant Protists. |
1980 |
| details |
Tremadocian |
Late Arenigian |
Morocco |
Swain,F.M. Notes on Paleozoic acritarchs from the Atlantic Margins. (In: Stratigraphic Micropaleontology of Atlantic Basin and Borderlands. F.M.Swain, editor) |
1977 |
| details |
Late Silurian |
|
Bolivia |
Suarez-Soruco,R. Systematic study of the fluctuations of the stratigraphy and evolution in the Early Paleozoic of Bolivia. |
1983 |
| details |
Gorstian |
|
Sweden(Gotland) |
Stricanne,L. et al. Acritarch distribution along an inshore-offshore transect in the Gorstian (lower Ludlow) of Gotland, Sweden |
2004 |
| details |
Gedinnian |
|
France |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
| details |
Late Gedinnian |
|
Romania |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
| details |
Caradocian |
Ashgillian |
Turkey |
Steemans,P. et al. Ordovician and Silurian cryptospores and miospores from southeastern Turkey. |
1996 |
| details |
Late Gothlandian |
Early Devonian |
Spain |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |
| details |
Aeronian |
Llandoverian |
Paraguay |
Rubinstein,C.V. Silurian acritarchs from South America: A review. |
1996 |