| original |
Late Ludlovian |
Early Gedinnian |
Africa(Sahara) |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| original |
Middle Gothlandian |
Late Gothlandian |
Florida |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| original |
Ludlovian |
Early Gedinnian |
Spain |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| original |
Ludlovian |
|
Spain |
Cramer,F.H. Microplankton from three Palaeozoic formations in the Province of Leon, northwest Spain. |
1964 |
| original |
Late Gothlandian |
|
Libya |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Late Gothlandian |
|
USSR(Estonian SSR) |
Aristova,K.E. et al. Microfossils of stratigraphic type sections from the Upper Silurian of Estonia. |
1976 |
| details |
Early Llandoverian |
Early Gedinnian |
Europe |
Cramer,F.H. Middle Silurian continental movement estimated from phytoplankton-facies transgressions. |
1970 |
| details |
Ludlovian |
|
Argentina(San Juan) |
Rubinstein,C.V. Palynological investigations in the Lower Paleozoic of Argentina |
1993 |
| details |
Late Wenlockian |
Ludlovian |
Argentina |
Rubinstein,C.V. Acritarchs from the Upper Silurian of Argentina:Their relationship with Gondwana |
1995 |
| details |
Late Ludlovian |
Early Pridolian |
Argentina(San Juan) |
Rubinstein,C.V. Acritarchs from the Upper Silurian of San Juan, Argentina: Biostratigraphy and palaeobiogeography. (In: Contributions to Acritarch and Chitinozoan Research. S.G.Molyneux and K.J.Doring, editors) |
1993 |
| details |
Early Llandoverian |
Early Gedinnian |
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 |
Early Wenlockian |
Early Ludlovian |
Belgium |
Martin,F. The acritarchs from the Belgian Ordovician and Silurian. Determination and stratigraphic value. |
1968 |
| details |
Silurian |
|
France(Maine-et-Loire) |
Moreau-Benoit,A. Palynologic study of the Shale-Sand Formations associated with the Chalonnes Limestone of the Saint-Charles and Tarare Qarries at Chaudefonds (Maine-et-Loire). |
1969 |
| details |
Wenlockian |
Ludlovian |
USSR(Tuvinskaya A.O.) |
Sheshegova,L.I. Phytoplankton of the Silurian from the Tuva, (the section of the "Elegest"). |
1975 |
| 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 |
Wenlockian |
|
Belgium |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |