| details |
Llandoverian |
Wenlockian |
Argentina(Jujuy) |
Antelo,B. Silurian Formations of Northwest Argentina, (Jujuy and Salta Provinces). |
1978 |
| details |
Llandoverian |
Wenlockian |
Argentina(Salta) |
Antelo,B. Silurian Formations of Northwest Argentina, (Jujuy and Salta Provinces). |
1978 |
| details |
Llandoverian |
Wenlockian |
USA |
Cramer,F.H. et al. North American Silurian palynofacies and their spatial arrangement. |
1972 |
| details |
Ludlovian |
Early Gedinnian |
Spain |
Cramer,F.H. Palynology of Silurian and Devonian rocks in northwest Spain. |
1966 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Ludlovian |
|
USSR(Krasnoyarsk Kray) |
Sheshegova,L.I. The acritarchs of the Silurian of the northern Siberian Platform |
1984 |
| details |
Late Wenlockian |
|
USSR(Kazakh SSR) |
Grishina,T.S. et al. Acritarchs from the Cyrtograptus Lundgreni zone of the Zaisan Folded system |
1981 |
| details |
Early Famennian |
|
Belgium |
Stockmans,F. et al. Acritarchs of the "Tranchee de Senzeille" (Upper Frasnian and Lower Famennian). |
1974 |
| details |
Middle Siegenian |
|
France(Manche) |
Rauscher,R. et al. Spores and acritarchs of the Lower Devonian (Siegenian), of Cotentin. |
1965 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Early Ludlovian |
|
Nd |
Lister,T.R. et al. New evidence for the age of the primitive Echinoid Myriastiches gigas |
1967 |
| original |
Wenlockian |
|
England(Shropshire) |
Downie,C. 'Hystrichosheres', (acritarchs), and spores of the Wenlock Shales, (Silurian), of Wenlock, England. |
1963 |
| details |
Early Gothlandian |
|
Pennsylvania |
Cramer,F.H. Possible implications for Silurian paleogeography from phytoplankton assemblages of the Rose Hill and Tuscarora Formations of Pennsylvania. |
1969 |
| details |
Nd |
|
Ohio |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Early Wenlockian |
|
England |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Nd |
|
Ohio |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Nd |
|
Indiana |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |