| details |
Homerian |
|
England(Shropshire) |
Turner,N. et al. A palynological study of the Lower Carboniferous Lydebrook Sandstone and adjacent Late Wenlock and Langsettian Strata, Shropshire, England. |
1995 |
| details |
Early Wenlockian |
|
Scotland(Ayr) |
Dorning,K.J. Early Wenlockian acritarchs from the Knockgardner and Straiton Grit Formations of Knockgardner, Ayrshire. |
1982 |
| details |
Early Wenlockian |
Early Gedinnian |
Spain |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Early Wenlockian |
Ludlovian |
USSR(Russian Platform) |
Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. |
1974 |
| details |
Early Wenlockian |
Ludlovian |
USSR(Pre-Baltic) |
Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. |
1974 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Early Ludlovian |
|
New York |
Miller,M.A. et al. Ludlow age acritarchs and spores from the Pittsford Shale, New York. |
1988 |
| details |
Early Ludlovian |
|
Africa(Sahara) |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| details |
Early Ludlovian |
Middle Ludlovian |
Argentina(San Juan) |
Rubinstein,C.V. Acritarch from the Silurian of the Jachal River Valley (Los Esp Formation), San Juan Province, Republica Argentina Subgroups Herkumorphita, Netromorphitae and Polgonomorphitae |
1989 |
| details |
Early Llandoverian |
|
Belgium |
Martin,F. The Upper Ordovician and Lower Silurian at Deerlijk (Belgium) |
1973 |
| details |
Early Llandoverian |
|
Egypt |
Schrank,E. Palaeozoic and Mesozoic palynomorphs from northeast Africa (Egypt and Sudan) with special reference to Late Cretaceous pollen and dinoflagellates. |
1987 |
| details |
Early Gothlandian |
|
USSR(Moscow Basin) |
Aristova,K.E. Typical assemblages of Ordovician and Silurian microfossils from the Moscow Syncline. |
1980 |
| details |
Early Gothlandian |
|
Canada(Anticosti Island) |
Duffield,S.L. et al. Gradational morphological series in Early Silurian acritarchs from Anticosti Island, Quebec. |
1982 |
| details |
Early Gothlandian |
|
Libya |
Hill,P.J. et al. Silurian palynomorphs. (In: Palynology of Northeast Libya. B.Thusu and B.Owens, editors) |
1985 |
| details |
Early Gothlandian |
|
USSR(European) |
Aristova,K.E. et al. Substantiation of the Early-Silurian age of rocks of the Moscovian Syneclise in the light of Actual problems of its tectonic development and oil and Gas Content |
1975 |
| details |
Early Gothlandian |
Late Rhuddanian |
Norway |
Smelror,M. Early Silurian acritarchs and Prasinophycean algae from the Ringerike Districkt, Oslo Region (Norway). |
1987 |
| details |
Early Gothlandian |
|
USSR(Russian Platform) |
Umnova,N.I. Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic |
1975 |