| original |
Silurian |
|
Belgium |
Martin,F. The acritarchs from the Belgian Ordovician and Silurian. Determination and stratigraphic value. |
1968 |
| details |
Llandoverian |
Wenlockian |
France(Manche) |
Poncet,J. et al. New stratigraphic data on the Comprehensive Series (D1-S4), of Cotentin. |
1971 |
| details |
Ashgillian |
Early Llandoverian |
Belgium |
Martin,F. The Upper Ordovician and Lower Silurian at Deerlijk (Belgium) |
1973 |
| details |
Silurian |
|
Belgium |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Llandoverian |
Ludlovian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. |
1974 |
| details |
Arenigian |
|
Italy(Sardinia) |
Pittau Demelia,P. et al. The signifance of acritarch stratigraphy of the Paleozoic succession of Sardinia. |
1982 |
| details |
Late Cambrian |
Early Tremadocian |
China(Kirin) |
Yin,L.-M. Acritarchs. (In: Aspects of Cambrian-Ordovician boundary in Dayangcha, China. J.-Y.Chen, editor) |
1986 |
| details |
Llandoverian |
|
China(Szechwan) |
Fang,X. et al. Silurian microflora and chitinozoa in Guanyinqiao Qijiang County Sichuan Province and their stratigraphic significance |
1988 |
| details |
Silurian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |