| details |
Late Arenigian |
Middle Ordovician |
Iran |
Ghavidel-Syooki,M. Acritarch biostratigraphy of the Palaeozoic rock units in the Zagros Basin, Southern Iran. (In: Commision Internationale de microflore du Paleozoique (CIMP) Acritarch Subcommision: O.Fatka and T.Servais, editors) |
1996 |
| details |
Early Arenigian |
Middle Arenigian |
S.Ireland(Kerry) |
Connery,C. et al. Tremadoc-Arenig acritarchs from the Annascaul Formation, Dingle Peninsula, County Kerry, Ireland. |
1999 |
| details |
Early Arenigian |
Middle Arenigian |
S.Ireland(Kerry) |
Todd,S.P. et al. An Early Ordovician age for the Annascaul Formation of the southeast Dingle Peninsula southwest Ireland. |
2000 |
| details |
Arenigian |
Llanvirnian |
England(Cumberland) |
Turner,R.E. et al. Acritarch dating of Arenig Volcanism in the Lake District. |
1979 |
| details |
Arenigian |
Llanvirnian |
France(Aude) |
Cocchio,A.M. Lower Paleozoic microflora of (Corbieres, Aude, France). |
1981 |
| details |
Arenigian |
Llanvirnian |
France(Pas-de-Calais) |
Rauscher,R. Micropaleontological and stratigraphic research in the Ordovician and Silurian in France. Study of the acritarchs, chitinozoans and spores. |
1973 |
| details |
Arenigian |
Llanvirnian |
Morocco |
Marhoumi,M.R. et al. The microfossils, (chitinozoans and acritarchs) of the Schists of Tazekka, western Morocco. |
1982 |
| details |
Arenigian |
Llanvirnian |
Morocco |
Marhoumi,M.R. et al. The microfossils, (chitinozoans and acritarchs) of the Schists of Tazekka, western Morocco. |
1982 |
| details |
Arenigian |
Llanvirnian |
Morocco |
Fournier-Vinas,C. Ordovician acritarchs of Zekkara, (East Morocco). |
1985 |
| details |
Arenigian |
Llanvirnian |
Czechoslovakia |
VavrdovЎ,M. New genera of acritarchs from the Bohemian Ordovician. |
1986 |
| details |
Late Arenigian |
Llanvirnian |
Belgium |
Martin,F. et al. Acritarchs, chitinozoans and graptolites of the Ordovician and Silurian of the Sennette Valley (Brabant Massive, Belgium) |
1979 |
| details |
Arenigian |
Llanvirnian |
France(Ardennes) |
Steemans,P. Paleogeography of the Eo-Devonian of Ardennes and Surrounding Regions |
1989 |
| details |
Arenigian |
Llanvirnian |
Portugal |
Oliveira,J.T. et al. English Title |
1991 |
| details |
Arenigian |
Llanvirnian |
France(Aude) |
Bessiere,G. et al. The Lower Palaeozoic in the Mouthoumet Massif (Aude, France) replaced in the South Hercynian area; Revision and implications. |
1988 |
| details |
Arenigian |
Llanvirnian |
Mediterranean Sea |
VavrdovЎ,M. Geographical differentiation of Ordovician acritarch assemblages in Europe. |
1974 |
| details |
Late Arenigian |
Llanvirnian |
Czechoslovakia |
VavrdovЎ,M. Excystment mechanism of Early Paleozoic acritarchs. |
1976 |
| details |
Late Arenigian |
Llanvirnian |
Czechoslovakia |
VavrdovЎ,M. Acritarchs from the Sarka Formation (Llanvirnian). |
1977 |