| 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 |
Arenigian |
Llanvirnian |
Morocco |
Fournier-Vinas,C. Ordovician acritarchs of Zekkara, (East Morocco). |
1985 |
| details |
Late Arenigian |
Llanvirnian |
Czechoslovakia |
VavrdovЎ,M. Excystment mechanism of Early Paleozoic acritarchs. |
1976 |
| details |
Arenigian |
Llanvirnian |
China |
Brocke,R. et al. First appearance of selected Early Ordovician acritarch taxa from Peri-Gondwana. |
1995 |
| details |
Arenigian |
Llanvirnian |
Morocco |
Brocke,R. et al. First appearance of selected Early Ordovician acritarch taxa from Peri-Gondwana. |
1995 |
| details |
Arenigian |
Llanvirnian |
Belgium |
Brocke,R. et al. First appearance of selected Early Ordovician acritarch taxa from Peri-Gondwana. |
1995 |
| details |
Arenigian |
Llanvirnian |
Germany |
Brocke,R. et al. First appearance of selected Early Ordovician acritarch taxa from Peri-Gondwana. |
1995 |
| details |
Arenigian |
Llanvirnian |
Czechoslovakia(Bohemia) |
Brocke,R. et al. First appearance of selected Early Ordovician acritarch taxa from Peri-Gondwana. |
1995 |
| details |
Arenigian |
Llanvirnian |
Germany(Saxony) |
Walter,H. et al. Paleozoic microfossils from the northern Margin of the Erzgebir Mountains, (Saxony). |
1998 |
| details |
Late Llanvirnian |
Llandeilian |
Bulgaria |
Kalvacheva,R.K. Acritarch evidence for Ordovician System in West Bulgaria |
1984 |
| details |
Llanvirnian |
Llandeilian |
Libya |
Deunff,J. et al. Cambrian to Ordovician palynology and stratigraphy (Northwest Libya). |
1975 |
| details |
Middle Ordovician |
Late Ordovician |
Bulgaria |
Kalvacheva,R.K. Acritarch stratigraphy of Lower Paleozoic formations in the West Balkan Mountains, Bulgaria. |
1978 |
| details |
Early Llanvirnian |
Late Ordovician |
Czechoslovakia |
VavrdovЎ,M. Phytoplankton communities of Cambrian and Ordovician age of Central Bohemia |
1982 |
| details |
Late Arenigian |
Early Llanvirnian |
Czechoslovakia |
VavrdovЎ,M. Acritarch assemblages in the Arenig series of the Prague Basin, Czech Republic. (In: Contributions to Acritarch and Chitinozoan Research. S.G.Molyneux and K.J.Doring, editors) |
1993 |
| details |
Ashgillian |
Early Llandoverian |
Czechoslovakia |
VavrdovЎ,M. New acritarchs and miospores from the Late Ordovician of Hlasna Treban, Czechoslovakia. |
1989 |
| details |
Late Llanvirnian |
Early Caradocian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. 2: Index to Parts 1 and 2. |
1977 |
| details |
Caradocian |
Ashgillian |
Algeria |
Jardin©,S. et al. Stratigraphic distribution of acritarchs in the Palaeozoic of the Algerian Sahara. |
1974 |