| details |
Tremadocian |
Llanvirnian |
Argentina(Salta) |
Volkheimer,W. et al. An Ordovician microflora from the Mojotoro Formation, Salta Province. |
1980 |
| details |
Early Arenigian |
|
Argentina(Salta) |
Vergel,M.D.M. et al. Ordovician palynomorphs of Argentina: An integrated approach. (Aspects of the Ordovician System in Argentina.) |
2002 |
| details |
Early Ordovician |
Llanvirnian |
Argentina(Salta) |
Vergel,M.D.M. et al. Ordovician palynomorphs of Argentina: An integrated approach. (Aspects of the Ordovician System in Argentina.) |
2002 |
| original |
Arenigian |
|
Czechoslovakia |
VavrdovЎ,M. Acritarchs from Klabava Shales (Arenig). |
1972 |
| details |
Late Arenigian |
Llanvirnian |
Czechoslovakia |
VavrdovЎ,M. Acritarchs from the Sarka Formation (Llanvirnian). |
1977 |
| details |
Late Arenigian |
|
Czechoslovakia |
VavrdovЎ,M. Early Ordovician acritarchs from the locality Myto near Rokycany (Late Arenig, Czechoslovakia) |
1990 |
| details |
Late Arenigian |
|
Italy(Sardinia) |
Tongiorgi,M. et al. The Solanas Sandstone of Central Sadinia: New paleontological data, (acritarchs) and an attempt of geological interpretation, (A "Post-Sardinian" Molasse). |
1984 |
| details |
Silurian |
|
USSR(Siberia) |
Tesakov,Y.I. Key Beds of the Kureyka River Region. (In: Silur Sibirskoy Platformy;Opornyve Razezy Severo-Zapada Sibirskoy Platformy. B.S.Sokolov et al, editor) |
1980 |
| details |
Late Arenigian |
Llanvirnian |
Florida |
Swain,F.M. Notes on Paleozoic acritarchs from the Atlantic Margins. (In: Stratigraphic Micropaleontology of Atlantic Basin and Borderlands. F.M.Swain, editor) |
1977 |
| details |
Early Llanvirnian |
|
Belgium |
Servais,T. et al. Lower Llanvirn (Ordovician) graptolites and acritarchs from the Assise de Huy Bande de Sambre-et-Beuse, Belgium. |
1992 |
| details |
Early Llanvirnian |
|
Belgium |
Servais,T. et al. Lower Llanvirn, (Ordovician), graptolites and acritarchs from the Assise de Huy Bande de Sambre-et-Meuse, Belgium. |
1993 |
| details |
Tremadocian |
Llandeilian |
Argentina(Salta) |
Rubinstein,C.V. Palynological investigations in the Lower Paleozoic of Argentina |
1993 |
| details |
Arenigian |
|
Argentina(La Rioja) |
Rubinstein,C.V. Ordovician acritarchs from northwestern Argentina: new insights into the biostratigraphy and paleonvironmental aspects of the Central Andean Basin and Famatina. (In: Ordovician from the Andes. G.L.Albanesi,M.S.Beresi,S.H.Peralta,editors) |
2003 |
| details |
Ludlovian |
Pridolian |
Spain |
Rodriguez Gonzalez,R.M. Palynology of the Upper Silurian-Lower Devonian Formations of the Cantabrica Cordillera, Northeast Spain. |
1983 |
| details |
Arenigian |
Llanvirnian |
Morocco |
Marhoumi,M.R. et al. The microfossils, (chitinozoans and acritarchs) of the Schists of Tazekka, western Morocco. |
1982 |
| 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 Tremadocian |
|
Spain |
Fombella Blanco,M.A. Diachronism and palynology of the Cambrian-Ordovician transition of the Province of Leon, northern Spain |
1986 |