| details |
Late Cambrian |
Early Tremadocian |
Norway |
Welsch,M. The acritarchs of the Upper Digermul Group, Middle Cambrian to Tremadoc, Eastern Finnmark, Northern Norway. |
1986 |
| details |
Late Cambrian |
Early Tremadocian |
Norway |
Welsch,M. Palynological investigation (acritarchs) in Cambrian and Tremadocian sediments of Eastern Finnmark (Norway). |
1986 |
| details |
Early Tremadocian |
|
Argentina(Salta) |
Vergel,M.D.M. et al. Ordovician palynomorphs of Argentina: An integrated approach. (Aspects of the Ordovician System in Argentina.) |
2002 |
| details |
Tremadocian |
|
Argentina(Salta) |
Rubinstein,C.V. Tremadocian acritarchs from Northwestern Argentina |
1997 |
| details |
Late Tremadocian |
|
Argentina(Salta) |
Rubinstein,C.V. et al. Acritarch biostratigraphy of the upper Tremadoc-Arenig of the Eastern Cordillera, northwestern Argentina: relationships with graptolite and trilobite faunas. |
1999 |
| details |
Late Tremadocian |
|
Argentina(Jujuy) |
Rubinstein,C.V. et al. Acritarch biostratigraphy of the upper Tremadoc-Arenig of the Eastern Cordillera, northwestern Argentina: relationships with graptolite and trilobite faunas. |
1999 |
| details |
Tremadocian |
|
Austria |
Reitz,E. et al. Biostratigraphic evidence of Lower Ordovician in the Innsbruck Quartzphyullite Group (Eastern Alps) |
1990 |
| original |
Tremadocian |
|
England(Shropshire) |
Rasul,S.M. Acritarch zonation of the Tremadoc Series of the Shineton Shales, Wrekin, Shropshire, England. |
1979 |
| details |
Early Arenigian |
|
Wales |
Molyneux,S.G. Appendix: Acritarchs and chitinozoa from the Arenig series of southwest Wales. (In: The Arenig Series in South Wales: Stratigraphy and palaeontology.) |
1987 |
| details |
Tremadocian |
|
Nd |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Late Cambrian |
Tremadocian |
Spain |
Mette,W. Acritarchs from Lower Paleozoic rocks of the Western Sierra Morena, southwest Spain and biostratigraphic results. |
1989 |
| details |
Tremadocian |
|
Iran |
Mehrjerdi,H. Palynostratigraphy and palaeobiogeography of a Lower Palaeozoic sequence in the type-section of Shirgesht Formation, Northern Tabas City, East-Central Iran. |
2001 |
| details |
Tremadocian |
|
Iran |
Mehrjerdi,H. Palynostratigraphy and palaeobiogeography of a Lower Palaeozoic sequence in the type-section of Shirgesht Formation, Northern Tabas City, East-Central Iran. |
2001 |
| details |
Early Ordovician |
|
S.Ireland(Kerry) |
Higgs,K.T. et al. Early Ordovician acritarchs from the Annascaul Formation, Dingle Peninsula, County Kerry, Ireland. (In: Commision Internationale de microflore du Paleozoique (CIMP) Acritarch Subcommision: O.Fatka and T.Servais, editors) |
1996 |
| details |
Tremadocian |
|
Iran |
Ghavidel-Syooki,M. Palynological study of Paleozoic sediments of the Chal-I-Sheh area, Southwestern Iran |
1993 |
| details |
Tremadocian |
Arenigian |
Iran |
Ghavidel-Syooki,M. Biostratigraphy and paleo-biogeography of some Paleozoic rocks at Zagros and Alborz Mountains. |
1994 |
| details |
Early Tremadocian |
|
Iran |
Ghavidel-Syooki,M. Palynostratigraphy and palaeogeography of a Palaeozoic sequence in the Hassanakdar area, Central Alborz Range, Northern Iran. |
1995 |