| details |
Ordovician |
|
Brazil(Amazonas) |
de Quadros,L.P. et al. Ordovician acritarchae in the Alto Amazonas Sub-Basin, Brazil. |
1986 |
| details |
Ordovician |
|
Germany(Rhineland) |
Koch,L. The Family Cyclopygidae (Trilobita), from the Ordovician of the Ebbe and Remscheid Anticline, (Rhenish Massif, Germany). |
1999 |
| details |
Nd |
|
Nd |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Nd |
|
Nd |
Servais,T. The Ordovician Arkonia-Striatotheca acritarch Plexus |
1997 |
| details |
Middle Frasnian |
Late Frasnian |
England(Cornwall) |
Le Gall,B. et al. New palynological data from the Gramscatho Group at the Lizard Front (Cornwall). Palaeogeographical and geodynamical implications. |
1985 |
| details |
Middle Caradocian |
Middle Ashgillian |
Baltic Sea |
Vecoli,M. et al. Quantitative evaluation of microplankton palaeobiogeography in the Ordovician-Early Silurian of the northern Trans European Suture Zone: implications for the timing of the Avalonia-Baltica collision. |
2001 |
| details |
Middle Caradocian |
Middle Ashgillian |
Germany(Rostock) |
Vecoli,M. et al. Quantitative evaluation of microplankton palaeobiogeography in the Ordovician-Early Silurian of the northern Trans European Suture Zone: implications for the timing of the Avalonia-Baltica collision. |
2001 |
| details |
Llanvirnian |
|
Wales(Caernarvonshire) |
Molyneux,S.G. Advances and problems in Ordovician palynology in England and Wales |
1990 |
| details |
Llanvirnian |
|
E.Germany |
Servais,T. The Ordovician Arkonia-Striatotheca acritarch Plexus |
1997 |
| details |
Llanvirnian |
|
E.Germany |
Servais,T. The Ordovician Arkonia-Striatotheca acritarch Plexus |
1997 |
| details |
Llanvirnian |
|
Tunisia |
Vecoli,M. et al. Palynostratigraphy of Upper Cambrian-upper Ordovician intracratonic clastic sequences, North Africa. |
1999 |
| details |
Llanvirnian |
|
Algeria |
Vecoli,M. et al. Palynostratigraphy of Upper Cambrian-upper Ordovician intracratonic clastic sequences, North Africa. |
1999 |
| details |
Llanvirnian |
|
Libya |
Abuhmida,F. et al. Palynostratigraphy and paleoenvironmental study of Middle and Upper Ordovician sequences in NW Sirt Basin, Libya. (In: Ordovician from the Andes. G.L.Albanesi,M.S.Beresi,S.H.Peralta,editors) |
2003 |
| details |
Llandeilian |
|
Wales |
Trythall,R.J.B. et al. Age and controls of Ironstone deposition (Ordovician) North Wales. |
1987 |
| details |
Late Ordovician |
|
Czechoslovakia |
VavrdovЎ,M. Further acritarchs and terrestrial plant remains from the Late Orovician at Hlasna Treban (Czechoslovakia) |
1988 |
| details |
Late Llanvirnian |
|
United Kingdom |
Downie,C. Acritarchs in British stratigraphy |
1984 |
| details |
Late Llanvirnian |
|
Brazil(Amazonas) |
de Quadros,L.P. Occurrence of Ordovician microfossils, (Acritarchs) of the Amozonas Sub-Basin of Brazil. (In: Symposium Biostratigraphie del Paleozoic Inferior.) |
1986 |