| details |
Early Arenigian |
Middle Arenigian |
Argentina(Jujuy) |
Ottone,E.G. et al. Lower Ordovician palynomorphs from the Acoite Formation, Northwestern Argentina. |
1992 |
| details |
Arenigian |
Llanvirnian |
Brazil(Amazonas) |
de Quadros,L.P. Occurence of Ordovician microfossils (Acritarchae) in the Alto Amazon Sub Basin, Brazil. |
1986 |
| details |
Arenigian |
Llanvirnian |
Brazil(Amazonas) |
de Quadros,L.P. Lower and Middle Palaeozoic biostratigraphy, (Marine Section) of the Solimoes Basin. |
1988 |
| details |
Arenigian |
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 |
| details |
Late Arenigian |
Early Llanvirnian |
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Arenigian |
Early Llanvirnian |
Morocco |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| details |
Late Arenigian |
Early Llanvirnian |
Spain |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| details |
Late Arenigian |
Early Llanvirnian |
Tunisia |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| details |
Late Arenigian |
Early Llanvirnian |
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 |
Late Arenigian |
Early Llanvirnian |
Spain |
Mette,W. Acritarchs from Lower Paleozoic rocks of the Western Sierra Morena, southwest Spain and biostratigraphic results. |
1989 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Ordovician |
|
Brazil(Amazonas) |
de Quadros,L.P. et al. Ordovician acritarchae in the Alto Amazonas Sub-Basin, Brazil. |
1986 |
| details |
Early Ordovician |
|
Morocco |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |
| details |
Late Arenigian |
|
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 |
Nd |
|
Nd |
Servais,T. The Ordovician Arkonia-Striatotheca acritarch Plexus |
1997 |
| details |
Early Llanvirnian |
|
Germany |
Wang,W.-M. Paleofloristic and paleoclimatic implications of Neogene palynofloras in China |
1994 |
| details |
Early Llanvirnian |
|
Czech Republic |
Wang,W.-M. Paleofloristic and paleoclimatic implications of Neogene palynofloras in China |
1994 |