details |
Oandu |
Rakvere |
Lithuania |
Pa?keviciene,L. Taxonomical composition and distribution of acritarchs in the deposits of Oandu Ravere Regional Stages of the Middle Lithuanian Depression. |
2001 |
details |
Arenigian |
Llanvirnian |
Sweden |
Righi,E. Ampullula, a new acritarch genus from the Ordovician (Arenig-Llanvirn) of Oland, Sweden. |
1991 |
details |
Arenigian |
Early Llanvirnian |
China(Hupei) |
Yin,L. Early Ordovician acritarchs from Hunjiang Region, Jilin and Yichang Region, Hubei, China. |
1995 |
details |
Late Ordovician |
Early Gothlandian |
Ghana |
Bar,P. et al. Latest Ordovician to Earliest Silurian microfloras from the Lower Sekondian Series of Ghana, (West Africa), and their relationship to those from the Itaim Formation of the Maranhao Basin in Northeast Brazil. |
1980 |
details |
Late Champlainian |
Early Cincinnatian |
Canada(Quebec) |
Martin,F. Ordovician chitinozoa and acritarchs of the Saint-Laurent Platform, (Quebec and Southeast Ontario). |
1983 |
details |
Llandeilian |
Caradocian |
Iran |
Reitz,E. et al. Ordovician acritarchs from the Banestan Kerman area, Central Iran Paleobiogeographical evidence for a Warm Water environment |
1995 |
details |
Tremadocian |
Arenigian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. |
1974 |
details |
Early Llanvirnian |
|
United Kingdom |
Downie,C. Acritarchs in British stratigraphy |
1984 |
details |
Early Tremadocian |
|
Morocco |
Elaouad-Debbaj,Z. Tremadoc acritarchs and chitinozoa from the Middle Anti-Atlas, (Morocco). |
1988 |
details |
Early Tremadocian |
|
Morocco |
Elaouad-Debbaj,Z. Tremadoc acritarchs and chitinozoa from the Middle Anti-Atlas, (Morocco). |
1988 |
details |
Arenigian |
|
China(Hunan) |
Li,J. Ordovician acritarchs from the Jiuxi Formation of Jishou, Hunan. |
1990 |
original |
Early Ordovician |
|
Sweden |
Kjellstrжm,G. Ordovician microplankton (baltisphaerids) from the Grotlingbo borehole No.1 in Gotland, Sweden. |
1971 |
details |
Ordovician |
|
Sweden |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
details |
Early Ordovician |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
details |
Late Arenigian |
|
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 |
Ordovician |
|
Czechoslovakia |
VavrdovЎ,M. Early Ordovician acritarchs from the locality Myto near Rokycany (Late Arenig, Czechoslovakia) |
1990 |
details |
Early Caradocian |
|
Sweden |
Wallin,A. et al. Biostratigraphical investigation of Middle Ordovician acritarch the post-impact sequence in the Tvaren-2 core, Sweden. |
1996 |