| details |
Onnian |
Ashgillian |
Worldwide |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Late Ordovician |
|
USSR(Lithuanian SSR) |
Pa?keviciene,L. Acritarchs from the Upper Ordovician of East Lithuania |
1993 |
| details |
Middle Ashgillian |
|
USSR(Estonian SSR) |
Uutela,A. et al. Ordovician acritarchs from the Rapla borehole, Estonia |
1991 |
| details |
Late Caradocian |
|
United Kingdom |
Downie,C. Acritarchs in British stratigraphy |
1984 |
| details |
Caradocian |
Ashgillian |
Turkey |
Steemans,P. et al. Ordovician and Silurian cryptospores and miospores from southeastern Turkey. |
1996 |
| details |
Late Caradocian |
|
Saudi Arabia |
Jachowicz,M. Ordovician acritarch assemblages form Central and Northwestern Saudi Arabia. (In: Palaeozoic Palynostratigraphy of the Kingdom of Saudi Arabia. B.Owens et al, editors) |
1995 |
| details |
Caradocian |
|
Portugal |
Elaouad-Debbaj,Z. Late Ordovician acritarches of the Bucaco Syncline (Portugal); systematics-biostratigraphy-paleogeographic interests. |
1978 |
| details |
Nd |
|
Nd |
Eiserhardt,K.H. Orthosphaeridium rectangulare (Eisenack,1963), (Acritarcha), from a Ojlemyrflint Erratic (Sweden). |
1985 |
| details |
Late Ordovician |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Caradocian |
Ashgillian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. |
1974 |
| details |
Nd |
|
Nd |
PrŠ¶ssl,K.F. Palaeopalynology Part iii: Acritarch, Prasinophyceen and dinoflagellate: Aquatic palynomorphs from Ursprungs. |
1998 |
| details |
Ashgillian |
|
Morocco |
Elaouad-Debbaj,Z. Acritarchs from the Upper Ordovician (Caradoc-Ashgill) of the Anti-Atlas, Morocco. |
1988 |
| details |
Pirgu |
|
Lithuania |
Pa?keviciene,L. et al. The composition, distribution and evolution of Ordovician brachiopods, conodonts and acritarchs in the South-eastern part of the Baltic basin. |
2001 |
| details |
Late Caradocian |
|
Libya |
Molyneux,S.G. et al. Late Ordovician palynomorphs. (In: Palynology of Northeast Libya. B.Thusu and B.Owens, editors) |
1985 |
| details |
Early Ashgillian |
|
Libya |
Hill,P.J. et al. Biostratigraphy, palynofacies and provincialism of Late Ordovician-Early Silurian acritarchs from northeastern Libya. (In: The Subsurface Palynostratigraphy of Northeast Libya. Special Publication of the University of Garryounis, Libya. E.Arnauti et al, editors) |
1989 |
| details |
Cambrian |
Ordovician |
Libya |
Deunff,J. et al. Cambrian to Ordovician palynology and stratigraphy (Northwest Libya). |
1975 |
| details |
Llanvirnian |
Ashgillian |
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 |