| details |
Lasnamagi |
Uhaku |
Lithuania |
Pa?keviciene,L. Acritarchs of the Lasnam¤gi and Uhaku Regional Stages in the South-eastern Baltic region. |
2002 |
| 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 |
Late Costonian |
Onnian |
England(Shropshire) |
Turner,R.E. Acritarchs from the type area of the Ordovician Caradoc Series, Shropshire, England. |
1984 |
| details |
Late Costonian |
Onnian |
England(Shropshire) |
Turner,R.E. Acritarchs from the type area of the Ordovician Caradoc Series, Shropshire, England. |
1984 |
| 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 |
France(Pas-de-Calais) |
Rauscher,R. Micropaleontological and stratigraphic research in the Ordovician and Silurian in France. Study of the acritarchs, chitinozoans and spores. |
1973 |
| details |
Middle Ordovician |
Llanvirnian |
USSR(Russian Platform) |
Umnova,N.I. Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic |
1975 |
| details |
Arenigian |
Llanvirnian |
Sweden |
Righi,E. Ampullula, a new acritarch genus from the Ordovician (Arenig-Llanvirn) of Oland, Sweden. |
1991 |
| details |
Arenigian |
Llanvirnian |
Sweden |
Righi,E. Ampullula, a new acritarch genus from the Ordovician (Arenig-Llanvirn) of Oland, Sweden. |
1991 |
| details |
Late Arenigian |
Llanvirnian |
Czechoslovakia |
VavrdovЎ,M. Acritarchs from the Sarka Formation (Llanvirnian). |
1977 |
| details |
Late Llanvirnian |
Llandoverian |
Finland |
Uutela,A. Age and dispersal of sedimentary erratics on the coast of southwestern Finland. |
1989 |
| details |
Arenigian |
Llandeilian |
USSR(Moscow Basin) |
Aristova,K.E. Typical assemblages of Ordovician and Silurian microfossils from the Moscow Syncline. |
1980 |
| details |
Llanvirnian |
Llandeilian |
USSR(Lithuanian SSR) |
Pa?keviciene,L. Middle Ordovician acritarchs from Lithuania and Kaliningrad District |
1993 |
| details |
Llanvirnian |
Llandeilian |
USSR(Kaliningrad) |
Pa?keviciene,L. Middle Ordovician acritarchs from Lithuania and Kaliningrad District |
1993 |
| details |
Middle Arenigian |
Llandeilian |
Australia(W.Australia) |
Combaz,A. et al. Palynostratigraphy of the Ordovician from some boreholes in the Canning Basin, Western Australia. |
1972 |
| details |
Late Arenigian |
Llandeilian |
Nd |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Early Ordovician |
Late Ordovician |
Finland |
Tynni,R. On Paleozoic microfossils in clastic dykes on the …land Islands and in the core samples of Lumparn. (In: Paleozoic sediments in the Rapakivi area of the …land Islands. L. Bergman, R. Tynni and B. Winterhalter, editors.) |
1982 |