| original |
Late Arenigian |
|
USSR(Estonian SSR) |
Uutela,A. et al. Ordovician acritarchs from the Rapla borehole, Estonia |
1991 |
| details |
Langevoja |
Valaste |
Sweden |
Playford,G. et al. Ordovician acritarch genera Peteinosphaeridium, Liliosphaeridium and Cycloposphaeridium: Morphology, taxonomy, biostratigraphy and palaeogeographic significance |
1995 |
| details |
Volkhov |
|
Sweden |
Ribecai,C. et al. Arenigian acritarch from Horns Udde (Oland, Sweden). A preliminary report. |
1995 |
| original |
Late Volkov |
Early Kunda |
Sweden |
Ribecai,C. et al. Quantitative biostratigraphy applied to Volkhov-Kunda Palynife, (Acritarchs) sequences of northern Oland. (In: Commision Internationale de microflore du Paleozoique (CIMP) Acritarch Subcommision: O.Fatka and T.Servais, editors) |
1996 |
| original |
Late Volkov |
Early Kunda |
Sweden |
Ribecai,C. et al. Quantitative biostratigraphy applied to Volkhov-Kunda Palynife, (Acritarchs) sequences of northern Oland. (In: Commision Internationale de microflore du Paleozoique (CIMP) Acritarch Subcommision: O.Fatka and T.Servais, editors) |
1996 |
| details |
Arenigian |
|
China(Hupei) |
Tongiorgi,M. et al. Changing paleogeographical affinites of the acritarch assemblage throughout the Dawan Formation, (Arenig, Yichang area, South China) |
1998 |
| details |
Early Arenigian |
|
Tunisia |
Di Milia,A. Some additional data about Baltic and Mediterranean microfloras during Arenig-Llanvirn times. |
1998 |
| details |
Late Llanvirnian |
|
Tunisia |
Di Milia,A. Some additional data about Baltic and Mediterranean microfloras during Arenig-Llanvirn times. |
1998 |
| details |
Early Arenigian |
|
Baltic |
Tongiorgi,M. et al. Differentiation and spread of the Baltic Acritarch Province (Arenig-Llanvirn). |
1999 |
| details |
Late Arenigian |
|
China(Hupei) |
Tongiorgi,M. et al. Differentiation and spread of the Baltic Acritarch Province (Arenig-Llanvirn). |
1999 |
| details |
Arenigian |
|
Czechoslovakia(Bohemia) |
Tongiorgi,M. et al. Differentiation and spread of the Baltic Acritarch Province (Arenig-Llanvirn). |
1999 |
| details |
Early Llanvirnian |
|
Tunisia |
Tongiorgi,M. et al. Differentiation and spread of the Baltic Acritarch Province (Arenig-Llanvirn). |
1999 |
| details |
Late Arenigian |
Early Llanvirnian |
Sweden |
Tongiorgi,M. et al. Differentiation and spread of the Baltic Acritarch Province (Arenig-Llanvirn). |
1999 |
| details |
Late Arenigian |
|
Norway |
Ribecai,C. et al. Acritarchs from the Ordovician of the Oslo Region, Norway. |
2000 |
| details |
Volkhov |
Kunda |
Sweden |
Bagnoli,G. et al. On the biostratigraphic significance of the Ordovician acritarch genus Liliosphaeridium on –land, Sweden. |
2001 |
| details |
Nd |
|
Nd |
Bagnoli,G. et al. On the biostratigraphic significance of the Ordovician acritarch genus Liliosphaeridium on –land, Sweden. |
2001 |
| details |
Nd |
|
Nd |
Bagnoli,G. et al. On the biostratigraphic significance of the Ordovician acritarch genus Liliosphaeridium on –land, Sweden. |
2001 |