| details |
Late Llanvirnian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Llanvirnian |
Caradocian |
England(Cumberland) |
Millward,D. et al. Field and biostratigraphic evidence for an unconformity at the Base of the Eycott Volcanic Group in the English Lake District |
1992 |
| details |
Arenigian |
Llanvirnian |
Morocco |
Brocke,R. et al. First appearance of selected Early Ordovician acritarch taxa from Peri-Gondwana. |
1995 |
| details |
Arenigian |
Llanvirnian |
Belgium |
Brocke,R. et al. First appearance of selected Early Ordovician acritarch taxa from Peri-Gondwana. |
1995 |
| details |
Arenigian |
Llanvirnian |
Germany |
Brocke,R. et al. First appearance of selected Early Ordovician acritarch taxa from Peri-Gondwana. |
1995 |
| details |
Arenigian |
Llanvirnian |
Czechoslovakia(Bohemia) |
Brocke,R. et al. First appearance of selected Early Ordovician acritarch taxa from Peri-Gondwana. |
1995 |
| details |
Arenigian |
Llanvirnian |
China |
Brocke,R. et al. First appearance of selected Early Ordovician acritarch taxa from Peri-Gondwana. |
1995 |
| details |
Late Llanvirnian |
|
E.Germany(Rostock) |
Servais,T. et al. Variability in the Ordovician acritarch Dicrodiacrodium |
1996 |
| details |
Arenigian |
|
China(Hupei) |
Servais,T. et al. Variability in the Ordovician acritarch Dicrodiacrodium |
1996 |
| details |
Late Arenigian |
|
Czechoslovakia(Bohemia) |
Servais,T. et al. Variability in the Ordovician acritarch Dicrodiacrodium |
1996 |
| details |
Late Arenigian |
|
Morocco |
Servais,T. et al. Variability in the Ordovician acritarch Dicrodiacrodium |
1996 |
| details |
Nd |
|
Nd |
Servais,T. et al. Variability in the Ordovician acritarch Dicrodiacrodium |
1996 |
| details |
Arenigian |
|
China(Szechwan) |
Brocke,R. Evaulation of the Ordovician acritarch genus Ampullula Righi |
1997 |
| details |
Early Ordovician |
|
China |
Metcalfe,I. Palaeozoic and Mesozoic geological evolution of the Southeast Asian region: Multidisciplinary constraints and implications for biogeography. (In: Biogeography and Geological Evolution of Southeast Asia. R.Hall and J.D.Holloway, editors) |
1998 |
| details |
Arenigian |
Llanvirnian |
Tunisia |
Vecoli,M. et al. Palynostratigraphy of Upper Cambrian-upper Ordovician intracratonic clastic sequences, North Africa. |
1999 |
| details |
Arenigian |
Llanvirnian |
Algeria |
Vecoli,M. et al. Palynostratigraphy of Upper Cambrian-upper Ordovician intracratonic clastic sequences, North Africa. |
1999 |
| details |
Early Llanvirnian |
|
Tunisia |
Tongiorgi,M. et al. Differentiation and spread of the Baltic Acritarch Province (Arenig-Llanvirn). |
1999 |