| details |
Arenigian |
|
Canada(Newfoundland) |
Dean,W.T. et al. Lower Ordovician acritarchs and Trilobites from Bell Island, Eastern Newfoundland. |
1978 |
| details |
Late Arenigian |
|
Portugal |
Cunha,T.Q.E. et al. Acritarchs of the "Xistos Com Phyllodocites" Formation, Barrancos Region, southeast of Portugal. |
1988 |
| details |
Late Arenigian |
|
Portugal |
Cunha,T.Q.E. et al. Acritarchs of the "Xistos Com Phyllodocites" Formation, Barrancos Region, southeast of Portugal. |
1988 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Late Arenigian |
|
Morocco |
Cramer,F.H. et al. Seven new Late Arenigian species of the acritarch genus Coryphidium Vavrdova,1972. |
1976 |
| details |
Late Arenigian |
|
England(Cumberland) |
Cooper,A.H. et al. The age and correlation of Skiddaw Group (Early Ordovician), sediments in the Cross Fell Inlier (Northern England) |
1990 |
| details |
Arenigian |
|
England(Cumberland) |
Cooper,A.H. et al. The stratigraphy, correlation, provenance and palaeogeography of the Skiddaw Group (Ordovician) in the English Lake District |
1995 |
| details |
Arenigian |
|
England(Cumberland) |
Cooper,A.H. et al. The stratigraphy, correlation, provenance and palaeogeography of the Skiddaw Group (Ordovician) in the English Lake District |
1995 |
| details |
Early Arenigian |
Middle Arenigian |
S.Ireland(Kerry) |
Connery,C. et al. Tremadoc-Arenig acritarchs from the Annascaul Formation, Dingle Peninsula, County Kerry, Ireland. |
1999 |
| details |
Arenigian |
Llanvirnian |
France(Aude) |
Cocchio,A.M. Lower Paleozoic microflora of (Corbieres, Aude, France). |
1981 |
| details |
Arenigian |
|
France(Aude) |
Cocchio,A.M. Lower Paleozoic microflora of (Corbieres, Aude, France). |
1981 |
| details |
Arenigian |
|
France(Aude) |
Cocchio,A.M. New data on Tremadocian and Arenigian acritarchs of the Mouthoumet Massif, (Corbieres, France). |
1982 |
| details |
Early Ordovician |
|
S.Ireland(Dublin) |
BrŠ¼ck,P.M. Palynology of the Leinster Lower Paleozoic Massif, Ireland |
2001 |
| details |
Arenigian |
|
China(Szechwan) |
Brocke,R. Evaulation of the Ordovician acritarch genus Ampullula Righi |
1997 |
| details |
Late Arenigian |
|
China(Guizhou) |
Brocke,R. et al. Upper Arenigian to Lower Llanvirnian acritarch assemblages from South China: a preliminary evaluation. |
2000 |
| details |
Late Arenigian |
|
China(Hupei) |
Brocke,R. et al. Upper Arenigian to Lower Llanvirnian acritarch assemblages from South China: a preliminary evaluation. |
2000 |
| details |
Late Arenigian |
|
China(Szechwan) |
Brocke,R. et al. Upper Arenigian to Lower Llanvirnian acritarch assemblages from South China: a preliminary evaluation. |
2000 |