| original |
Early Tremadocian |
|
Algeria |
Combaz,A. A microbiota of the Tremadocian in a drilling of Hassi-Messaoud. |
1967 |
| details |
Early Tremadocian |
|
Libya |
Servais,T. et al. Value and meaning of the term acritarch. (In: Commision Internationale de microflore du Paleozoique (CIMP) Acritarch Subcommision: O.Fatka and T.Servais, editors) |
1996 |
| details |
Early Tremadocian |
|
Algeria |
Steemans,P. Miospore evolution from the Ordovician to the Silurian. |
2000 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Early Ordovician |
Llanvirnian |
Argentina(Salta) |
Vergel,M.D.M. et al. Ordovician palynomorphs of Argentina: An integrated approach. (Aspects of the Ordovician System in Argentina.) |
2002 |
| details |
Early Cambrian |
|
Nd |
Steemans,P. Spores and crytospores diversification from the Ordovician to the Lower Devonian. |
1998 |
| details |
Early Arenigian |
|
Czechoslovakia |
VavrdovЎ,M. Acritarch assemblages in the Arenig series of the Prague Basin, Czech Republic. (In: Contributions to Acritarch and Chitinozoan Research. S.G.Molyneux and K.J.Doring, editors) |
1993 |
| details |
Early Arenigian |
|
Argentina(Salta) |
Vergel,M.D.M. et al. Ordovician palynomorphs of Argentina: An integrated approach. (Aspects of the Ordovician System in Argentina.) |
2002 |
| details |
Cambrian |
Early Tremadocian |
Belgium |
Herbosch,A. et al. Study of the lithostratigraphic, biostratigraphic and sedimentology of the Lessines borehole (Southern Boarder of the Brabant Massive, Belgium) |
1991 |
| details |
Arenigian |
Llanvirnian |
Saudi Arabia |
Molyneux,S.G. et al. Palynology of a problematic lower Palaeozoic lithofacies in the central Arabian Basin, Saudi Arabia. |
2000 |