| details |
Tremadocian |
|
Algeria |
Deunff,J. Systematics of fossil microplankton, acritarchs; revision of two genera from the Lower Ordovician |
1964 |
| details |
Early Tremadocian |
|
Algeria |
Combaz,A. A microbiota of the Tremadocian in a drilling of Hassi-Messaoud. |
1967 |
| details |
Caradocian |
|
Belgium |
Martin,F. et al. The Caradocian Flysch of Ombret. |
1970 |
| details |
Llanvirnian |
|
England(Lancashire) |
Downie,C. et al. Age of the Eycott Volcanic Group and its Conformable relationship to the Skiddaw Slates in the English Lake District. |
1972 |
| details |
Nd |
|
Nd |
Martin,F. Acritarchs of the Lower Ordovician of the Montagne Noire (Herault, France). |
1972 |
| details |
Tremadocian |
|
USSR(Estonian SSR) |
Yankauskas,T.V. et al. Micropaleontological characteristics of the Tremadocian Ulgase Member of Estonia. |
1972 |
| details |
Cambrian |
Ordovician |
Libya |
Bonnefous,J. Geology of the Quartzitic "Gargaf Formation" in the Sirte Basin, Libya. |
1972 |
| details |
Tremadocian |
|
France(Herault) |
Rauscher,R. Micropaleontological and stratigraphic research in the Ordovician and Silurian in France. Study of the acritarchs, chitinozoans and spores. |
1973 |
| details |
Tremadocian |
|
Belgium |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Early Tremadocian |
|
Africa(Sahara) |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Tremadocian |
|
England |
Rasul,S.M. The Lower Palaeozoic acritarchs Priscogalea and Cymatiogalea |
1974 |
| details |
Tremadocian |
|
Africa(Sahara) |
Rasul,S.M. The Lower Palaeozoic acritarchs Priscogalea and Cymatiogalea |
1974 |
| details |
Tremadocian |
|
Belgium |
Rasul,S.M. The Lower Palaeozoic acritarchs Priscogalea and Cymatiogalea |
1974 |
| details |
Cambrian |
Tremadocian |
Belgium |
Vanguestaine,M. Zone species of acritarchs from the Cambro-Tremadocian of Belgium and the French Ardennes. |
1974 |
| details |
Cambrian |
Tremadocian |
France(Ardennes) |
Vanguestaine,M. Zone species of acritarchs from the Cambro-Tremadocian of Belgium and the French Ardennes. |
1974 |
| details |
Tremadocian |
|
England(Shropshire) |
Rasul,S.M. et al. The stratigraphic distribution of Tremadoc acritarchs in the Shineton Shales succession, Shropshire, England. |
1974 |
| details |
Tremadocian |
|
Algeria |
Jardin©,S. et al. Stratigraphic distribution of acritarchs in the Palaeozoic of the Algerian Sahara. |
1974 |