| details |
Tremadocian |
|
England(Shropshire) |
Rasul,S.M. Acritarch zonation of the Tremadoc Series of the Shineton Shales, Wrekin, Shropshire, England. |
1979 |
| details |
Tremadocian |
|
Algeria |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Tremadocian |
|
Canada(Newfoundland) |
Martin,F. et al. Middle and Upper Cambrian and Lower Ordovician acritarchs from Random Island, Eastern Newfoundland. |
1981 |
| details |
Tremadocian |
|
France(Lot-et-Garonne) |
Baudelot,S. et al. Paleozoic basins hidden under the Aquitaine: Micropaleontological study of core collected during petroleum investigations. (In: Program of deep geology of France first phase of investigation-1983-1984) |
1984 |
| details |
Tremadocian |
|
United Kingdom |
Downie,C. Acritarchs in British stratigraphy |
1984 |
| details |
Tremadocian |
Early Arenigian |
United Kingdom |
Downie,C. Acritarchs in British stratigraphy |
1984 |
| details |
Tremadocian |
|
USSR(Estonian SSR) |
Volkova,N.A. The age of the Ulgazek Series at the Cambrian - Ordovician contact in Estonia. |
1982 |
| details |
Tremadocian |
|
Morocco |
Elaouad-Debbaj,Z. Tremadoc acritarchs and chitinozoa from the Middle Anti-Atlas, (Morocco). |
1988 |
| details |
Tremadocian |
|
Belgium |
Vanguestaine,M. Acritarch datation of the deepest Cambro-Tremadocian strata of the Lessines borehole (Southern Border of the Brabant Massif, Belgium) |
1991 |
| details |
Tremadocian |
|
USSR(Estonian SSR) |
Volkova,N.A. Acritarchs from the Upper Pakeroritskogo horizon from northern Estonia and Leningrad Oblast. (In: Paleoflora and Stratigraphy of the Phanerozoic. M.A.Akhmetev, editor) |
1989 |
| details |
Tremadocian |
|
Algeria |
Deunff,J. Systematics of fossil microplankton, acritarchs; revision of two genera from the Lower Ordovician |
1964 |
| original |
Tremadocian |
|
Algeria |
Deunff,J. A microplankton of hystrichospheres in the Tremadocian of the Sahara. |
1961 |
| details |
Tremadocian |
|
Algeria |
Deunff,J. A microplankton of hystrichospheres in the Tremadocian of the Sahara. |
1961 |
| details |
Tremadocian |
Arenigian |
Romania |
Beju,D. Zoning and correlation of the Paleozoic of the Moesian Platform on the basis of palynoprotistological assemblages.1. |
1972 |
| details |
Tremadocian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| 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 |