| details |
Middle Devonian |
|
Paraguay |
Men©ndez,C.A. et al. Devonian spores from Paraguay. |
1967 |
| details |
Early Devonian |
|
Romania |
Beju,D. Some spores, acritarchs and chitinozoans of Lower Devonian age of the Moesian Platform (Rumania) |
1967 |
| details |
Middle Frasnian |
|
Belgium |
Dricot,E.M. Evolution and paleogeographic distribution of microplankton (Acritarchs) in the Frasnian of Belgium. |
1967 |
| details |
Silurian |
Devonian |
Africa(Sahara) |
Deflandre,G. On the preservation of pyritized remains of Deflandastrum, (Chlorophyceae), and on a curious new form from the Siluro-Devonan of North Africa. |
1967 |
| details |
Early Cambrian |
|
Poland |
Wazynska,H. Preliminary microfloristic examinations of the Sinian and Cambrian deposits from the Bialowieza area |
1967 |
| details |
Cambrian |
|
Poland |
Wazynska,H. Preliminary microfloristic examinations of the Sinian and Cambrian deposits from the Bialowieza area |
1967 |
| details |
Ludlovian |
|
Spain |
Cramer,F.H. et al. Taxonomic considerations on the acritarchs of the Middle and Upper Silurian of northern Spain. |
1968 |
| details |
Early Cambrian |
|
USSR(Estonian SSR) |
Volkova,N.A. Acritarchs of the Precambrian and Lower Cambrian deposits of Estonia. (In: Problems related to the boundary layers of the Riphean and Cambrian of the Russian Platform, the Urals and Kazakhstan -By-N.A.Volkova et al) |
1968 |
| details |
Early Tertiary |
|
New Zealand(S.I.) |
Wilson,G.J. Palynology of some Lower Tertiary Coal Measures in the Waihao District, South Canterbury New Zealand. |
1968 |
| details |
Early Muschelkalk |
|
Netherlands |
Visscher,H. et al. Middle Triassic pollen and spores from the Lower Muschelkalk of Winterswijk (The Netherlands) |
1968 |
| details |
Early Muschelkalk |
|
Netherlands |
Visscher,H. et al. Middle Triassic pollen and spores from the Lower Muschelkalk of Winterswijk (The Netherlands) |
1968 |
| details |
Early Muschelkalk |
|
Netherlands |
Visscher,H. et al. Middle Triassic pollen and spores from the Lower Muschelkalk of Winterswijk (The Netherlands) |
1968 |
| details |
Early Ordovician |
|
Sweden |
Eisenack,A. On the reproduction of Palaeozoic hystrichospheres. |
1968 |
| details |
Caradocian |
|
England(Kent) |
Lister,T.R. et al. The Basement Beds of the Bobbing borehole, Kent. |
1969 |
| details |
Early Famennian |
|
Belgium |
Stockmans,F. et al. Acritarchs of the Lower Famennian. |
1969 |
| details |
Early Cambrian |
|
USSR(Russian Platform) |
Volkova,N.A. Acritarchs of the Northwestern Russian Platform. (In:Tommotsk age and problems of the Lower Cambrian) |
1969 |
| details |
Ludlovian |
|
Spain |
Cramer,F.H. Consideration on the palynology and Silurian paleolatitudes based on microplankton of the Cantabrian Mountains of the Northwest of Spain. |
1969 |