| details |
Late Devonian |
|
Canada(Ontario) |
Deunff,J. Presence of acritarchs in a Devonian series of Lake Huron, (Canada). |
1967 |
| details |
Late Devonian |
Early Mississippian |
Venezuela |
Stover,L.E. Palynological dating of the Carrizal Formation of eastern Venezuela |
1967 |
| details |
Late Devonian |
Early Mississippian |
Venezuela |
Stover,L.E. Palynological dating of the Carrizal Formation of eastern Venezuela |
1967 |
| details |
Late Tithonian |
Aptian |
California |
Warren,J.S. Dinoflagellates and acritarchs from the Upper Jurassic and Lower Cretaceous rocks on the west side of the Sacramento Valley, California. |
1967 |
| details |
Middle Frasnian |
|
Belgium |
Dricot,E.M. Evolution and paleogeographic distribution of microplankton (Acritarchs) in the Frasnian of Belgium. |
1967 |
| details |
Cambrian |
|
Poland |
Wazynska,H. Preliminary microfloristic examinations of the Sinian and Cambrian deposits from the Bialowieza area |
1967 |
| details |
Hettangian |
|
France(Cote d'Or) |
Lesage,M.T. Palynological study of the Infra-Liassic on the Morvan Margin and comparison with other boundaries of the Central Massive |
1968 |
| original |
Late Emsian |
|
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 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 |
Cenomanian |
|
Atlantic Ocean |
Habib,D. Spores, pollen, and microplankton from the horizon Beta outcrop. |
1968 |
| details |
Aptian |
Albian |
Atlantic Ocean |
Habib,D. Spores, pollen, and microplankton from the horizon Beta outcrop. |
1968 |
| details |
Early Muschelkalk |
|
Netherlands |
Visscher,H. et al. Middle Triassic pollen and spores from the Lower Muschelkalk of Winterswijk (The Netherlands) |
1968 |
| details |
Middle Cambrian |
|
Czechoslovakia |
Slavikova,K. New finds of acritarchs in the Middle Cambrian of the Barrandian, (Czechoslovakia). |
1968 |
| details |
Caradocian |
|
England(Kent) |
Lister,T.R. et al. The Basement Beds of the Bobbing borehole, Kent. |
1969 |
| original |
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 |
| original |
Middle Gothlandian |
|
Ohio |
Cramer,F.H. Consideration on the palynology and Silurian paleolatitudes based on microplankton of the Cantabrian Mountains of the Northwest of Spain. |
1969 |