| details |
Maastrichtian |
|
Texas |
Zaitzeff,J.B. Taxonomic and stratigraphic significance of dinoflagellates and acritarchs of the Navarro Group, (Maestrichtian), from eastcentral and southwest Texas. |
1967 |
| details |
Cenomanian |
|
France(Pas-de-Calais) |
Sarjeant,W.A.S. Observations on the acritarch genus Micrhystridium, (Deflandre). |
1967 |
| details |
Llandoverian |
|
New York |
Deunff,J. et al. Tunisphaeridium, a new acritarch genus from the Silurian and Devonian. |
1968 |
| details |
Llandoverian |
|
Algeria |
Jardin©,S. et al. Lithostratigraphy and palynology of the Sandy Devonian-Gothlandian of the Polignac Basin (Sahara). |
1968 |
| details |
Ludlovian |
|
Algeria |
Jardin©,S. et al. Lithostratigraphy and palynology of the Sandy Devonian-Gothlandian of the Polignac Basin (Sahara). |
1968 |
| details |
Gedinnian |
|
Algeria |
Jardin©,S. et al. Lithostratigraphy and palynology of the Sandy Devonian-Gothlandian of the Polignac Basin (Sahara). |
1968 |
| details |
Llandoverian |
|
Alabama |
Cramer,F.H. Paleographic considerations with regard to a microplanctonic association of the Gothlandian series of Birmingham, (Alabma, USA) |
1968 |
| details |
Ordovician |
Late Devonian |
New York |
Cramer,F.H. Palynologic microfossils of the Middle Silurian Maplewood Shale in New York. |
1968 |
| details |
Late Devonian |
|
Belgium |
Martin,F. The acritarchs from the Belgian Ordovician and Silurian. Determination and stratigraphic value. |
1968 |
| details |
Ordovician |
Tarannon |
Belgium |
Martin,F. The acritarchs from the Belgian Ordovician and Silurian. Determination and stratigraphic value. |
1968 |
| details |
Silurian |
Late Devonian |
France(Normandie) |
Rauscher,R. et al. Palynologic-Planktonic study in the Sainte-Mere-Eglise Basin (Normandy).1.Acritarchs. |
1968 |
| details |
Early Famennian |
|
Belgium |
Stockmans,F. et al. Acritarchs of the Lower Famennian. |
1969 |
| details |
Ordovician |
|
Bulgaria |
Kalvacheva,R.K. Acritarchs from the Tseretsel Formation (Ordovician) |
1969 |
| details |
Late Ordovician |
|
Bulgaria |
Kalvacheva,R.K. Acritarchs from the Tseretsel Formation (Ordovician) |
1969 |
| details |
Late Eifelian |
Givetian |
Spain |
Cramer,F.H. Plant spores from the Eifelian to Givetian Gosseletia Sandstone Formation near Canadas, Asturias, Spain. |
1969 |
| details |
Ypresian |
|
Belgium |
De Coninck,J. Dinophyceae and acritarcha from the Ypresian of the Kallo Boring. |
1969 |
| details |
Early Ashgillian |
|
Czechoslovakia |
KonzalovЎ-MazancovЎ,M. Acritarcha Evitt 1963 from the Lower Ashgill of Bohemia |
1969 |