| details |
Early Gothlandian |
Early Devonian |
New York |
Cramer,F.H. Palynologic microfossils of the Middle Silurian Maplewood Shale in New York. |
1968 |
| details |
Llandoverian |
Wenlockian |
Belgium |
Martin,F. The acritarchs from the Belgian Ordovician and Silurian. Determination and stratigraphic value. |
1968 |
| details |
Nd |
|
Nd |
Martin,F. The acritarchs from the Belgian Ordovician and Silurian. Determination and stratigraphic value. |
1968 |
| details |
Devonian |
|
Arabian Pen.States |
Hemer,D.O. Diagnostic palynological fossils from Arabian formations. |
1968 |
| details |
Late Llandoverian |
Early Gedinnian |
Spain |
Cramer,F.H. Consideration on the palynology and Silurian paleolatitudes based on microplankton of the Cantabrian Mountains of the Northwest of Spain. |
1969 |
| details |
Late Llandoverian |
Early Gedinnian |
Spain |
Cramer,F.H. Consideration on the palynology and Silurian paleolatitudes based on microplankton of the Cantabrian Mountains of the Northwest of Spain. |
1969 |
| details |
Early Gothlandian |
|
Pennsylvania |
Cramer,F.H. Possible implications for Silurian paleogeography from phytoplankton assemblages of the Rose Hill and Tuscarora Formations of Pennsylvania. |
1969 |
| details |
Early Devonian |
|
Uruguay |
Martinez-Macchiavello,J.C. Some acritarchs from a sample from the Lower Devonian (Cordobes) of Blanquillo, Department of Durazno, Uruguay |
1969 |
| original |
Ordovician |
|
Nd |
Gгrka,H. Microorganisms of the Ordovician of Poland. |
1969 |
| details |
Silurian |
|
France(Maine-et-Loire) |
Moreau-Benoit,A. Palynologic study of the Shale-Sand Formations associated with the Chalonnes Limestone of the Saint-Charles and Tarare Qarries at Chaudefonds (Maine-et-Loire). |
1969 |
| details |
Late Tarannon |
Early Wenlockian |
Belgium |
Martin,F. On the age of the shales of the Caledonian Belt of the Sambre-Meuse at Ombret. |
1969 |
| details |
Early Ashgillian |
|
Czechoslovakia |
KonzalovЎ-MazancovЎ,M. Acritarcha Evitt 1963 from the Lower Ashgill of Bohemia |
1969 |
| details |
Llandoverian |
|
Spain |
Casielles,J.M. et al. Discovery of chitinozoas and acritarchs in the Silurian Slates of Teverga (Asturias). |
1969 |
| details |
Late Llandoverian |
|
Canada(Nova Scotia) |
Cramer,F.H. Arcitarchs and chitinozoans from the Silurian Ross Brook Formation, Nova Scotia |
1970 |
| details |
Late Llandoverian |
|
Canada(Nova Scotia) |
Cramer,F.H. Arcitarchs and chitinozoans from the Silurian Ross Brook Formation, Nova Scotia |
1970 |
| details |
Late Llandoverian |
|
Canada(Nova Scotia) |
Cramer,F.H. Arcitarchs and chitinozoans from the Silurian Ross Brook Formation, Nova Scotia |
1970 |
| details |
Nd |
|
Nd |
Loeblich,A.R.III Morphology, ultrastructure and distribution of Paleozoic acritarchs. |
1970 |