original |
Ludlovian |
|
Spain |
Cramer,F.H. Microplankton from three Palaeozoic formations in the Province of Leon, northwest Spain. |
1964 |
details |
Silurian |
Devonian |
Spain |
Cramer,F.H. Additional morphographic information on some characteristic acritarchs of the San Pedro and Furada Formations (Siluria-Devonian boundary) in Leon and Asturias, Spain. |
1966 |
details |
Silurian |
Devonian |
Spain |
Cramer,F.H. Palynology of Silurian and Devonian rocks in northwest Spain. |
1966 |
details |
Late Ludlovian |
Early Gedinnian |
Spain |
Cramer,F.H. Palynology of Silurian and Devonian rocks in northwest Spain. |
1966 |
details |
Tarannon |
|
Belgium |
Martin,F. Acritarchs from the Park at Neuville-Sous-Huy (Belgian Silurian) |
1966 |
details |
Emsian |
|
France(Rhone) |
Moreau-Benoit,A. Some microplankton of the Lower Devonian of Anjou. |
1967 |
original |
Late Budnanian |
Lochkovian |
Algeria |
Magloire,L. Stratigraphical study by means of palynology of Silurian and Lower Devonian clay-sand deposits in the Wester Great Erg (Agerian Sahara). |
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 |
Ludlovian |
Gedinnian |
Algeria |
JardinĀ©,S. et al. Lithostratigraphy and palynology of the Sandy Devonian-Gothlandian of the Polignac Basin (Sahara). |
1968 |
details |
Gedinnian |
|
Algeria |
JardinĀ©,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 |
Llandoverian |
|
Alabama |
Cramer,F.H. Paleographic considerations with regard to a microplanctonic association of the Gothlandian series of Birmingham, (Alabma, USA) |
1968 |
details |
Early Gothlandian |
Early Devonian |
New York |
Cramer,F.H. Palynologic microfossils of the Middle Silurian Maplewood Shale in New York. |
1968 |
details |
Tarannon |
|
Belgium |
Martin,F. The acritarchs from the Belgian Ordovician and Silurian. Determination and stratigraphic value. |
1968 |
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 |
details |
Ludlovian |
|
France |
Paris,F. et al. Discovery of a rich microbiota of acritarchs and chitinozoans in the formations of the Median Syncline (Armoricain Massive, environs of Saint-Medard-sur-Ille). Presence of spores and scolecodonts. |
1969 |
details |
Ludlovian |
|
France |
Paris,F. et al. Discovery of a rich microbiota of acritarchs and chitinozoans in the formations of the Median Syncline (Armoricain Massive, environs of Saint-Medard-sur-Ille). Presence of spores and scolecodonts. |
1969 |