| details |
Llandoverian |
Gedinnian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. 2: Index to Parts 1 and 2. |
1977 |
| 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 |
Middle Wenlockian |
Early Gedinnian |
Spain |
Cramer,F.H. Palynology of Silurian and Devonian rocks in northwest Spain. |
1966 |
| details |
Late Ludlovian |
Early Gedinnian |
Spain |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| 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 |
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 |
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 |
| original |
Silurian |
|
Libya |
Combaz,A. On a new type of fossil cenobial microplankton of the Gothlandian of Libya. |
1962 |
| details |
Ludlovian |
|
Spain |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Silurian |
|
Libya |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Late Gothlandian |
|
Turkey |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Ludlovian |
|
Florida |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Silurian |
|
USA(Eastern) |
Cramer,F.H. et al. North American Silurian palynofacies and their spatial arrangement. |
1972 |
| details |
Wenlockian |
|
Portuguese Guinea |
Cramer,F.H. et al. Subsurface section from Portuguese Guinea dated by palynomorphs as Middle Silurian. |
1972 |
| details |
Late Gothlandian |
|
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 |
Wenlockian |
|
Portuguese Guinea |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |