| original |
Ludlovian |
Emsian |
Spain |
Cramer,F.H. Microplankton from three Palaeozoic formations in the Province of Leon, northwest Spain. |
1964 |
| details |
Ludlovian |
Early Gedinnian |
Spain |
Cramer,F.H. Palynology of Silurian and Devonian rocks in northwest Spain. |
1966 |
| details |
Middle Gothlandian |
Late Gothlandian |
Spain |
Cramer,F.H. et al. Taxonomic considerations on the acritarchs of the Middle and Upper Silurian of northern Spain. |
1968 |
| details |
Siegenian |
|
Spain |
Cramer,F.H. et al. Taxonomic considerations on the acritarchs of the Middle and Upper Silurian of northern Spain. |
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 |
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 |
Tarannon |
|
Alabama |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Middle Gothlandian |
Late Gothlandian |
Florida |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Early Llandoverian |
Gedinnian |
Spain |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Late Wenlockian |
Emsian |
Spain |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Late Llandoverian |
|
Spain |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Silurian |
|
USA |
Cramer,F.H. et al. North American Silurian palynofacies and their spatial arrangement. |
1972 |
| details |
Late Wenlockian |
|
USSR(Estonian SSR) |
Umnova,N.I. Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic |
1975 |
| details |
Ludlovian |
|
USSR(Estonian SSR) |
Aristova,K.E. et al. Microfossils of stratigraphic type sections from the Upper Silurian of Estonia. |
1976 |
| details |
Late Emsian |
|
Spain |
Cramer,F.H. et al. Acritarchs from the La Vid Shales (Emsian to Lower Couvinian) at Colle, Leon, Spain. |
1976 |
| details |
Couvinian |
|
Spain |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| details |
Late Wenlockian |
Emsian |
Spain |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |