| details |
Early Gedinnian |
|
Spain |
Cramer,F.H. A provisional note on the occurrence of microplankton and sporomorphs in the sedimentary rocks of the Lower Devonia in the Cantabrian Mountains |
1963 |
| details |
Siegenian |
Emsian |
Spain |
Cramer,F.H. A provisional note on the occurrence of microplankton and sporomorphs in the sedimentary rocks of the Lower Devonia in the Cantabrian Mountains |
1963 |
| 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 |
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 Devonian |
|
Spain |
Deunff,J. The acritarchs. 1.The genus Polyedryxium |
1971 |
| details |
Nd |
|
Nd |
Deunff,J. The acritarchs. 1.The genus Polyedryxium |
1971 |
| details |
Silurian |
|
USA |
Cramer,F.H. et al. North American Silurian palynofacies and their spatial arrangement. |
1972 |
| details |
Eltonian |
Early Leintwardinian |
England(Shropshire) |
Lister,T.R. et al. The stratigraphic distribution of the acritarchs in the Ludlow succession at Ludlow. |
1974 |
| details |
Givetian |
|
Canada(Saskatchewan) |
Nautiyal,A.C. Occurrence of microplanktons in the Middle Devonian rocks of Saskatchewan and Alberta, Canada. |
1975 |
| details |
Givetian |
|
Canada(Alberta) |
Nautiyal,A.C. Occurrence of microplanktons in the Middle Devonian rocks of Saskatchewan and Alberta, Canada. |
1975 |
| details |
Devonian |
|
Canada |
Nautiyal,A.C. The paleogeographic distribution of Devonian acritarchs and biofacies belts. |
1977 |
| details |
Frasnian |
|
Kentucky |
Martin,S.J. et al. A biostratigraphic analysis of core samples from wells drilled in the Devonian shale interval of the Appalachian and Illinois Basin |
1978 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Siegenian |
|
Belgium |
Vanguestaine,M. Reworked acritarchs in the Siegenian and Emsian (Lower Devonian), from Dinant Synclinorium, (Belgium). |
1979 |
| details |
Early Ludlovian |
|
Argentina(San Juan) |
PŠ¶the de Baldis,E.D. Paleomicroplankton and miospores of the Lower Ludlovian of the Los Espejos Formation in the cross section of Los Azuleitos, San Juan Province, Argentina. |
1981 |
| details |
Ludlovian |
|
England(Shropshire) |
Dorning,K.J. Silurian acritarchs from the type Wenlock and Ludlow of Shropshire, England. |
1981 |