| details |
Late Siegenian |
Emsian |
Spain |
Cramer,F.H. Microplankton from three Palaeozoic formations in the Province of Leon, northwest Spain. |
1964 |
| original |
Emsian |
|
Spain |
Cramer,F.H. Microplankton from three Palaeozoic formations in the Province of Leon, northwest Spain. |
1964 |
| details |
Middle Emsian |
Late Emsian |
Spain |
Cramer,F.H. Palynology of Silurian and Devonian rocks in northwest Spain. |
1966 |
| details |
Early Devonian |
|
Brazil(Maranhao) |
El-Arnauti,A. et al. Contribution to the study of microfossils from the Silurian and Devonian form the Maranhao Basin. II. Acritarch, Polygonomorphites and Pteromorphitae. |
1966 |
| details |
Early Gothlandian |
Early Devonian |
Brazil(Maranhao) |
Brito,I.M. A new subgroup of acritarcha from the Devonian of Maranhao. |
1967 |
| details |
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 |
Middle Llandoverian |
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 |
Early Gothlandian |
Early Devonian |
Brazil(Maranhao) |
Brito,I.M. Silurian and Devonian acritarcha from Maranhao Basin, Brazil |
1967 |
| details |
Early Devonian |
|
Brazil |
Brito,I.M. The acritarchs |
1967 |
| details |
Early Devonian |
|
Spain |
Brito,I.M. The acritarchs |
1967 |
| details |
Ludlovian |
|
Algeria |
Jardin©,S. et al. Lithostratigraphy and palynology of the Sandy Devonian-Gothlandian of the Polignac Basin (Sahara). |
1968 |
| details |
Gedinnian |
|
Algeria |
Jardin©,S. et al. Lithostratigraphy and palynology of the Sandy Devonian-Gothlandian of the Polignac Basin (Sahara). |
1968 |
| details |
Emsian |
|
Algeria |
Jardin©,S. et al. Lithostratigraphy and palynology of the Sandy Devonian-Gothlandian of the Polignac Basin (Sahara). |
1968 |
| details |
Emsian |
|
Spain |
Brito,I.M. One new super-group of acritarch. |
1969 |
| details |
Emsian |
Eifelian |
Brazil(Maranhao) |
Brito,I.M. One new super-group of acritarch. |
1969 |
| details |
Silurian |
Devonian |
Tunisia |
Brito,I.M. One new super-group of acritarch. |
1969 |
| details |
Devonian |
|
Sweden |
Brito,I.M. One new super-group of acritarch. |
1969 |