| original |
Emsian |
|
Algeria |
Jardin©,S. et al. Acritarchs of Late Silurian-Devonian of Algerian Sahara. |
1972 |
| original |
Emsian |
Eifelian |
Algeria |
Jardin©,S. Microplankton (Acritarchs), and the stratigraphic limits of the Upper Silurian to Upper Devonian. |
1972 |
| original |
Emsian |
|
Africa |
Jardin©,S. et al. Fossil organic microplankton |
1972 |
| details |
Emsian |
|
Algeria |
Jardin©,S. et al. Stratigraphic distribution of acritarchs in the Palaeozoic of the Algerian Sahara. |
1974 |
| details |
Frasnian |
|
Brazil(Pernambuco) |
Brito,I.M. Contribution to the knowledge of Devonian microfossils of Pernambuco Iii-Some acritarcha in Common with the Sahara Devnian. |
1976 |
| details |
Emsian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |