| details |
Silurian |
|
Nd |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Early Devonian |
|
Canada(Ontario) |
Deunff,J. The acritarchs. 1.The genus Polyedryxium |
1971 |
| details |
Nd |
|
Tunisia |
Deunff,J. The acritarchs. 1.The genus Polyedryxium |
1971 |
| details |
Nd |
|
Canada(Ontario) |
Deunff,J. The acritarchs. 1.The genus Polyedryxium |
1971 |
| details |
Nd |
|
Ohio |
Deunff,J. The acritarchs. 1.The genus Polyedryxium |
1971 |
| details |
Emsian |
Frasnian |
Algeria |
Jardin©,S. et al. Acritarchs of Late Silurian-Devonian of Algerian Sahara. |
1972 |
| details |
Nd |
|
Nd |
Jardin©,S. et al. Acritarchs of Late Silurian-Devonian of Algerian Sahara. |
1972 |
| details |
Emsian |
Frasnian |
Algeria |
Jardin©,S. et al. Acritarchs of Late Silurian-Devonian of Algerian Sahara. |
1972 |
| details |
Emsian |
Frasnian |
Algeria |
Jardin©,S. et al. Acritarchs of Late Silurian-Devonian of Algerian Sahara. |
1972 |
| details |
Devonian |
|
North America |
Nautiyal,A.C. Devonian acritarch distribution and paleolatitudes. |
1976 |
| details |
Devonian |
|
North America |
Nautiyal,A.C. Devonian acritarch distribution and paleolatitudes. |
1976 |
| details |
Devonian |
|
Europe |
Nautiyal,A.C. Devonian acritarch distribution and paleolatitudes. |
1976 |
| details |
Devonian |
|
Africa |
Nautiyal,A.C. Devonian acritarch distribution and paleolatitudes. |
1976 |
| details |
Devonian |
|
Africa |
Nautiyal,A.C. Devonian acritarch distribution and paleolatitudes. |
1976 |
| details |
Devonian |
|
Canada |
Nautiyal,A.C. The paleogeographic distribution of Devonian acritarchs and biofacies belts. |
1977 |
| details |
Devonian |
|
North America |
Nautiyal,A.C. The paleogeographic distribution of Devonian acritarchs and biofacies belts. |
1977 |
| details |
Devonian |
|
North America |
Nautiyal,A.C. The paleogeographic distribution of Devonian acritarchs and biofacies belts. |
1977 |