| details |
Late Llandoverian |
Gedinnian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. |
1974 |
| details |
Nd |
|
Nd |
Eisenack,A. Contribution to acritarch research. |
1974 |
| details |
Gedinnian |
Late Llandoverian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. |
1974 |
| details |
Gedinnian |
Late Llandoverian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. |
1974 |
| details |
Nd |
Nd |
Nd |
Eisenack,A. Contribution to acritarch research. |
1974 |
| details |
Silurian |
|
Bolivia |
Volkheimer,W. et al. Stratigraphic significance of Paleozoic and Mesozoic microflora from Argentina and neighboring countries. |
1976 |
| details |
Middle Ludlovian |
|
Spain |
Lobato,L. et al. Description of the Carazo Formation in Palencia Province, Spain. Palynological age of the Lower Member-Middle or Upper Ludlovian. |
1977 |
| details |
Middle Ludlovian |
Middle Ludlovian |
Spain |
Lobato,L. et al. Description of the Carazo Formation in Palencia Province, Spain. Palynological age of the Lower Member-Middle or Upper Ludlovian. |
1977 |
| details |
Silurian |
|
Turkey |
Erkmen,U. Acritarch biofacies of Bedinan Formation in southeastern Anatolia and its paleogeographical interpretation. |
1978 |
| details |
Early Wenlockian |
|
USSR(Ukrainian SSR) |
Kiryanov,V.V. Silurian acritarchs of Volhynia and Podolia |
1978 |
| details |
Silurian |
Silurian |
Turkey |
Erkmen,U. Acritarch biofacies of Bedinan Formation in southeastern Anatolia and its paleogeographical interpretation. |
1978 |
| details |
Early Wenlockian |
Early Wenlockian |
USSR(Ukrainian SSR) |
Kiryanov,V.V. Silurian acritarchs of Volhynia and Podolia |
1978 |
| details |
Late Llandoverian |
Ludlovian |
Turkey |
Erkmen,U. et al. Acritarchs from the Dadas Formation in Southeast Turkey. |
1979 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Ludlovian |
Late Llandoverian |
Turkey |
Erkmen,U. et al. Acritarchs from the Dadas Formation in Southeast Turkey. |
1979 |
| details |
Late Ludlovian |
|
Guinea |
Baudelot,S. et al. Presence of microplankton from Upper Ludlovian in the locality of Tomboya, (Gunea) |
1980 |
| details |
Nd |
|
Nd |
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 |