| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Frasnian |
Late Famennian |
Algeria |
Downie,C. Devonian acritarchs. (In: The Devonian System. M.R. House et al, editors) |
1979 |
| details |
Emsian |
Famennian |
USA |
Wood,G.D. The paleogeographic, paleoecologic and stratigraphic significance of acritarchs Umbellasphaeridium saharicum and Umbellasphaeridium deflandrei |
1979 |
| details |
Emsian |
Famennian |
Peru |
Wood,G.D. The paleogeographic, paleoecologic and stratigraphic significance of acritarchs Umbellasphaeridium saharicum and Umbellasphaeridium deflandrei |
1979 |
| details |
Emsian |
Famennian |
Africa |
Wood,G.D. The paleogeographic, paleoecologic and stratigraphic significance of acritarchs Umbellasphaeridium saharicum and Umbellasphaeridium deflandrei |
1979 |
| details |
Late Famennian |
Strunian |
Algeria |
Attar,A. et al. Palynological study of Upper Devonian and Lower Carboniferous d'Illizi Basin (Fort Polignac), Algeria. |
1980 |
| details |
Tournaisian |
Visean |
Bolivia |
Castanos,A. et al. Upper Paleozoic of Bolivia |
1980 |
| details |
Frasnian |
Famennian |
Brazil(Piaui) |
de Quadros,L.P. Biostratigraphic distribution of chitinozoa and acritarchs of the Parnaiba Basin |
1982 |
| details |
Famennian |
|
Bolivia |
Suarez-Soruco,R. et al. The Eo-Hercynian compression stage in the eastern part of the Cordillerana Basin of Bolivia. |
1983 |
| details |
Strunian |
|
Libya |
Moreau-Benoit,A. Middle and Upper Devonian acritarchs and chitinozoans from Western Libya. |
1984 |
| details |
Tournaisian |
|
Ohio |
Molyneux,S.G. et al. Preliminary accounts of Late Devonian palynomorph assemblages from the Bedford Shale and Berea Sandstone Formations of Central Ohio, USA. |
1984 |
| details |
Frasnian |
|
Peru |
Wood,G.D. A stratigraphic, paleoecologic and paleobiogeographic review of the acritarchs Umbellasphaeridium deflandrei and Umbellasphaeridium saharicum. (In: Biostratigraphy. P.K.Sutherland and W.L.Manger, editors) |
1984 |
| details |
Famennian |
|
Ohio |
Wood,G.D. A stratigraphic, paleoecologic and paleobiogeographic review of the acritarchs Umbellasphaeridium deflandrei and Umbellasphaeridium saharicum. (In: Biostratigraphy. P.K.Sutherland and W.L.Manger, editors) |
1984 |
| details |
Tournaisian |
|
Canada(Ontario) |
Wood,G.D. A stratigraphic, paleoecologic and paleobiogeographic review of the acritarchs Umbellasphaeridium deflandrei and Umbellasphaeridium saharicum. (In: Biostratigraphy. P.K.Sutherland and W.L.Manger, editors) |
1984 |
| details |
Frasnian |
Strunian |
Brazil(Maranhao) |
Brito,I.M. et al. New occurrences of acritarchs in the Devonian of the Parnaiba Basin. (In: Paleobotanica e Palinologia na America do Sul; 1983) |
1984 |
| details |
Late Famennian |
Strunian |
Libya |
Massa,D. et al. Contribution to the biostratigraphy and paleogeography of the Libyan Devonian, (South of Rhodames Basin) by new palynological data. |
1985 |
| details |
Late Devonian |
Early Carboniferous |
Bolivia |
Rocha-Campos,A.C. et al. Biostratigraphy and correlations. (In: The Carboniferous of the World II. Australia, Indian Subcontinent, South Africa, South America and North Africa. C. Martnez Daz et al, editors) |
1985 |