| details |
Devonian |
|
South America |
Nautiyal,A.C. The paleogeographic distribution of Devonian acritarchs and biofacies belts. |
1977 |
| details |
Gedinnian |
Strunian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. 2: Index to Parts 1 and 2. |
1977 |
| details |
Caradocian |
Emsian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. 2: Index to Parts 1 and 2. |
1977 |
| details |
Famennian |
|
Paraguay |
Pжthe de Baldis,E.D. Acritarchs and chitinozoans from the Late Devonian of Paraguay. |
1978 |
| details |
Early Llanvirnian |
|
Czechoslovakia |
VavrdovЎ,M. Nethromorphitae and some other acritarchs from the Bohemian Lower Ordovician |
1978 |
| details |
Eifelian |
Givetian |
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 |
Middle Devonian |
|
Brazil |
Brito,I.M. Stratigraphy of the Parnaiba Basin I. Lower sedimentary sequence |
1979 |
| details |
Early Devonian |
|
Brazil |
Brito,I.M. Stratigraphy of the Parnaiba Basin I. Lower sedimentary sequence |
1979 |
| details |
Early Devonian |
|
Brazil(Maranhao) |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Vol.5 Acritarcha. |
1979 |
| details |
Late Ordovician |
Early Gothlandian |
Ghana |
Bar,P. et al. Latest Ordovician to Earliest Silurian microfloras from the Lower Sekondian Series of Ghana, (West Africa), and their relationship to those from the Itaim Formation of the Maranhao Basin in Northeast Brazil. |
1980 |
| details |
Givetian |
|
Ohio |
Wicander,R. et al. Systematics and biostratigraphy of the organic-walled microphytoplankton from the Middle Devonian, (Givetian), Silica Formation, Ohio, USA. |
1981 |
| details |
Caradocian |
Ashgillian |
Canada(Newfoundland) |
Legault,J.A. First report of Ordovician, (Caradoc-Ashgill) palynomorphs from Orphan Knoll, Labrador Sea. |
1982 |
| details |
Emsian |
Strunian |
Brazil(Piaui) |
de Quadros,L.P. Biostratigraphic distribution of chitinozoa and acritarchs of the Parnaiba Basin |
1982 |
| details |
Emsian |
Early Eifelian |
Bolivia |
Suarez-Soruco,R. et al. The Eo-Hercynian compression stage in the eastern part of the Cordillerana Basin of Bolivia. |
1983 |