| details |
Early Givetian |
|
Canada(Alberta) |
Nautiyal,A.C. Occurrence of microplanktons in the Middle Devonian rocks of Saskatchewan and Alberta, Canada. |
1975 |
| details |
Llandoverian |
|
USSR(Tuvinskaya A.O.) |
Sheshegova,L.I. Phytoplankton of the Silurian from the Tuva, (the section of the "Elegest"). |
1975 |
| details |
Wenlockian |
|
USSR(Tuvinskaya A.O.) |
Sheshegova,L.I. Phytoplankton of the Silurian from the Tuva, (the section of the "Elegest"). |
1975 |
| details |
Wenlockian |
|
USSR(Tuvinskaya A.O.) |
Sheshegova,L.I. Phytoplankton of the Silurian from the Tuva, (the section of the "Elegest"). |
1975 |
| details |
Hettangian |
|
N.Ireland(Antrim) |
Manning,P.I. et al. The stratigraphy of the Larne borehole, County Antrim. |
1975 |
| details |
Late Ludlovian |
Early Gedinnian |
Spain |
Diez,M.D.C.R. et al. Acritarchs and miospores from the Ludlovian of Corniero, Leon, Spain. |
1976 |
| details |
Silurian |
|
Romania |
Nastaseanu,S. The Retezat Conglomerates, a stratigraphic Mark in the correlation of the Paleozoic Formations in the eastern part of the South Carpathians |
1976 |
| details |
Middle Ordovician |
Devonian |
Romania |
Maier,O.W. et al. Age of Crystalline Schist Formations of the Locva Mountains. |
1976 |
| details |
Ludlovian |
|
Romania |
Iliescu,V. et al. Specification of the Silurian age of the Repedea series S.S. of the Rodna Mountains (East Carpathians) relying on palynological data |
1976 |
| details |
Tremadocian |
|
USSR(Estonian SSR) |
Aristova,K.E. Assemblages of microplant fossils of Lower and Middle Ordovician type sections of Estonia |
1976 |
| details |
Silurian |
Devonian |
France(Finistere) |
Deunff,J. et al. On the presence of a rich Silurian-Devonian microplankton acritarchs spores and chitinozoans at the top of the shales and quartzites of Plougastel, Brest-Finistere Basin. |
1976 |
| details |
Tremadocian |
|
Baltic |
Yankauskas,T.V. Revision of the age of the "Cambro-Ordoviciennes" formations of the Baltic Region by micropaleontological analysis. (Acritarchs and chitinozoes) |
1976 |
| details |
Middle Ludlovian |
|
Argentina |
Volkheimer,W. et al. Stratigraphic significance of Paleozoic and Mesozoic microflora from Argentina and neighboring countries. |
1976 |
| details |
Ludlovian |
|
Argentina(Chaco) |
Volkheimer,W. et al. Stratigraphic significance of Paleozoic and Mesozoic microflora from Argentina and neighboring countries. |
1976 |
| details |
Early Pliensbachian |
|
England |
Warrington,G. et al. Micropalaeontological biostratigraphy of offshore samples from South-West Britain. |
1977 |
| details |
Ashgillian |
|
Bulgaria |
Kalvacheva,R.K. Acritarch stratigraphy of Lower Paleozoic formations in the West Balkan Mountains, Bulgaria. |
1978 |
| details |
Early Silurian |
|
Alabama |
Chaiffetz,M.S. Preservational effects of pyrite crystals on chitinozoans from the Lower Silurian Red Mountain Formation, northeast Alabama, USA. |
1978 |