| details |
Late Ludlovian |
|
USSR |
Sheshegova,L.I. Silurian microfossils of Podolia. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Early Ordovician |
Late Ordovician |
USSR(Russian Platform) |
Andreeva,E.M. Guide complexes of plant microfossils of the Upper Proterozoic and lower deposits of the Russian Platform. (In: Palynology, Method and Stratigraphy) |
1973 |
| details |
Cambrian |
|
Greenland |
Downie,C. Acritarchs from near the Precambrian-Cambrian boundary--A preliminary account. |
1974 |
| details |
Ludlovian |
|
USSR(Russian Platform) |
Sheshegova,L.I. Acritarchs of the Silurian and the Lower Devonian of Podolia. (In: Microfossils USSR. T.F.Vozzhennikova et al, editors) |
1974 |
| details |
Early Cambrian |
|
Greenland |
Downie,C. Intercontinental correlation of the Lower Cambrian based on acritarchs. |
1974 |
| details |
Arenigian |
|
USSR(Estonian SSR) |
Umnova,N.I. Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic |
1975 |
| details |
Ordovician |
Silurian |
Romania |
Nastaseanu,S. et al. Paleogeographic evolution of Carboniferous terrains. General summary of the Paleozoic of Rumania. |
1975 |
| details |
Ludlovian |
|
USSR(Belorussian SSR) |
Golubtsov,V.K. Stratigraphic and paleontological research in Byelorussia. |
1978 |
| details |
Ludlovian |
|
USSR(Siberia) |
Sheshegova,L.I. Comparison of a Silurian acritarch complex and lithogenesis. (In: The Fauna and Biostratigraphy of Upper Ordovician and Silurian of the Altai-Sajan Region) |
1978 |
| details |
Late Llandoverian |
Wenlockian |
USSR(Ukrainian SSR) |
Kiryanov,V.V. Silurian acritarchs of Volhynia and Podolia |
1978 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Ordovician |
Silurian |
Czechoslovakia |
SnopkovЎ,P. et al. Biostratigraphy of the Gelnica Group in the Spissko-Gemerski Rudohoris (Mountains), based on palynological data. |
1979 |
| details |
Ordovician |
Silurian |
Czechoslovakia |
SnopkovЎ,P. et al. Biostratigraphy of the Gelnica Group in the Spissko-Gemerski Rudohoris (Mountains), based on palynological data. |
1979 |
| details |
Ordovician |
|
Bulgaria |
Sergeeva,L.A. et al. On the Paleozoic age of the metamorphic rocks in Stradza |
1979 |
| details |
Late Gothlandian |
|
Czechoslovakia |
SnopkovЎ,P. et al. Silurian age of Phyllites from borehole Stara Voda-Sv1 |
1981 |
| details |
Late Wenlockian |
|
USSR(Kazakh SSR) |
Grishina,T.S. et al. Acritarchs from the Cyrtograptus Lundgreni zone of the Zaisan Folded system |
1981 |
| details |
Early Ordovician |
|
China(Hopei) |
Li,Z.P. Acritarchs from the Upper Machiakou Formation of North China and its geological age. |
1982 |