| details |
Early Cambrian |
|
USSR(Irkutskaya Oblast) |
Fayzulina,Z.Kh. et al. Microfossils from the Lower Cambrian deposits of the Irkutsk Amphitheatre. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Early Devonian |
Middle Devonian |
USSR(Georgian SSR) |
Abesadze,M. et al. New data on age of metamorphosed Schists of Dzirulj Massif |
1980 |
| details |
Rhaetian |
Hettangian |
USSR(Georgian SSR) |
Adamiya,S.A. et al. The Rhaetian-Hettangian deposits of the Diza Group in Svanetia (Greater Caucasus) |
1990 |
| details |
Late Cambrian |
|
USSR(Estonian SSR) |
Volkova,N.A. et al. New data on Cambrian-Ordovician transitional Beds in the eastern part of the East Baltic. |
1981 |
| details |
Cambrian |
Tremadocian |
USSR(Estonian SSR) |
Volkova,N.A. The age of the Ulgazek Series at the Cambrian - Ordovician contact in Estonia. |
1982 |
| details |
Late Cambrian |
|
USSR(Estonian SSR) |
Volkova,N.A. et al. Distribution of acritarchs in the Cambrian - Ordovician boundary Beds of the Suhkrumagi section (North Estonia). |
1988 |
| details |
Late Cambrian |
|
USSR(Estonian SSR) |
Mens,K.A. et al. Cambrian-Ordovician boundary Beds at Maekalda, Tallinn, North Estonia. |
1989 |
| details |
Tremadocian |
|
USSR(Estonian SSR) |
Aristova,K.E. Assemblages of microplant fossils of Lower and Middle Ordovician type sections of Estonia |
1976 |
| details |
Late Cambrian |
|
USSR(Estonian SSR) |
Volkova,N.A. Acritarchs of the Desposits of the Cambrian-Ordovician boundary northern Estonia |
1989 |
| details |
Silurian |
|
USSR(Buryat ASSR) |
Butov,Y.P. Certain problems of Pre-Mesozoic stratigraphy of the Sayan-Baikal Mountain Area. 1: Crysis of traditional stratigraphy. |
1985 |
| details |
Ordovician |
|
USSR(Buryat ASSR) |
Butov,Y.P. Some problems of Pre-Mesozoic stratigraphy of Savan-Baikal Mountain Region. 2. New data on the age of Pre-Mesozoic deposits. |
1986 |
| details |
Llandoverian |
|
USSR(Belorussian SSR) |
Golubtsov,V.K. Stratigraphic and paleontological research in Byelorussia. |
1978 |
| details |
Ludlovian |
Downtonian |
USSR(Belorussian SSR) |
Golubtsov,V.K. Stratigraphic and paleontological research in Byelorussia. |
1978 |
| details |
Early Devonian |
|
USSR(Belorussian SSR) |
Golubtsov,V.K. Stratigraphic and paleontological research in Byelorussia. |
1978 |
| details |
Llandoverian |
|
USSR(Belorussian SSR) |
Piskun,L.V. Palaeontologic characteristics of Silurian deposits of the Brest Depression. (In: Microfossils USSR. T.F.Vozzhennikova et al, editors) |
1974 |
| details |
Late Gothlandian |
|
USSR(Belorussian SSR) |
Piskun,L.V. Palaeontologic characteristics of Silurian deposits of the Brest Depression. (In: Microfossils USSR. T.F.Vozzhennikova et al, editors) |
1974 |
| details |
Late Gothlandian |
|
USSR(Baltic) |
Yankauskas,T.V. et al. Silurian acritarcha from the Baltic Arca |
1972 |