| details |
Early Cambrian |
Middle Cambrian |
USSR(Latvian SSR) |
Brangulis,A.P. et al. The history of stratigraphic studies of the Cambrian deposits of Latvia. (In: Ocherki Geologii Latvii. A.P. Brangulis, editor) |
1978 |
| details |
Middle Cambrian |
|
USSR(Latvian SSR) |
Brangulis,A.P. et al. The history of stratigraphic studies of the Cambrian deposits of Latvia. (In: Ocherki Geologii Latvii. A.P. Brangulis, editor) |
1978 |
| details |
Early Cambrian |
Middle Cambrian |
USSR(Latvian SSR) |
Birkis,A.P. et al. New data on the Cambrian stratigraphy of Western Latvia |
1970 |
| details |
Ordovician |
|
USSR(Latvian SSR) |
Bagdasaryan,L.L. Results of micropalaeophytological investigations of oils and stratum waters. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Late Llandoverian |
|
USSR(Krasnoyarsk Kray) |
Sheshegova,L.I. The acritarchs of the Silurian of the northern Siberian Platform |
1984 |
| details |
Late Llandoverian |
|
USSR(Krasnoyarsk Kray) |
Sheshegova,L.I. The acritarchs of the Silurian of the northern Siberian Platform |
1984 |
| details |
Ludlovian |
|
USSR(Krasnoyarsk Kray) |
Sheshegova,L.I. The acritarchs of the Silurian of the northern Siberian Platform |
1984 |
| details |
Ludlovian |
|
USSR(Krasnoyarsk Kray) |
Sheshegova,L.I. The acritarchs of the Silurian of the northern Siberian Platform |
1984 |
| details |
Ludlovian |
|
USSR(Krasnoyarsk Kray) |
Sheshegova,L.I. The acritarchs of the Silurian of the northern Siberian Platform |
1984 |
| details |
Ordovician |
|
USSR(Krasnoyarsk Kray) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Early Aptian |
|
USSR(Krasnodar Kray) |
Davey,R.J. Preliminary study of the Lower Cretaceous and Middle Jurassic palynology of the Gelendzhik region, Caucasus, Russia. |
1994 |
| details |
Aptian |
|
USSR(Kazakh SSR) |
Fedorova-Shakhmundes,V.A. Aptian oryctocoenosis of unicellular planctonic algae of northern Pre-Caspian and their facial characteristics. (In: Ecostratigraphy and Ecological Systems of the Geological Past.) |
1980 |
| details |
Aptian |
|
USSR(Kazakh SSR) |
Fedorova,V.A. The role of organic microphyloplancton in correlating separate sections (On first studies of Apt deposits of northern Pre-Caspian). (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
| details |
Late Aptian |
|
USSR(Kazakh SSR) |
Shakhmundes,V.A. Lower Cretaceous microphytoplankton of the northern Pre-Caspian and their significance for stratigraphy and paleogeogaphy. (In: Microfossils USSR. T.F.Vozzhennikova et al, editors) |
1974 |
| details |
Late Valanginian |
|
USSR(Kazakh SSR) |
Shakhmundes,V.A. Lower Cretaceous microphytoplankton of the northern Pre-Caspian and their significance for stratigraphy and paleogeogaphy. (In: Microfossils USSR. T.F.Vozzhennikova et al, editors) |
1974 |
| details |
Middle Albian |
|
USSR(Kazakh SSR) |
Shakhmundes,V.A. Lower Cretaceous microphytoplankton of the northern Pre-Caspian and their significance for stratigraphy and paleogeogaphy. (In: Microfossils USSR. T.F.Vozzhennikova et al, editors) |
1974 |
| details |
Volgian |
Valanginian |
USSR(Irkutskaya Oblast) |
Fedorova,V.A. et al. Palynostratigraphy of the boundary deposits of the Jurassic and Cretaceous at Oka River. (In: Pogranichnye Varusy Yurskoi i Melovoi Sistem) |
1984 |