| details |
Late Proterozoic |
|
USSR(Yakut ASSR) |
Pykhova,N.G. Acritarchs of the southeastern Siberian Platform. (In:Tommotsk age and problems of the Lower Cambrian) |
1969 |
| details |
Late Proterozoic |
|
USSR(Yakut ASSR) |
Pykhova,N.G. Acritarchs of the southeastern Siberian Platform. (In:Tommotsk age and problems of the Lower Cambrian) |
1969 |
| details |
Late Proterozoic |
|
USSR(Yakut ASSR) |
Pykhova,N.G. Acritarchs of the southeastern Siberian Platform. (In:Tommotsk age and problems of the Lower Cambrian) |
1969 |
| details |
Late Proterozoic |
|
USSR(Yakut ASSR) |
Pykhova,N.G. Acritarchs of the southeastern Siberian Platform. (In:Tommotsk age and problems of the Lower Cambrian) |
1969 |
| details |
Late Proterozoic |
|
USSR(Yakut ASSR) |
Pykhova,N.G. Acritarchs of the southeastern Siberian Platform. (In:Tommotsk age and problems of the Lower Cambrian) |
1969 |
| original |
Cambrian |
|
USSR(Irkutskaya Oblast) |
Pykhova,N.G. Acritarchs of the Upper Emotskogo horizon of the Irkutskaya Depression |
1973 |
| details |
Precambriam |
|
USSR(Russian Platform) |
Pykhova,N.G. Acritarchs of Precambrian sections of southern Urals, Siberia, Eastern European Platform and their stratigraphic significance. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Middle Ordovician |
|
USSR(Vologda) |
Timofeev,B.V. et al. Microfossils of the Precambrian, Cambrian and Ordovician. |
1976 |