| details |
Llanvirnian |
Llandeilian |
USSR(Orenburg) |
Chibrikova,E.V. The Ordovician of the southeast Russian Platform. (In: Stratigrafiya i Paleontologiya Dokembriya i Paleozoya Yuzhnogo Urala i Pri-Ural'ya. N.D.Trapeznikova, editor) |
1972 |
| details |
Silurian |
|
USSR(Urals) |
Chibrikova,E.V. Plant microfossils of the Southern Urals and Preurals (From Silurian and Devonian deposits). |
1972 |
| original |
Silurian |
Middle Devonian |
USSR(Urals) |
Chibrikova,E.V. Plant microfossils of the Southern Urals and Preurals (From Silurian and Devonian deposits). |
1972 |
| details |
Silurian |
Middle Devonian |
USSR(Urals) |
Chibrikova,E.V. Plant microfossils of the Southern Urals and Preurals (From Silurian and Devonian deposits). |
1972 |
| details |
Llandeilian |
Llanvirnian |
USSR(Orenburg) |
Chibrikova,E.V. The Ordovician of the southeast Russian Platform. (In: Stratigrafiya i Paleontologiya Dokembriya i Paleozoya Yuzhnogo Urala i Pri-Ural'ya. N.D.Trapeznikova, editor) |
1972 |
| original |
Middle Devonian |
Silurian |
USSR(Urals) |
Chibrikova,E.V. Plant microfossils of the Southern Urals and Preurals (From Silurian and Devonian deposits). |
1972 |
| details |
Ordovician |
|
USSR(Pre-Urals) |
Chibrikova,E.V. Stratigraphy of Devonian and older Paleozoic deposits of the Southern Urals and the Pre-Urals (According to plant Microfssils). |
1977 |
| details |
Late Ordovician |
Early Gothlandian |
USSR(Pre-Urals) |
Chibrikova,E.V. Stratigraphy of Devonian and older Paleozoic deposits of the Southern Urals and the Pre-Urals (According to plant Microfssils). |
1977 |
| details |
Early Devonian |
|
USSR(Urals) |
Chibrikova,E.V. Stratigraphy of Devonian and older Paleozoic deposits of the Southern Urals and the Pre-Urals (According to plant Microfssils). |
1977 |
| details |
Silurian |
|
USSR(Bashkir ASSR) |
Chibrikova,E.V. Stratigraphy of Devonian and older Paleozoic deposits of the Southern Urals and the Pre-Urals (According to plant Microfssils). |
1977 |
| details |
Silurian |
Early Devonian |
USSR(Bashkir ASSR) |
Chibrikova,E.V. Stratigraphy of Devonian and older Paleozoic deposits of the Southern Urals and the Pre-Urals (According to plant Microfssils). |
1977 |
| details |
Ordovician |
Ordovician |
USSR(Pre-Urals) |
Chibrikova,E.V. Stratigraphy of Devonian and older Paleozoic deposits of the Southern Urals and the Pre-Urals (According to plant Microfssils). |
1977 |
| details |
Early Silurian |
Late Ordovician |
USSR(Pre-Urals) |
Chibrikova,E.V. Stratigraphy of Devonian and older Paleozoic deposits of the Southern Urals and the Pre-Urals (According to plant Microfssils). |
1977 |
| details |
Early Devonian |
Early Devonian |
USSR(Urals) |
Chibrikova,E.V. Stratigraphy of Devonian and older Paleozoic deposits of the Southern Urals and the Pre-Urals (According to plant Microfssils). |
1977 |
| details |
Gedinnian |
|
USSR(Ukrainian SSR) |
Burova,M.I. Lower Devonian microphytofossil assemblages of the Lvov Paleozoic Depression. |
1978 |
| details |
Gedinnian |
Gedinnian |
USSR(Ukrainian SSR) |
Burova,M.I. Lower Devonian microphytofossil assemblages of the Lvov Paleozoic Depression. |
1978 |
| details |
Early Eifelian |
|
USSR(Urals) |
Batanova,G.P. et al. Paleontological basis and correlation of the Eifelian Stage of the Volgograd-Volgo Region. (In: The Present-Day Importance of Paleontology to Stratigraphy.) |
1982 |