| details |
Middle Devonian |
Late Devonian |
USSR(Bashkir ASSR) |
Chibrikova,E.V. Spores from Devonian and older deposits of Bashkir |
1959 |
| details |
Middle Devonian |
Late Devonian |
USSR(Russian Platform) |
Chibrikova,E.V. Spores from Devonian and older deposits of Bashkir |
1959 |
| details |
Early Devonian |
Middle Devonian |
China(Kansu) |
Ye,X. On the occurrence of spore assemblages from the Shujiaba Region of Tianshui County, Gansu and their stratigraphical significance |
1986 |
| details |
Early Devonian |
Middle Devonian |
USSR(Kemerovskaya) |
Nadler,Y.S. Phytoplankton and spores from Devonian deposits of Salair. |
1973 |
| details |
Late Emsian |
Middle Eifelian |
USSR(Altai Kray) |
Koksharov,V.A. et al. Biostratigraphy and correlation of sections of Devonian deposits from the Leninoyorsk Graben in Rudnyi Altai |
1981 |
| details |
Gedinnian |
Siegenian |
USSR(Komi ASSR) |
Chibrikova,E.V. Plant microfossils from the Lower Devonian of the Western Slope of the Urals and Uralia |
1970 |
| details |
Gedinnian |
Siegenian |
USSR(Ukrainian SSR) |
Lomayeva,E.T. The Early Devonian microfossil assemblages from a core of the Kamensko-Bugskaya Well No.4 |
1976 |
| details |
Eifelian |
Tournaisian |
USSR(Yakut ASSR) |
Peterson,L.N. Characteristics of spore assemblages from Devonian deposits in South-Central Siberia. |
1975 |