| details |
Frasnian |
|
USSR(Nenets Nat.Okrug) |
Sennova,V.F. Assemblages of spores and other microfossils from deposits in the Timan-Pechora Province. |
1974 |
| details |
Early Carboniferous |
|
Spitsbergen |
Playford,G. Lower Carboniferous microfloras of Spitsbergen (Part Two) |
1963 |
| details |
Early Carboniferous |
|
USSR(European) |
Byvsheva,T.V. et al. Spores of the genus Denosporites (Berry) Butterworth et al., and related genera in the Lower Carboniferous of the Russian Plate. (In: Palinologicheskie issledovaniya Proterozoya i Fanerozoya neftegazonoshykh. T.V. Byvsheva, editor.) |
1980 |
| details |
Nd |
|
Nd |
Byvsheva,T.V. Palynological character and stratigraphical arrangement of the Bobrikov horizon as found in the Lower Carboniferous Period of the Volga-Urals Region. |
1967 |