| details |
Early Carboniferous |
|
USSR(Russian Plain) |
Byvsheva,T.V. Spore assemblages from the Upper Devonian and Lower Carboniferous of the eastern Russian Plain. |
1976 |
| 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 |
| details |
Late Famennian |
|
Belgium |
Bless,M.J.M. et al. Excursion D.- Guidebook. (J.Bouckaert and M.Streel, editors) |
1974 |
| details |
Devonian |
|
USSR(Ukrainian SSR) |
Avkhimovich,V.I. et al. Palynological basis for the age of the Ozeryanskoi Coal Suite of the Belokorovich Skoi Graben-Syncline |
1987 |