| original |
Early Carboniferous |
|
USSR(Russian Platform) |
Lyuber,A.A. et al. Atlas of microspores and pollen of the Paleozoic of the USSR. |
1941 |
| details |
Early Visean |
|
USSR(Ulyanov) |
Byvsheva,T.V. Some spore types in type sections of terrigenous layers of the Lower Carboniferous of the Volga-Urals Area). (In: Spore-pollen Complexes and Stratigraphy of the Upper Proterozoic, Paleozoic and Mesozoic of the Volga-Uragarea and Central Asia. A.B.Filimonova and A.D.Archangelskaya, editors) |
1963 |
| details |
Early Carboniferous |
|
USSR(Russian Platform) |
Byvsheva,T.V. Some spore types in type sections of terrigenous layers of the Lower Carboniferous of the Volga-Urals Area). (In: Spore-pollen Complexes and Stratigraphy of the Upper Proterozoic, Paleozoic and Mesozoic of the Volga-Uragarea and Central Asia. A.B.Filimonova and A.D.Archangelskaya, editors) |
1963 |