| details |
Visean |
Namurian |
USSR(European) |
Lyuber,A.A. et al. The basic stages in the development of the Carboniferous flora of the USSR (according to spores and pollen) and their importance for the Elucidation of stratigraphical boundaries. (In: Carboniferous Stratigraphy Problems. S.V. Semichatova, editor) |
1970 |
| original |
|
|
USSR(Russian Platform) |
Byvsheva,T.V. Spores of the Tournaisian and Visean deposits around the Russian Platform. (In: Atlas of Spores and Pollen of Oil and Gas Bearing Deposits of the Russian and Turonskoi Platform. V.V.Menner and T.V.Byvsheva, editors) |
1985 |
| details |
Nd |
|
Nd |
Pashkevich,N.G. Morphological classification of dispersed fossil spores. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |
| details |
Visean |
|
Bulgaria |
Dimitrova,T.H. Carboniferous miospores from R-1 Novacene Well section (Central North Bulgaria) |
1993 |