| original |
Early Visean |
|
USSR(Belorussian SSR) |
Kedo,G.I. Spores of the Lower Carboniferous of the Pripyat Trough, (Yasmopolyanskii Substage). (In: Paleontology and Stratigraphy of the BSSR) |
1966 |
| details |
Visean |
|
USSR(Belorussian SSR) |
Kedo,G.I. New and little-studied species of spores in Carboniferous deposits of Belorussia. (In: New and Little known species of fossil animals and plants of Belorussia. R.G.Garetskii, S.F.Zubovich, V.I. Pushkin, editor) |
1986 |
| details |
Early Carboniferous |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |