| details |
Late Visean |
|
Poland |
Jachowicz,A. Preliminary microfloral characteristics of the Lechowek and Zareby Beds. |
1962 |
| details |
Late Devonian |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. Spore and pollen analysis of the Lower Carboniferous deposits of the Dnieper-Donets Basin. |
1958 |
| original |
Visean |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. Spores. (In: Fauna and flora of Coal deposits of Galicia-Volyn Depression) |
1956 |
| details |
Givetian |
|
USSR(Ukrainian SSR) |
Novik,E.O. Stratigraphy of the Devonian deposits of the Dnieper-Donetz Basin |
1954 |