| details |
Westphalian A |
Westphalian B |
USSR(Rostov) |
Egorov,A.I. et al. Spores and pollen of Middle Carboniferous deposits of the Don Basin. |
1971 |
| original |
Namurian |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. Spores. (In: Fauna and flora of Coal deposits of Galicia-Volyn Depression) |
1956 |
| original |
Middle Carboniferous |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. Atlas of microspores and pollen of the Middle Carboniferous Period in the western part of the Donets Basin. |
1952 |
| details |
Late Namurian A |
Westphalian A |
Poland |
DybovЎ-Jachowiczowa,S. The occurrence of sporomorphae saccatae (Saccites Erdtman) in the Dinantian and Lower Namurian deposits in Poland. |
1966 |