| original |
Westphalian |
|
USSR(Ukrainian SSR) |
Lyuber,A.A. et al. Classification and stratigraphic value of spores of some Carboniferous Coal deposits in the USSR. |
1938 |
| details |
Permian |
|
USSR(Russian Platform) |
Lyuber,A.A. Spores and pollen from the Permian coal formations of the USSR. |
1938 |
| details |
Permian |
|
USSR |
Naumova,S.N. Spores and pollen of coals of the USSR. |
1939 |
| original |
Middle Carboniferous |
Late Carboniferous |
USSR(Ukrainian SSR) |
Lyuber,A.A. et al. Atlas of microspores and pollen of the Paleozoic of the USSR. |
1941 |
| details |
Late Carboniferous |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. Some preliminary results from spore analysis and study of the stratigraphy and paleogeography of the Carboniferous deposits of the USSR. |
1950 |
| details |
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 |
Westphalian |
|
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 |
Middle Carboniferous |
Late Carboniferous |
USSR(Ukrainian SSR) |
Potonie,R. et al. The spore dispersae of the Rhur Carboniferous, their morphography and stratigraphy with reviews of species of other areas.Part 2 |
1956 |
| details |
Early Permian |
|
USSR |
Pokrovskaya,I.M. Pollen analysis |
1958 |
| details |
Late Carboniferous |
|
Bulgaria |
Chernyavska,S. Palynological study of Coal from the Zalenigrad Mine, Belograd Region. |
1960 |