| details |
Early Carboniferous |
|
USSR |
Pokrovskaya,I.M. Pollen analysis |
1958 |
| details |
Middle Carboniferous |
Late Carboniferous |
USSR |
Pokrovskaya,I.M. Pollen analysis |
1958 |
| details |
Early Carboniferous |
|
Spitsbergen |
Naumova,S.N. Spores and pollen of coals of the USSR. |
1939 |
| details |
Permian |
|
Romania |
Givulescu,R. The fossil flora of Roumania; Second Supplement, first Part. |
1973 |
| details |
Nd |
|
Nd |
Andreeva,E.M. Most important Middle Devonian spores of the Kuznetsk Basin. |
1962 |
| details |
Late Permian |
|
Mongolian Republic |
Bobrov,V.A. et al. On Upper Permian coal-bearing formations of Southern Mongolia. |
1957 |
| details |
Late Permian |
|
Mongolian Republic |
Bobrov,V.A. et al. On Upper Permian coal-bearing formations of Southern Mongolia. |
1957 |
| details |
Late Permian |
|
Mongolian Republic |
Amantov,V.A. et al. On the continental Permo-Triassic deposits of Central Mongolia (Khangai Highlands). |
1959 |
| details |
Late Carboniferous |
|
Bulgaria |
Chernyavska,S. Palynological study of Coal from the Zalenigrad Mine, Belograd Region. |
1960 |
| details |
Westphalian |
Stephanian |
Argentina(Salta) |
Medvedeva,A.M. Stratigraphic subdivision of lower horizons of the Tunguska Series by spore-pollen analysis. |
1960 |