| original |
Visean |
|
USSR(Kazakh SSR) |
Lyuber,A.A. et al. Classification and stratigraphic value of spores of some Carboniferous Coal deposits in the USSR. |
1938 |
| details |
Givetian |
Frasnian |
USSR(Kemerovskaya) |
Andreeva,E.M. et al. New data on the phytostratigraphy of Devonian Deposits in the Altay-Sayan Mountain Region. (In: Contributions to the Phytostratigraphy of Devonian Deposits in the Altay-Sayon Mountain Region, Collected Articles) |
1962 |
| details |
Early Devonian |
Early Givetian |
USSR(Tuvinskaya A.O.) |
Predtechenskii,N.N. Stratigraphy of Devonian deposits of Tuvy and Western Sayan. (In: Contributions to the geology of the Sayan-Altai Folded Region) |
1967 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Early Carboniferous |
|
USSR(Kazakh SSR) |
Lyuber,A.A. et al. Atlas of microspores and pollen of the Paleozoic of the USSR. |
1941 |