| details |
Middle Devonian |
|
USSR(European) |
Iilimonova,A.B. Stratigraphic importance of spores from Middle Devonian Staro-Oskol and Mullinsk Clastic strata in the Volga-Ural Province. |
1962 |
| details |
Middle Givetian |
Late Givetian |
USSR(Altai Kray) |
Koksharov,V.A. et al. Biostratigraphy and correlation of sections of Devonian deposits from the Leninoyorsk Graben in Rudnyi Altai |
1981 |
| details |
Devonian |
|
USSR |
Tchepikov,K. et al. Spore-pollen analysis of oil and Gas. |
1973 |
| details |
Devonian |
|
USSR |
Chepikov,K.R. et al. Spores and pollen in oils and Gases as migration Indices. |
1971 |
| details |
Givetian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |