| details |
Eifelian |
Early Frasnian |
USSR(Komi ASSR) |
Motovilov,P.I. Paleopalynological description of the Devonian deposits of the Ukhta District. (In: Geology of the South-Eastern European part of the USSR) |
1971 |
| details |
Eifelian |
|
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 |
| original |
Devonian |
|
USSR(Bashkir ASSR) |
Chibrikova,E.V. Spores from Devonian and older deposits of Bashkir |
1959 |
| original |
Devonian |
|
USSR(Russian Platform) |
Chibrikova,E.V. Spores from Devonian and older deposits of Bashkir |
1959 |
| details |
Devonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Frasnian |
|
USSR(Yakut ASSR) |
Peterson,L.N. Characteristics of spore assemblages from Devonian deposits in South-Central Siberia. |
1975 |