| details |
Early Famennian |
|
USSR(E.Kazakh Oblast) |
Ponomarev,E.S. New data on the age of Ore-Bearing Strata of the Nikolayev deposit, Rudny Altai. |
1988 |
| details |
Early Famennian |
Middle Famennian |
Canada(NWT,Franklin) |
Kerr,J.W. et al. An unconformity between Middle and Upper Devonian rocks of Bathurst Island, with comments on Upper Devonian faunas and Microforas of the Parry Islands. |
1965 |
| details |
Early Devonian |
|
USSR(Kamchatka Oblast) |
Sivertseva,I.A. et al. Finds of Paleozoic spores in metamorphosed Kamchatkan Beds |
1974 |
| details |
Coblenzian |
|
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 |