| details |
Givetian |
|
USSR(Belorussian SSR) |
Kedo,G.I. Spores of the Middle Devonian of the Northeast of Belorussian Ssr |
1955 |
| details |
Early Carboniferous |
|
USSR(Krasnoyarsk Kray) |
Andreeva,E.M. Correlation of Upper Paleozoic coal-bearing deposits of Tungur, Minusinsk and Kuznets Basin on data of spore-pollen analysis. |
1960 |
| details |
Middle Devonian |
|
USSR(Kazakh SSR) |
Benyamovskii,V.N. On some forms of spores from the Middle Devonian of the Southwestern Branch of the Chingiz Ridge (Central Kazakhstan) |
1963 |
| details |
Middle Devonian |
Late Devonian |
USSR(Kazakh SSR) |
Zhuravlev,B.Y. et al. Some species of spores from the Middle Devonian Cos in the Southwestern Spurs of the Chingiz Ridge. |
1964 |
| details |
Early Eifelian |
|
Canada(Arctic) |
Uyeno,T.T. Biostratigraphy and conodont faunas of Upper Ordovician through Middle Devonian Rocks, eastern Arctic Archipelago |
1990 |