| details |
Middle Givetian |
Late Givetian |
USSR(Udmurt ASSR) |
Fomina,L.S. Regularities in the distribution of spores in the Beds of the terrigenous Devonian of north-eastern Tataria and Southern Udmurtia |
1967 |
| details |
Late Tournaisian |
Middle Visean |
USSR(Ulyanov) |
Loginova,A.M. Stratigraphy of the terrigenous Part of the Lower Carboniferous of the Ulyanovskogo Povolzhya (Okhotnichya and Varvarovsk areas) |
1960 |
| original |
Givetian |
|
USSR(Belorussian SSR) |
Kedo,G.I. Spores of the Middle Devonian of the Northeast of Belorussian Ssr |
1955 |
| details |
Eifelian |
|
USSR(Kazakh SSR) |
Kozlov,M.S. et al. Stratigraphic separation of Devonian deposits of the Berezovsk-Belousovsk Mining area |
1986 |
| details |
Early Frasnian |
|
USSR(Bashkir ASSR) |
Pykhova,N.G. The use of the method of spore analysis for the correlation of the Pashiya deposits in the Upper Zaitov Field. (In: Oil Field geology and Reservoir Capacity) |
1963 |