| original |
Eifelian |
|
USSR(Russian Platform) |
Arkhangelskaya,A.D. Periplecotriletes tortus at the base of the Eifelian of the Central Russian Plain of the USSR |
1976 |
| details |
Late Givetian |
Early Frasnian |
USSR(European) |
McGregor,D.C. Spores and the Middle-Upper Devonian boundary. |
1981 |
| details |
Eifelian |
|
USSR(Lithuanian SSR) |
Vaitekunene,G.K. On Devonian Spore Complexes of the Kyarnavskoi Suite of Southern Prebaltic. (In: Palynologic researches in geologic studies of the Baltic Region and the Baltic Sea) |
1983 |
| details |
Early Permian |
|
USSR(Krasnoyarsk Kray) |
Lipatova,V.A. The significance of redeposited miospores for detailed separation of Upper Paleozoic deposits of the Siberian Platform. (In: Spores and pollen of Phanerozoic deposits. L.A. Panova et al, editors) |
1984 |