| details |
Late Givetian |
Early Frasnian |
USSR(European) |
McGregor,D.C. Spores and the Middle-Upper Devonian boundary. |
1981 |
| details |
Givetian |
Frasnian |
USSR(Baltic) |
Kedo,G.I. et al. The Middle Devonian of the Pre-Baltic and north-east Belorussia. (In: Devon i Karbon Pribaltiki. V.S.Sorokin et al, editors) |
1981 |
| details |
Nd |
|
Nd |
Allen,K.C. Samarisporites triangulatus Allen,1965, an important Devonian miospore, and its synonymous species. |
1982 |
| details |
Early Frasnian |
|
USSR(Ukrainian SSR) |
Sergeeva,L.A. Zonal differentiation of the Upper Devonian deposits from the Dnieper-Donets Basin on the basis of microplytofossils. (In: New data on the stratigraphy and fauna of the Phanerozoic of the Ukraine) |
1982 |
| details |
Early Frasnian |
|
USSR(Nenets Nat.Okrug) |
Menner,V.V. et al. Middle Devonian and Lower Frasnian deposits of northern Timan |
1986 |
| details |
Frasnian |
|
Russia(Nenets Nat.Okrug) |
Raskatova,M.G. Devonian palynocomplex from the Timano-Pechorskoi Province. |
2001 |