| details |
Eifelian |
|
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 |
Eifelian |
Givetian |
Canada(Arctic) |
McGregor,D.C. et al. Middle Devonian miospores from the Cape de Bray, Weatherall, and Hecla Bay Formations of northeastern Melville Islad, Canadian Arctic. |
1982 |
| details |
Givetian |
|
USSR(Belorussian SSR) |
McGregor,D.C. et al. Middle Devonian miospores from the Cape de Bray, Weatherall, and Hecla Bay Formations of northeastern Melville Islad, Canadian Arctic. |
1982 |
| details |
Eifelian |
Givetian |
USSR(Kaliningrad) |
Yalysheva,A.A. Palynostratigraphy of Devonian deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |