| details |
Givetian |
|
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 |
|
USSR(Komi ASSR) |
Yalysheva,A.A. Palynological bases for the Middle Devonian age of Sublaterite ore-bearing formations of Timan. (In: Spores and pollen of Phanerozoic deposits. L.A. Panova et al, editors) |
1984 |
| original |
Givetian |
|
China(Yunnan) |
Lu,L.-C. Middle Devonian microflora from Haickou Formation at Shijiapo in Zhanyi of Yunnan, China |
1988 |
| details |
Eifelian |
Givetian |
USSR(Kaliningrad) |
Yalysheva,A.A. Palynostratigraphy of Devonian deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |