| details |
Nd |
|
Nd |
Braman,D.R. et al. The spore genus Archaeoperisaccus and its occurrence within the Upper Devonian Imperial Formation, District of MacKenzie, Canada. |
1985 |
| details |
Nd |
|
Nd |
Braman,D.R. et al. The spore genus Archaeoperisaccus and its occurrence within the Upper Devonian Imperial Formation, District of MacKenzie, Canada. |
1985 |
| details |
Frasnian |
|
USSR(Nenets Nat.Okrug) |
Raskatova,L.G. et al. Palynological correlation of Semilukian deposits from the Russian Plate and the Timan-Pechora Region. (In: Palynology in the USSR. A.F.Chlonova, editor) |
1988 |
| details |
Frasnian |
Frasnian |
USSR(Nenets Nat.Okrug) |
Raskatova,L.G. et al. Palynological correlation of Semilukian deposits from the Russian Plate and the Timan-Pechora Region. (In: Palynology in the USSR. A.F.Chlonova, editor) |
1988 |
| details |
Late Frasnian |
|
USSR(Ukrainian SSR) |
Raznitsyn,V.A. et al. Stratigraphy of the Devonian Dniepter-Donets Basin |
1993 |