| 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(Voronezh) |
Bykov,I.N. et al. On the age of Basalts in the South-East Voronezh Anticline |
1972 |
| details |
Frasnian |
|
USSR(Komi ASSR) |
Medianik,S.I. Spores of the genera Archaeoperisaccus, Naumova and Archaeomonoletes, gen.nov., and their stratigraphic significance within the Timan-Pechora Province |
1980 |
| 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 |