| 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 |
Late Frasnian |
|
Canada(Arctic) |
Barnes,C.R. et al. Appendix 3A: Palaeontology. (In: The Geology of Devon Island North 76', Canadian Arctic Archipelago (Western part of Cardigan Strait area, Prince Alfred Bay map area and parts of adjacent maps: NT: 59A, B.C. and 69A, D. U.Mayr et al, editors) |
1998 |
| details |
Late Frasnian |
|
Canada(Arctic) |
Barnes,C.R. et al. Appendix 3A: Palaeontology. (In: The Geology of Devon Island North 76', Canadian Arctic Archipelago (Western part of Cardigan Strait area, Prince Alfred Bay map area and parts of adjacent maps: NT: 59A, B.C. and 69A, D. U.Mayr et al, editors) |
1998 |
| details |
Middle Frasnian |
Late Frasnian |
USSR(Russian Platform) |
Avkhimovich,V.I. et al. Middle and Upper Devonian miospore zonation of eastern Europe. |
1993 |
| details |
Frasnian |
|
USSR(Stalingrad) |
Arkhangelskaya,A.D. A new genus and some species of spores from the Frasnian Stage of Volgograd Oblast. |
1987 |
| details |
Late Semilukian |
Voronezhian |
USSR(Moscow) |
Alekseev,A.S. et al. The Devonian and Carboniferous of the Moscow Syneclise (Russian Platform): Stratigraphy and sea-level changes |
1996 |