| details |
Early Givetian |
Frasnian |
Canada(Arctic) |
McGregor,D.C. Palynological correlation of Middle and Upper Devonian rocks of Melville Island, Arctic Canada. |
1994 |
| details |
Early Frasnian |
|
USSR(Komi ASSR) |
Sennova,V.F. et al. Devonian stratigraphy of the Kanin Peninsula |
1986 |
| details |
Early Frasnian |
|
China(Szechwan) |
Gao,L. Archaeoperisaccus in China; its stratigraphic and palaeogeographic significance |
1988 |
| details |
Early Frasnian |
|
USSR(Komi ASSR) |
Kossovoy,L.S. et al. Upper Devonian spore-pollen complexes of the eastern Slope of North Timan and their biostratigraphic significace. |
1963 |
| details |
Early Famennian |
|
Canada(NWT) |
McGregor,D.C. Devonian miospores of N.America. |
1979 |
| details |
Caradocian |
|
Algeria |
Deunff,J. et al. Palynoplanktonic correlation in the Cambro-Ordovician of the Sahara |
1961 |